Camera

While it’s pretty much a universally terrible idea to use a tablet as your primary camera, for something like video chat or in an emergency it’s better to have one than not. In the case of the iPad Pro, the camera is essentially identical to what we saw with the iPad Air 2, which is to say an 8MP 1.1 micron 1/4” sensor, with an F/2.4 aperture and 3.3mm focal length, which translates to a 35mm equivalent focal length of 31mm. There’s no PDAF or anything fancy going on here, so it’s pretty much a guarantee that the camera is the exact same module that we saw with the iPad Air 2. The front facing camera is still a 1.3MP F/2.2 2.65mm focal length module, which leads me to believe that it too is shared with the iPad Air 2. I honestly don’t see any difference between the iPad Air 2 and iPad Pro cameras, so rather than spending time dwelling on those this comparison will be focused upon how it compares to popular smartphones and the tablet competition. As I don’t have a tripod mount that can actually fit the iPad Pro, I’ve elected to forgo some of our standard latency tests to avoid presenting data with confounding variables.

Daytime Photography Scene 1

In our first daytime scene the iPad Pro is actually not that far off from the iPhone 6s. If you look closely it’s obvious that there is less detail to be seen, but it’s honestly quite difficult to see the difference. Relative to the iPhone 6, detail is almost identical. For a camera that should basically be never used for the kinds of photos I’m taking for this review, the camera will work well in a pinch. By comparison the Pixel C is rather disappointing. Even in this ideal condition, detail is visibly worse when compared to the iPad Pro. I’m not sure whether this poor showing is caused by camera shake or AF issues but in general the AF system for the Pixel C had some pretty noticeable issues in general. There are also some obvious problems with color noise despite base ISO, which is shocking.

Daytime Photography Scene 2

In the interest of trying to collect more than one data point for presentation in the review, I tried another scene. Once again, the iPhone 6s shows a minor resolution lead and the iPad Pro is pretty close to the iPhone 6 here. By comparison while there isn’t any obvious weirdness going on the Pixel C clearly has less detail and a noticeable amount of color noise, which is surprising even for a tablet camera. Color noise is one of the most distracting things in any photo, so I’m always concerned when any mobile device has a camera where the JPEG output shows color noise.

Low Light Photography Scene 1

Low Light Photography Scene 2

Moving on to the low light testing, we clearly see the disadvantage that comes with smaller pixel sizes. The iPad Pro is just clearly worse than the iPhone 6 and 6s here. The 6s Plus is the clear winner of this test. While the iPad Pro has dark output, it’s miles better than the Pixel C and Nexus 9, both of which show enormous amounts of color noise. The Tegra X1 and K1 ISP for whatever reason is struggles with doing things like hot pixel compensation in low light, as in the dark areas of the photo there are obvious bright speckles of pixel noise.

Low Light Photography Scene 3

In another low light scene we see the same sort of ordering that was in the previous scene. The iPad Pro is acceptable here, but the iPhone 6, 6s, and 6s Plus are all clearly superior. However, the iPad Pro is clearly superior to the Pixel C and Nexus 9 on the basis of better detail and noise reduction. Unlike most smartphones I don’t really see a huge difference in how well everything freezes motion here, but I suspect this might just be because the entire image for the Pixel C and Nexus 9 is so lacking in detail.

Video

1080p30 Video

Looking at video performance, the iPad Pro noticeably lags behind the iPhone in feature set, which isn't entirely unsurprising given that the camera on any tablet should be strictly reserved as a fallback for when you can’t get to a smartphone or literally anything else. 1080p30 is encoded with H.264 high profile at 17 Mbps, with around 82 Kbps single channel AAC audio. For the most part, quality here is actually comparable to the iPhone 6 and 6s in daytime, with a noticeably tighter crop due to the longer 35mm equivalent focal length. The iPhone 6s Plus is again the obvious winner here though, due to its use of OIS in video. By comparison, the Pixel C shows clearly less detail, and the higher contrast leads to worse detail in areas like the road and in shadows.

Slow-Motion Video

In 720p120, the iPad Pro is clearly worse than the iPhone 6s and 6s Plus just by virtue of not supporting 1080p here. That's not exactly surprising, but as a result the quality looks to be roughly comparable to the iPhone 6. Given that both are using H.264 high profile at 30 Mbps it’s not exactly a surprise though. The Pixel C and Nexus 9 are both unable to participate in this test at all as they don’t support slow motion video, which might be an ISP limitation of some sort as we’ve seen Nexus devices on the smartphone side with support for slow motion video.

Overall, camera performance on the iPad Pro is probably as good as it gets for tablets, but it's obviously not competitive with the best smartphones. No one should really be surprised that this is the case though, as tablets are basically cameras of last resort, while smartphones are often primary cameras now.

Misc.

On the WiFi side unfortunately I have reason to doubt the validity of our current testing methodology, especially on iOS. As a result for this review we won’t be running any particular benchmarks for the iPad Pro but I never saw any particular issues with WiFi performance on the iPad Pro, which uses Broadcom’s BCM4355 WiFi/BT combo chipsets.

I also don’t have any particular equipment to really test speaker quality to its full extent, but subjectively the speakers are some of the best I’ve ever experienced on a mobile device in terms of sheer volume and frequency response. The speaker amps are shared with the iPad Air 2, which is Maxim Integrated’s MAX98721 IC. The audio codec/DAC is Cirrus Logic’s CS42L81, which isn’t entirely unsurprising given how most every Apple mobile device seems to use a Cirrus Logic codec of some sort.

I also found a number of interesting design wins, which include TI’s BQ27540 for the battery fuel gauge, and an MCU related to the Orion dock that seems to handle accessories like the Smart Keyboard. This MCU is connected over i2c, with some suggestion that this connector can act as a USB port, but I haven’t been able to figure out much else about this system.

Software UX Final Words
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  • jasonelmore - Friday, January 22, 2016 - link

    This, there is no filesystem. The hardware can be as fast as it wants, but it's severely limited by it's input options, and it's locked down nature. A ipad, or a phone for that matter, will never be able to replicate a x86 device. aarch64 is crude in comparison to x86 as detailed in the 2nd page of this article.

    Sure they can re-write a lot of it, and make a bunch of compramises to make it work, but they wont' waste the time, because:

    1: nobody wants to pay more than $10 for apps on the platform because it's seen as a toy and disposable within 4 years

    2: Lacks a true filesystem for moving files from physical media, to the devices

    3: Lacks precise input methods for quick and ultra precise manipulation of the software (unlike mouse or trackball on pc). Like Slicing a video file, or selecting text and making it Bold, italic, underlined

    4: platform lacks pro level payment and upgrade options for developers
  • Sc0rp - Friday, January 22, 2016 - link

    There's a file system, you just don't have access to it.

    1) Pretty much any computer is disposable in 4 years because the shelf life for hardware before it goes obsolete is about 3 years. Protip: If you 'upgrade' your processor, video card and/or motherboard (!) you just assembled a new computer. It doesn't matter that it is in the same case that your old computer used. Also users are willing to pay more than $10 for software. But, to be honest a lot of legacy developers from the desktop realm have been giving their users the shaft on software prices for years and years and consumers are more apt to pay $6 for an app that actually does that they need rather than $700 for one that does way more than they ever will need.

    2) There is a file system. You can plainly see it and interact with it when you use software like iExplorer. Personally, I have no problems with handling files on iOS9 and moving them about.

    3) Apple Pencil. Have you heard of it?

    4) Actually those options already exist on the platform. I don't know why you think they don't when they so clearly do and have been demonstrated by iOS game developers for years now. You mean to tell me that I can pay $6-20 for a ship or $100 for a bushel of smurfberries but somehow there's no way to add in upgrade options? Dude, just make it optional DLC.
  • jasonelmore - Saturday, January 23, 2016 - link

    keep drinking the kool-aid man.

    1: apple has succeeded in convincing you that computers are disposable within 4 years. Thousands of schools around the world are using Pentium 4's and Nehalm Pc's. These pc's can run the latest photoshop CC, Office Suite, or any other software that has been made recently.
    I know a ton of people using i7 920's and are playing the latest games no problem. With apple, the applications just wont load at all, because they require a certain OS. WIndows 10 Supports very old hardware, and very slow hardware. Same with any flavor of linux. OSX and iOS do not.

    2: the file system is not accessible within the device. So your argument is basically this. Use a 2nd machine, install a third party application, and access the files. Really? Pro's don't need a hidden or in-accessible file system, they need file permissions, and only a jailbreak can give that to them.

    3: The pencil is a drawing device first and foremost. It is not designed, nor meant to be, a primary way of interacting with the device's OS and applications. Moreover, only one device in apple's entire product history, supports this peripheral. Good luck slicing video with precision. A mouse can hover over a precise point, and offer two context actions via left or the right mouse button. A pencil can hover over a precise point, and do nothing. any actions require tap and hold, and buttons aren't used anywhere except for drawing apps.

    4: Developers want to be able to charge yearly fee's for updates, instead of release a whole new app. Like Tweetbot 1, 2, 3,, 4. In-app purchases are not meant for upgrades. They are meant to be used as a glorified "demo" system. You demo the app, and then buy it if you like it. There are a number of articles and reddit posts about developers leaving ios and going with their own distribution platform due to apples store policies. Big developers too, not little ones.
  • Constructor - Saturday, January 23, 2016 - link

    You clearly don't know what you're talking about.

    1. The iPad 3 which I have just replaced with an iPad Pro has just started its new life for a new user after 4 years of perfectly up-to-date and fully supported use by me. It is still fully supported and almost everything that's available for iOS still runs on it, most of it very well – and that on a device which has about 1/10th of the iPod Pro's performance!

    The main reason why you can still use old Windows PCs (or old Intel Macs, for that matter, like I'm doing right now!) without too many disadvantages against new ones is that Intel has entered a prolonged stagnation phase since they've bumped into the end of Moore's Law with their ridiculously outdated x86 architecture. There simply is hardly any movement forwards any more on the Intel front.

    Meanwhile Apple is cranking up the performance of their own processors at a speed we haven't seen for a decade on the desktop (it's actually a major achievement that the older iOS devices run as well as they do compared to the multiple times more powerful new ones!).

    2. Where I want filesystem access under iOS, I have it. I use Good Reader as my general-purpose local file manager for all kinds of files (including local or remote up- and downloads) and I can use iCloud, Dropbox and others for online shared filesystems. Your imagined problem is pretty much just an imaginary one.

    3. The Pencil is a precise pointing device. Which can be user everywhere. It's just not needed most of the time, in part because the touch interface can be used very precisely without it already.

    4. Payment is actually a lot easier and simpler than on any desktop platform, and in-app-payment is explicitly not permitted for "demo unlocking". Where it's done well it can unlock additional features, which can be used for featured upgrades as well.

    Your whole post betrays above all a profound ignorance about iOS and looks a lot like a panicked attempt to somehow justify why the exact habits you happen to have formed somehow were the only possible way to do anything for everybody.

    But as always, the world is not as simple or as limited as that.
  • jasonelmore - Saturday, January 23, 2016 - link

    1: what about the iphone 4, or ipad 2? Stuck on iOS 7 and can't be updated any further

    2: Physical media? USB drive? Even android can take a thumb drive. This allows android to be more of a traditional computer. You can store ISO's on your phone, EXE's, etc, and use your phone as a mini-laptop for working with other machines. Your goodreader just lets you view the files, so your solution is to email it or dropbox it everytime you need it on a different device? that's what we call a "work-around".

    Sending everything over the cloud is not something everyone wants to do, or can do. What if your in a area with no service, or better yet, you don't subscribe to service, and you want to use the phone as a computing device on wifi.

    3: again, the pencil is not comparable to a mouse or trackpad. the ipad has no cursor, Your fingers are large compared to a mouse selecting a single pixel on a screen. Main actions, and contextual actions are done via tap, long press, etc.. selecting text on a touch screen should be a good enough example to understand what i'm getting at.

    4: did you know apple will not even let you update apps you already own, if your credit card expires, or does not have any money on it?

    the fact that you are trying to argue this point, only shows that you have not been following public out cry on this subject. No Paid upgrades, No demo's (very important for expensive pro like apps), no way for developers to respond to bad reviews, at any given time apple can replicate your app, and since apple apps are not sandboxed, they have a inherit advantage. everyone else must be sandboxed, and pay a 30% royalty.

    Regarding payment on PC, pretty much everything pro level has gone to a subscription model. If by easy, you mean having a credit card on file for all purchases, then ok, it's easy. But it's also locked down, and like i said, you cant update the app if your card suddenly runs out of money or you go over the credit limit. it will force you to enter a new credit card, just to update a app you already paid for.

    look man, if your ok with apple making all the choices for you, then by all means, keep on doing what your doing. but some people have different ideas and want to customize the device to their needs.

    i can tell your a fanboy because you started insulting me there at the end, and that only shows your having a hard time justifying what you say to be true. These are not my habits, they are established work-loads that people have been doing on their computers for decades.

    you really do need a filesystem to be called a comptuer. and you need a cloud service that is compatible with all platforms and file types. Your solutions to a lot of my arguments is used a bunch of third party programs. a file system is fundamental to computing. there should be a 1st party file explorer (even a restricted one with the option to run root). To deny that access is basically saying "we are apple and we know better, you don't need that option"
  • Constructor - Saturday, January 23, 2016 - link

    1: what about the iphone 4, or ipad 2? Stuck on iOS 7 and can't be updated any further

    Wrong again, both directly and contextually.

    First, The iPad 2 is still supported by iOS 9.2.1 which is the current version. Only the iPhone 4 has iOS 7 as its latest version.

    This is a pretty illuminating comparison of iOS device performance historically:
    http://browser.primatelabs.com/ios-benchmarks
    (Select Multi-Core results)

    iOS 9 now covers a performance range from the iPad Pro down to the iPhone 4S which is 13 times slower.

    The iPhone 4 is even 26 times slower, and it only has a single CPU core, contrary to all devices which are still currently supported to this day (including the iPad 2).

    And I'm pretty sure you'd be right in front raking Apple over the coals for iOS 9 running less than smoothly on that single-core iPhone 4.

    It's actually quite remarkable how well iOS still runs on those over four years old devices after the breakneck performance development of the past years in the iOS space.

    2: Physical media? USB drive?

    And then where is that floppy drive "everybody knows" is absolutely required..? ;-)

    Even android can take a thumb drive. This allows android to be more of a traditional computer. You can store ISO's on your phone, EXE's, etc, and use your phone as a mini-laptop for working with other machines. Your goodreader just lets you view the files, so your solution is to email it or dropbox it everytime you need it on a different device? that's what we call a "work-around".

    ...and wrong again!

    Good Reader can do many things, among them using DropBox. But I can also simply tap a button and Good Reader appears in my local WiFi network (including in the one my iPhone has just provided) as a bog-standard WebDAV network drive which I can directly mount on my Mac, on a PC or on any other mobile device (including on a Good Reader instance running there if I want).

    GoodReader can also mount locally available shares and download from these (or upload to them).

    I can also throw files to another Apple device purely locally via AirDrop, or I can exchange files locally via Weafo (which appears as a web-server from which anybody else can download the file). And that's only scratching the surface (ahem) of what I could do with iOS since I have simply stopped exploring further for the time being because I haven't needed more than that personally.

    You know very little about what's actually possible under iOS.

    3: again, the pencil is not comparable to a mouse or trackpad. the ipad has no cursor, Your fingers are large compared to a mouse selecting a single pixel on a screen.

    ...and that is why there is the Pencil for those rare events where I actually need to address specific pixels. Finger-based UIs can actually be quite precise otherwise, so these needs are actually relatively rare.

    Main actions, and contextual actions are done via tap, long press, etc.. selecting text on a touch screen should be a good enough example to understand what i'm getting at.

    You can't have actually used iOS devices if you still believe that. Text selection – to take your example – works very well and very precisely by finger touch alone because it is designed for exactly that.

    4: did you know apple will not even let you update apps you already own, if your credit card expires, or does not have any money on it?

    I've never used a credit card for iTunes in all those years and never had a single problem.

    the fact that you are trying to argue this point, only shows that you have not been following public out cry on this subject. No Paid upgrades, No demo's (very important for expensive pro like apps), no way for developers to respond to bad reviews, at any given time apple can replicate your app, and since apple apps are not sandboxed, they have a inherit advantage. everyone else must be sandboxed,

    "Outcries" about Apple are the norm rather than the exception. And of course there are valid points to be made in multiple directions. But the measure of the App Store is where there is one that actually works better for a) the users and b) the developers.

    There isn't one.

    So Apple may not actually have made all the wrong compromises there, as inconvenient as some of them may be for some people. Perfection sounds nice, but actually achieving an actually workable solution is much harder than just clamouring for one.

    and pay a 30% royalty.

    Ouch. Again with the cluelessness!

    First up, these 30% are no "royalty" as pure profit for Apple as you appear to believe, they cover all the costs of distribution including minimum payment transaction charges which are quite substantial as a ratio at the very low item prices in the App Store (no, the percentages you've heard of don't apply there – the minimum charges are much higher than that!). They also cover all other fees and expenses, also including cross-subsidies for the large number of distribution of free apps.

    That all the other app stores have never been able to undercut Apple here should have given you a hint or two: It's pretty much run at cost, at Apple as much as anywhere else.

    look man, if your ok with apple making all the choices for you, then by all means, keep on doing what your doing. but some people have different ideas and want to customize the device to their needs.

    You don't even know what can or can't be done with iOS as it is, and yet you're all about sweeping generalizations.

    i can tell your a fanboy because you started insulting me there at the end, and that only shows your having a hard time justifying what you say to be true. These are not my habits, they are established work-loads that people have been doing on their computers for decades.

    I'm simply fed up with always the exactly same ignorant cow manure being shoveled all over the place by people who are full of prejudices but empty on actual knowledge of the topic, let alone actual, practical experience.

    you really do need a filesystem to be called a comptuer.

    Rubbish. I could just as arbitrarily claim that if you didn't have a HiDPI screen your machine was a mere toy and "completely unusable" for any serious uses just because that's what I fancied most.

    In real life with real use I need solutions which are appropriate to my actual needs. Stomping your foot and throwing tantrums when you can't replicate exactly the same workflow you happened to have earlier is silly and shortsighted.

    Successfully working with IT has always meant adapting what was actually available to what one actually needed and being creative at getting both together for as much pragmatic efficency as feasible.

    Crybabies whining about their bygone habits and preferences have always been left behind in the process when new opportunities appeared on the scene.

    and you need a cloud service that is compatible with all platforms and file types. Your solutions to a lot of my arguments is used a bunch of third party programs. a file system is fundamental to computing. there should be a 1st party file explorer (even a restricted one with the option to run root). To deny that access is basically saying "we are apple and we know better, you don't need that option"

    It is as if you haven't paid any attention for the past nine years.

    iOS is a safe, stable and still extensible mobile platform which can run third-party software. This was extremly hard to achieve, and Apple forced a lot of compromises regarding "hackability" because of it. I get how that rubs many people the wrong way (not least as a developer myself, even if not for iOS so far), but as someone who has developed and handled substantially complex, extensible systems (some from the ground up) I am very much aware of where crucial decisions have to be made for something like that, and between which alternatives these decisions have been in major cases.

    And the very real stability and safety (including privacy protection!) which actually results from Apple's decisions is hard to deny.

    I'm not at all denigrating your preference for completely different kinds of systems where many decisions have been made completely differently, but your problem here is that you don't seem to be aware what these criteria and these options even are when it's about the creation of a major platform.

    One can easily disagree with many of Apple's decisions and rules, and that aplies to myself as well in various cases, but actually being aware of why Apple is handling many things the way they do is actually relevant here, and in most cases it's actually knowable.

    You'd be much better off if you started at least questioning some of your evident prejudices and preconceived notions at the very least for some broader perspective – which is valuable even if your conclusions for your own system preferences end up in exactly the same place as they do now, just not out of sheer ignorance any more.
  • Morawka - Saturday, January 23, 2016 - link

    Good reader requires you to be on the same network as the machine you want to share files with. Some networks do not even have wifi ap's so your sol in that regard. The only workaround I've found is to pack around a nano wifi router that can run off a battery pack, and physically hook it into the network (if you even have access to the ports). ita really just a file viewer with a few nifty features, but it does not excuse the lack of a native solution. Micro usb otg thumb sticks are the shit. No worrying about sensitive files over the network.
  • MaxIT - Saturday, February 13, 2016 - link

    You are becoming ridiculous... Are you really complaining because a smartphone from 2010 isn't supported anymore in 2016 ? Lol at you ...
    Tell me about HTD Evo or Google Nexus One, both android flagships from 2010 .... They were death and buried by 2012 .....
  • FunBunny2 - Saturday, January 23, 2016 - link

    -- bumped into the end of Moore's Law with their ridiculously outdated x86 architecture.

    not true, strictly speaking. years ago Intel stopped executing the ISA in silicon, and went with an emulator which ran "micro-code" on a "micro-architecture". the real processor (ALU, etc.) in a X86 chip is some RISC machine; which gets changes each tock. whether this is really more efficient than using those billions and billions of transistors to do all of X86 in silicon is a question I've never seen answered.
  • Constructor - Saturday, January 23, 2016 - link

    Exactly: They have been forced to build a real-time hardware cross-assembler into their CPUs because that was the absolute last resort to get ahead at all any more. Absolute madness, and close to a miracle that they've pulled that off at all, even with the substantial penalties that entails.

    The ARM64 ISA, by comparison, is completely new, legacy-free and was designed from scratch for optimal execution efficiency. It's not even backward compatible to ARM32. The two are completely different, much more different than x86 and AMD64.

    ARM CPUs generally don't need any microcode – they can decode and execute the instruction stream directly, and complications are kept to a minimum (just consider, by comparison, what an Intel CPU needs to take care of internally when processing asynchronous high-priority interrupts, for instance!).

    Intel has always completely botched their basic ISA designs. Remember the original x86? What a horrendous, incompetently conceived turd! The painful iterations after that were hardly any better, and If AMD hadn't helped them out with AMD64 (which given what they had to start from was actually somewhat decent), if they hadn't put everything in chip design and manufacturing and if the Microsoft monopoly hadn't afforded them a perfect base for their own monopoly, they would have been toast a long time ago already.

    The declining Windows PC market, however, is not a good portent at all for Intel specifically, especially when looking at the continuous profit erosion of the dwindling number of PC manufacturers.

    The era of the ascent of the Windows PC is over. The rollercoaster car has just passed the top of its climb.

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