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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  • MaxIT - Saturday, February 13, 2016 - link

    There is one reason for that: most PCs are just cheap computers compared to Macs
  • ddriver - Sunday, January 24, 2016 - link

    "90% of the professional software development studios I work with are almost solely Mac based"

    That has got to do with the urban legend, begot during the time of apple's pathetic "mac is cool, pc is for dorks" ad campaigns. Ignorant people with no tech knowledge genuinely believe the macs are a good deal. And while the hardware is OK, it offers too little value for the cost, software is... meh... more professional grade products run on windows than on macos. There aren't any notable macos exclusives, there are some professional products which do not support macos.

    The ipad "pro" software wise doesn't offer anything on top of the regular ipad, the same cheap, crippled, rudimentary applications. It is a little bigger and has a pen with the world's lamest charging implementation, that's about it.

    There is no software for the ipad a professional musician or produced could use, the apps which exist for that platform and light years behind the professional software you can run on a windows tablet. None of the professional DAWs, editors, synthesizers, effects or samplers are available for the ipad. Usually the companies which make such professional products have offer very basic and very scaled down versions of their flagship products, far below the requirements of professionals, really only suited for amateur beginners.

    That pretty much sums the ipad "pro" - it is a product for "professional" amateurs :)

    iOS is a walled garden, apparently, because apple deems its "smart user base" too dumm to deserve freedom and flexibility. And professional apps need that much as professional users do. Even if there are professional apps, they sure as hell won't be available on the apple store, and would require to root your device and void its warranty so it can be used.

    "but everyone who thinks that the surface pro 4 is even remotely in the same category of device, is utterly smoking crack"

    DO'H, of course they are not, the surface pro is a real professional computer inside a tablet, the ipad is a hipster/child toy inside a tablet.
  • Constructor - Sunday, January 24, 2016 - link

    This is exactly the same type of argumentation that tried to "prove" that personal computers had to be "useless toys" – no, that graphical user interfaces were only for "useless toys" – no, that those silly laptop computers could only be "useless toys" – no, that touchscreen smartphones without hardware keyboards could only be "useless toys"...

    And now, after all these prior predictions have already crashed and burned, tablets are your last and only remaining hope that your oversimplified conclusions from your own preconceived notions might maybe not share the same fate.

    Good luck with that! B-)
  • darwiniandude - Monday, February 29, 2016 - link

    iOS and OS X are low latency end to end, with built in audio hardware. Windows is not. iPhone 5s, iPad Air1, iPad mini 2, onwards, can record from 32 simultaneous inputs onto separate tracks with ease till their disk is full. And it's 100% solid. There is much capable and professionally usable iOS music software. And robust plugin and Interapp audio communication logins.
  • jlabelle - Thursday, January 28, 2016 - link

    "the surface pro 4 (a mildly crappy laptop with a touchscreen that makes a bad, thick tablet and an underpowered, overheated laptop)"

    Strange way of seeing things when the surface Pro 4 is pretty much : 1/ the thinner laptop existing
    2/ the higher end version is like several order of magnitude more powerful than the MacBook and 3/ it has the same Intel processor as most over high end laptop and overheat the same way and it has an option of having a fanless / staying cold core M if this is your thing
  • darwiniandude - Monday, February 29, 2016 - link

    Music applications iOS is the only game in town. Windows doesn't have low latency except if you use external audio hardware. Many PC notebooks even then cannot achieve low latency due to design flaws. A client recently bought an AUD$3500 Alienware purely for running Tracktor. Spent 6 months trying everything including reverting to Win7. It just crackles and jumps. I worked in the music industry building audio PCs for 8 years and I had a look over the system and tried everything. No dice. I told him it won't work. He bought an AUD$2500 MacBook Pro, installed Tracktor, works faultlessly. Of course.

    The issue here is more the Alienware craptop where audio is no priority at all, than Windows. Windows has the horrible burden of trying to support every combination of everything. I know this. But for some professional allocations there is no way I'd ever run a Windows system anymore.

    Look at anyone performing live with music. It's all Mac / iOS. The sound engineer guys will use a PC laptop because of the old editor utilities for audio equipment needing RS232 etc, but the music you hear is coming off Apple gear.
  • leemond - Thursday, February 11, 2016 - link

    you took the words right out of my mouth! throughout reading this article i cannot fail to see the thinly veiled adoration for Apple held by the author and it is telling in the way he wields the pseudo negatives statements against the product. i was expecting an unbiased fair appraisal of this product but what i got was the Apple store salesman dressed up as an annnandtech reviewer. This product is simply two things the original iPad is not, 1) bigger and 2) has a pencil....not revolutionary and also not that impressive a feat....apple have lost the wow factor that won them so many new customers and they only have these fanboys left to applaud fanatically like a north Korean Army officer listening to KJU..
  • Constructor - Friday, February 12, 2016 - link

    Your own post positively reeks of a fanaticism which is simply absent in the article outside of what you're projecting into it from yourself.

    Major and remarkable features are:
    • A highly advanced CPU which has effectively closed the gap to Intel's Core i architecture at comparable TDP.
    • The Pencil which is at the very least among the best on the market.
    • A crazy-good speaker system for its size class which actually makes listening to music or watching movies enjoyable.

    Beyond that, yes, it is "just" a bigger, faster, better iPad, but as long as you're not looking for an awkward hybrid device, that's actually a plus.
  • jlabelle - Thursday, January 28, 2016 - link

    It is utterly non sense. W10 is not more or less "insecure loaded-with-spyware-at-the-factory desktop OS" as OS X.
    If you want to have the same "secure" experience as an iOS tablet, just install only applications from the Windows Store and it will be the same. If you want to use more powerful program or software that do not exist in the Store, you must like OS X take care of installing them from a reputable source. Nothing complicated.
    Also, this is also utterly ridicule to claim that there are no good Windows Store app. There was examples given on the previous pages. There are plenty and you know that. You have ven some which are still quite unique like Polarr or DrawboardPDF.
    I know Apple users have a hard time (and the reviewer as well) understanding that having an Apple tablet and an Apple laptop OS is even more a Frankenstein experience than having only ONE OS with ONE UI, able to run ALL type of applications and able to support ALL type of inputs so you can choose what is best for the task at end.
    People consider that EVERY tasks that you have to do with a tablet is best without keyboard or mouse or pen. This is simply not true. Typing a long text with the on-screen keyboard is an exercise in frustration.
    Also people consider that EVERY task on a laptop is best without touchscreen or pen. This is also wrong. Annoting a PDF, surfing the web, manipulation by hand an object of a webpage is much easier with touch or pen.
    Having to go back and forth between 2 different devices that have silos input method IS what is a Frankenstein experience in my view.
    And last point, the Surface has provided a "paper and pencil" experience since 3 years, much prior Apple and is still providing a top notch experience, with a pen autonomy of more than 1 year, interchangeable tip and great performance.
  • MaxIT - Saturday, February 13, 2016 - link

    Wrong because you said so ?
    Surface are just half baked solutions to a non existent problem. There are tasks where I require a tablet and tasks where I require a notebook. I don't want an half baked solution not good as a tablet nor good as a notebook....

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