Battery Life

Apple has always advertised the iPad as achieving all day battery life. I've generally found that to be true based on my usage, although on days where I use the larger iPad Pro with the Apple Pencil heavily I can find myself looking for a charger by the time the work day is over. With our 2016 mobile test suite we've rolled out a new WiFi web browsing test that is more taxing on devices than the previous one, along with moving from GFXBench's T-Rex HD battery test to Manhattan Metal. With the 9.7" iPad Pro having a similar battery capacity to the iPad Air 2 it can hopefully be expected that battery life remains the same, or possibly improves.

Web Browsing Battery Battery Life 2016 (WiFi)

In our 2016 WiFi web browsing test the 9.7" iPad Pro comes in at roughly the same runtime as the iPad Air 2. Apple has always advertised a ten hour battery life for iPads, and that generally held true in our old test which did static page loads. But in our new test the iPads simply can't last that long due to the heavier and more representative workload.

Unfortunately I no longer have the Tab S2 for comparisons to a non-Google Android tablet in this test, but when it comes to battery life the 9.7" iPad Pro lasts a bit longer than the Nexus 9 and significantly shorter than Google's Pixel C. The Pixel C is also significantly thicker and heavier, but its LTPS display also helps it to drive down platform power, and I wouldn't expect to see the iPads approach it any time soon with Apple's continued focus on driving down mass and thickness, and reliance on IGZO displays to achieve their switching refresh rate.

Video Playback Battery Life (720p, 4Mbps HP H.264)

The 9.7" iPad Pro does well in our video playback test. This test hasn't changed from the 2014 one, as my measurements found that the impact of moving to higher resolution and higher bitrate test files has a negligible impact on battery life due to the fact that the decoding for H.264 is all handled by dedicated hardware. You can see that the Pixel C still leads the pack, and the Tab S2 is close behind it even though it's incredibly thin and has a relatively small battery, and this is due to its AMOLED display using much less power in low APL videos than your typical IPS LCD on a tablet.

It's worth noting that we see a regression here from the iPad Air 2. The 9.7" iPad Pro actually has a slightly larger battery than the iPad Air 2, and I'm not sure where the difference here is coming from (possibly the display?), as our video playback test is conducted in airplane mode with no background tasks or location services, so there's not much room for software variance.

GFXBench Manhattan 3.1 / Metal Battery Life

GFXBench Manhattan 3.1 / Metal Final Frame Rate

In the GFXBench 3.1 Manhattan battery test the 9.7" iPad Pro performs incredibly well. Not only does it last slightly longer than the iPad Air 2, but the GPU performance throughout the test is more than double that of the A8X. With our old T-Rex HD test we saw Apple's devices essentially maintain the same frame rate for the entire test, as the GPUs were so fast that they were actually spending time idling. With Manhattan this isn't the case, and we see that the 9.7" iPad Pro does show signs of throttling. In general the performance is still very stable, and the throttling is not near as serious as what I've seen on competing Android tablets running the old T-Rex test with its lighter workload.

Charge Time

Smartphones have gone from taking several hours to charge a few years ago to only taking an hour or two today. Unfortunately we haven't see such improvements with tablets. While charge times have certainly gone down with Apple's 9.7" iPads, that's due to shrinking batteries rather than significantly faster charging. With the 12.9" iPad Pro Josh measured a charge time of over five hours, which is really unacceptable to say the least. With the 9.7" iPad Pro using a battery of similar size to the iPad Air 2, it can hopefully be expected that the charge time will be similar too.

Charge Time

Apple includes a 10W brick with the 9.7" iPad Pro. I actually haven't kept track of when they switch between 10W and 12W, but I can tell you that they need to start shipping these tablets with something closer to 20W or 30W. They happen to already sell something that fits the bill quite nicely, and customers would appreciate it. In the case of the 9.7" iPad Pro the charge time is much shorter than the five hours that the 12.9" model takes, but I think we really need to see improvements in how long it takes to charge these devices. When you use an iPad all the time for writing with Apple Pencil it will most certainly be nearly dead when you get home, and that means you can't use it for the rest of the night unless you keep tethered to a power outlet. Hopefully we see improvements made here with the next generation of iPads, along with the rest of the tablet market in general.

System Performance Display Analysis: Color Accuracy in DCI-P3 and sRGB
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  • name99 - Wednesday, June 1, 2016 - link

    "The 9.7" iPad Pro does well in 3DMark's graphics test, but like Ice Storm it doesn't do well in the physics test. It seems that this test is programmed in a similar way to Ice Storm, and in that sense I'm not sure how representative the physics test is of real-world performance "

    The physics test conveys utterly no information. If you look at the code, it's obvious that the physics score basically scales as frequency*numberOfCores. So those octacore CPUs get their one (and only...) chance to shine.

    But all you're learning is something you already knew --- that the SoC has lotsa cores running at a high frequency. You're learning nothing predictive about how those cores behave on real code.
    An analogy is to judging an SSD by its interface speed --- "ooh, it supports PCIe3x4 --- obviously it must run at 4GB/s under any and all circumstances", or to assuming that the only number you need to know about a memory system is that it connects to DDR4@2400.
  • name99 - Wednesday, June 1, 2016 - link

    I find the NAND performance numbers very interesting when compared to that tiny new Samsung BGA SSD:
    http://www.anandtech.com/show/10385/samsung-begins...

    Sure the Samsung numbers are perhaps 3x higher (given different testing methodologies, etc) but I suspect the Samsung volume and power are SUBSTANTIALLY higher. So Apple is doing remarkably well. It would be interesting to know if they are using tricks like TurboWrite (ie use part of the flash as pseudo-SLC) or if that's still on the table, available for next year's performance boost.
  • sfwineguy - Thursday, June 2, 2016 - link

    Very useful review. Because my own habits may differ from other users, I'm still unsure as to whether I should spring for this new one of try to find an Air 2 (hopefully one with 64 gigs rather than the 16 Apple is offering direct). It seems a bunch of the benefit from the Pro is the camera, which is something I just don't care about.

    If they had given this the 4 gigs of RAM in the larger Pro, it would be a no brainer for me. I feel like Apple always holds back on the RAM (and tells us we don't need it), which obsoletes their devices quicker than I would like.
  • ragingfighter - Wednesday, July 13, 2016 - link

    In general apple holds back so they get you to upgrade it's a business model it's the way it has to work or you'll be keeping your iPad forever. IN my opinion, I think even if you had a first generation Erewhon is aware the tablet to hold onto. You really have to ask yourself this is it worth spending $600 more not counting the pencil for an additional hundred or the keyboard for an additional 150 that's if you're talking about their base model if you're going be on that then you have to ask yourself if it's worth spending closer to seven to $800. What do you use your tablet for now? Do you find it slow? Have you went to the store and did a side-by-side such a Staples Best Buy or Apple? I would recommend doing that use them a little bit or even go as far as biting the bullet and buy an iPad Pro from Bestbuy demo them side-by-side on the weekend and decide then whether you going to keep it or return it. Depending on where you're from your givien A window of I believe 14 days to return at least a Best Buy it might be an option for you to try them of them both, but your conclusion and stick with it
  • RobertJasiek - Thursday, June 2, 2016 - link

    DisplayMate measures "lowest reflectance" but this is the best only for glare displays. Tablets with semi-matte, capacitative touch display must have a much lower reflectance but, unfortunately, so far come with 16:9 or 16:10 display ratios.

    I wish a Windows tablet with matte, semi-matte or current iPad-like low reflectance display; iPad-like display ratio, casing, weight, battery duration; battery replaceability or service; great WLAN range; BGA SSD; USB and thunderbolt 3. Still the manufacturers of Windows tablets fails to offer displays suitable outdoors with an acceptably low display ratio and a casing suitable for hours of hand holding.

    Many iOS apps do not help if the needed functionality is not available; I find it only for Windows or maybe Linux. This and the missing general file management under iOS mean that 2/3 of my tasks incl. productivity (other than simple proofreading) is impossible on iPads. Therefore the iPad Pro 9.7 is too expensive. Its good hardware can never compensate the failure of iOS and apps. This may be different for some needing only mainstream apps and file formats.
  • adamod - Thursday, June 2, 2016 - link

    i would buy it but its waaaay to thick for me...totally unacceptable
  • arsjum - Thursday, June 2, 2016 - link

    Is this sarcasm?
  • samer1970 - Thursday, June 2, 2016 - link

    the best tablet ? I dont think so , Core M3/5/7 Tablets are better and with full windows 10
  • Hemlocke - Thursday, June 2, 2016 - link

    Have you actually used them as tablets? The SP4 is a terrible tablet. It's heavier, it's stuck in landscape, it lacks a lot of touch-optimized apps, it has an inferior screen, and it has inferior battery life.

    Oh, but Windows, you say. That's great. To get a decent Windows experience laptop out of it, you're spending $1200 for everything, and a $999 Razer Blade Stealth smokes the half-assed laptop that is the SP4, leaving you with $200 to buy an Nvidia Shield Tablet K1, which is still a better tablet experience than the SP4.
  • nikon133 - Friday, June 3, 2016 - link

    Have you used Surface as a tablet, though?

    I'm using SP3 as my main tablet and laptop. It is stuck in landscape only if you want to use kickstand. If you want to hold it in your hands, it works in portrait just fine. Since I love kickstand, only scenario I use it in portrait is for comics, which I read in app called Cover. Everything else I do in landscape, and even with heavier hardware, being able to use tablet with one hand (while it sits on my lap or on bed, table... at angle I like) while having the other hand free to hold a cup, glass, sandwich... is more than worth extra weight.

    I have all the apps I need for tablet mode. Granted I'm not too demanding with apps, but usual stuff - browser, mail client, FB, maps, weather, FB messenger and Skype, YouTube player, News client, comics and ebook readers, music and media players... are all there and perform well under touch.

    I can get 8 hours of light usage out of fully charged Surface Pro 3. Most common scenario, browsing, will fluctuate wildly, but hit usually comes with Flash-heavy sites. Not sure if I can open them on iPad at all. And then, there's very nice type cover sitting in vicinity - if at any moment I decide that whatever casual I do will require some serious typing, transformation is 1 second away.

    As a laptop - surprisingly enough, SP4 released keyboard (which works with SP3, too) is one of finest laptop keyboards I have ever used, and even touchpad is quite good - maybe not on MB level, but as good as any Windows laptops does... and I still get to use touch screen, which I do. I wouldn't like touch screen on my desktop's screen, but on small screen that usually sits closer to me than desktop, it makes a lot of sense.

    My SP3 also has full Office, Photoshop, Lightroom... among few other desktop programs. I'm using desktop for really heavy lifting at home - and gaming - and SP3 replaces laptop and tablet very nicely for me, at home and on travels. iPads are nice - I'm buying them for my mother every 2 years or so - but they just can't replace both laptop and tablet for me, and since I live in NZ - almost every trip is intercontinental, and having one device less to drag is easily noticeable.

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