HOW MUCH BATTERY LIFE DOES THE APPLE PENCIL HAVE PROWith 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.Īpple includes a 10W brick with the 9.7" iPad Pro. With the 12.9" iPad Pro Josh measured a charge time of over five hours, which is really unacceptable to say the least. While charge times have certainly gone down with Apple's 9.7" iPads, that's due to shrinking batteries rather than significantly faster charging. Unfortunately we haven't see such improvements with tablets. Smartphones have gone from taking several hours to charge a few years ago to only taking an hour or two today. HOW MUCH BATTERY LIFE DOES THE APPLE PENCIL HAVE ANDROIDIn 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. With Manhattan this isn't the case, and we see that the 9.7" iPad Pro does show signs of throttling. 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. ![]() 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. ![]() In the GFXBench 3.1 Manhattan battery test the 9.7" iPad Pro performs incredibly well. HOW MUCH BATTERY LIFE DOES THE APPLE PENCIL HAVE SOFTWAREThe 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. It's worth noting that we see a regression here from the iPad Air 2. 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. 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. The 9.7" iPad Pro does well in our video playback test. 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. 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. ![]() But in our new test the iPads simply can't last that long due to the heavier and more representative workload. 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. In our 2016 WiFi web browsing test the 9.7" iPad Pro comes in at roughly the same runtime as the iPad Air 2. 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. 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. 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. Apple has always advertised the iPad as achieving all day battery life.
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