Apple iPad & iPad mini Smoke the Competition’s Battery Life

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Apple's iPad and iPad mini smoked the competition in battery life, according to test results released by British magazine Which? The consumer reporting magazine put devices with 9.4-inch screens and larger against one another, and then those with screens smaller than 7.9-inches, and Apple's iPad family took top honors, crushing top Android and Windows 8 devices.

Methodology

For tablet battery tests, Which? set the brightness for each device at 200 nits, which it called "a reasonable daytime brightness level." The testers use a light meter to measure brightness in order to ensure that each device is being tested under the same conditions. The tests then measure battery life at that level while Web browsing over Wi-Fi and 3G (where appropriate), as well as video playback.

They also test recharge time, but those results weren't included with this report.

The Big Ten Inch

As shown in the chart below, Apple's iPad with Retina Display (iPad 4) laid the smackdown on every competing device. At 811 minutes (13.5 hours), its nearest competitor was 2011's iPad 2, at 590 minutes (9.8 hours). Sony's Experia Tables S was third at 534 minutes (8.9 hours) and Samsung's Galaxy Tab 2 10.1 was fourth at 532 minutes, just below the Sony device.

Which? Graph

Source: Which?

Microsoft's Surface RT took fifth place 501 minutes (8.35 hours), while the Google Nexus 10 was sixth with 488 minutes (8.1 hours). Note that the average was 451, well below sixth place Google, but that's because not all of the tablets tested were included in the graph or the blog post announcing the report.

The Asus Eee Pad Transformer Prime did very poorly in the tests, showing only 335 minutes. This has been a popular device for Asus, part of that company's belief that people really want their tablets to be toaster-fridges.

The Eee Pad Transformer Prime comes with a separate keyboard that has a second built-in battery, dramatically extending the device's life when one is using it as a laptop. Which? tested the device in both modes, with the 335 minute results representing the tablet-only (sans keyboard) mode. With the keyboard attached, it tested at 661 minutes, enough for second place to the iPad with Retina Display, but it's not actually a tablet and weighs some 2.4 pounds, so pick your poison.

Size Matters

In the chart below, we see the results for the 7-inch family, devices with screens 7.9 inches and smaller. Once again, Apple's iPad mini spanks the other devices with 783 minutes of battery life (13.05 hours). Amazon's Kindle Fire HD was a distant second at 591 minutes (9.85 minutes), and the Google Nexus 7 came in third at 550 minutes (9.16 hours).

Which? Graph

Source: Which?

The average of the 7-inch family was 478 minutes (just under 8 hours), with the new version of last year's Amazon Kindle Fire (437 minutes) and the Samsung Galaxy Tab 2 7.0 (425) coming in below that average.

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One thing we noted is that every side has something to whine about in the comments at Which?, with fans of tablets excluded from post finding it "strange" they weren't included, fans of losing tablets putting together specialized circumstances or specific-use cases where results would be different, and everyone complaining of some bias or another. There's even a chap who accused Which? of bias because it didn't feature Apple's iPad in a teaser graphic.

Everyone finding a reason to complain probably means the publication is doing something right, especially in the absurdly polarized world of iOS vs. Android.

Speaking of polarization, perhaps these results shed some insight on why owners of other tablets don't seem to do anything with them. It could be that they're simply recharging them all the time rather than actually using them.

Discuss.

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5 Comments Leave Your Own

nasyor

Calling the polarization absurd (which it is,) then closing the article with a polarizing comment.  Well done.  Its silly to identify with either multi-billion dollar company as if they represent you in some way.  Just use what you like and let others use what they like.

iJack

“Microsoft’s Surface RT took fifth place 501 minutes (8.35 minutes)..”

8.35 hours, surely.

ibuck

I dinna understand it, Cap’n. We got no power. We can’t beam anything down.

Bryan Chaffin

Yep, it’s hours. The article was corrected accordingly.

mrmwebmax

+

What I find interesting about the iOS vs. Android polarization is that it makes Mac vs. Windows (remember those days?) look positively tame by comparison. Windows people simply called the Mac a toy and wandered on. Android users positively hate Apple and iOS with an intensity that should give anyone who calls Apple a religion serious pause.

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