Apple's build quality is an upside on the Mini 4. The dimensions of 8 x 5.3 x 0.24 inches and weight of 0.66 pounds make the Apple's iPad Mini 4 one of the lightest tablets we've seen.

The Mini 4's rounded edges and weighty aluminum construction give it a durable feel. The tablet lasted for a lengthy nine hours and 23 minutes in Laptop's battery test, in which a tablet loops through webpages at a constant brightness until it powers down. Apple offers the tablet in 16GB, 64GB or 128GB configurations, and separate models include support for cellular data.

During its evaluation, in which a tablet loops through webpages at a constant brightness until the battery dies, the Google Nexus 9 only lasted for seven hours and 42 minutes; battery life under eight hours is usually only seen on budget tablets. During our hands-on testing, the Nexus 9's 2048 x 1536 display handled tasks like displaying text and playing high-definition videos exceptionally well.

In Laptop's benchmarking, the display's brightness rating of 371 nits was more than Top Ten Reviews' average of 347 nits.

Despite the lack of major upgrades, the Apple iPad Air 2 holds a spot as one of the best tablets on the market. During Laptop's testing, in which a tablet loops through webpages at a constant brightness, the Air 2 lasted for nine hours and 20 minutes before powering down.

While this mark is in line with Apple's advertised Wi-Fi browsing battery life of up to 10 hours, the iPad Air's battery is a step behind other multimedia tablets that tout battery lifespans of more than 10 hours.

Text and images were displayed with excellent fidelity and virtually free of noticeable pixilation. Overall, the Google Pixel C display abilities deservedly place it in the same league as other premium tablets we reviewed.

The Pixel C also performed solidly during battery benchmarking tests from our colleagues at Laptop Mag. In their testing, a tablet loops through webpages at a constant brightness until it powers down.

Weight of 0.58 pounds, the Samsung Galaxy Tab S2 is light and thin enough to easily fit into a drawer or backpack. You can purchase the Samsung in 32GB or 64GB configurations, and micro-SD support provides storage flexibility. However, the tablet's battery life is a notable misstep in comparison with its competitors.

In Laptop's testing, a tablet scrolls through webpages at a constant brightness until the battery powers down. During this test, the S2 put up a subpar mark of 7 hours and 42 minutes. Most mainstream tablets average between 8 and 9 hours of battery life.

The Apple iPad Pro was also a strong performer in Laptop Mag's battery testing, in which a tablet loops through webpages until it powers down. With a mark of 10 hours and 53 minutes, the 9.7-inch Pro was in line with the average nine-hour mark for mainstream tablets.

Considering that the Pro is more power intensive than standard tablets, its battery life is especially impressive. For home users, the 9.7-inch Pro's physical appearance is familiar. With dimensions of 9.4 x 6.6 x 0.24 inches and a weight of 0.96 pounds, it's virtually identical to the iPad Air 2.

The iPad Mini 4 updates Apple's iPad Mini line and improves specifications and build quality. The Mini 4 is built on a 1.5GHz Apple A8 processor, and benchmark testing from our colleagues at Laptop Mag showed that its performance is in line with the best mainstream tablets.

In processing performance test Geekbench 3 and graphics test 3DMark, the Mini 4 had respective scores of 3,107 and 18,313 points. Both were on par with comparable home tablets, so you can play games and browse the web on the Mini 4 with ease.

Apple iPad mini 2 Apple's iPad mini finally has a Retina display, and it's just as good as you'd imagined. But what you may not have expected from this iOS 7-powered slate is that it would get a crazy long 11 hours and 6 minutes of battery life over Wi-Fi.

Like the iPad Air, the iPad mini with Retina display features Apple's new 64-bit A7 processor, making this one screaming fast slate.

During our hands-on evaluations, pixelation was still present in high-detail applications like those for reading, but the display's brightness kept the screen from appearing dulled. Likewise, the Samsung Galaxy Tab E performed superbly in battery benchmarking.

Our testing followed methodology developed by our colleagues at Laptop Mag, wherein a tablet is set at a constant brightness and simulates normal web browsing until it powers down. The Tab E produced an exceptional mark of 13 hours and 22 minutes, which managed to beat the 11-hour average of competing premium tablets.

Elsewhere, the middling battery life of the Microsoft Surface Pro 4 is a stumble. Battery testing from our colleagues at Laptop Mag revolves around simulated web browsing at a constant brightness until the tablet powers down.

In this test, the Pro 4 only put up a mark of six hours and five minutes. While the Pro 4's specifications are more power hungry than a standard tablet, most premium tablets can still reach around nine hours of battery life. The Pro 4 features a 12.3-inch, 2736 x 1824 display that is a notable upgrade from past Surface models, which featured 2160 x 1440 displays.