Lenovo IdeaPad Tablet K1 Review

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Performance Benchmarks

Next, we'll take a look at how the Lenovo IdeaPad Tablet K1 compares to other tablets by running a few common benchmarks that are currently available in the Android Marketplace. The first two tests are general purpose computing type benchmarks.

CPU Testing
General Purpose Android-Based Testing 



Linpack measures floating point compute power of the Android operating system and the processor driving it. Here, all of our Tegra 2 based competitors running Android 3.1 appear to be pretty much on par with each other. However, the Lenovo IdeaPad Tablet takes the lead spot by a hair.




SunSpider tests the tablet's Javascript performance, and since Javascript is widely used around the web, this test is loosely indicative of browser performance with each of the slates we tested. Here the K1 falls right about in line with the Motorola Xoom, Toshiba Thrive and the iPad 2. Though no tablet has been able to catch the Eee Pad Transformer in this test yet.

Graphics Testing
Android Gaming Tests

An3DBench is a benchmarking tool based on an Android port of the jPCT 3D engine. The app runs 7 tests in total that look at graphics processor fill rate with complex rendering workloads and scenes. We also were able to run some tests with An3DBenchXL, which is a newer version of the app that is significantly more demanding





Once again, in both versions of this 3D graphics benchmark, the Lenovo IdeaPad Tablet K1 puts out scores that are on par with competitive Honeycomb-based solutions like Motorola's Xoom, Samsung's Galaxy Tab 10.1 and Acer's Iconia Tab. That said, the K1 does tend to fall into the middle of the pack, rather than rising to the top tier.  Perhaps Lenovo could use an update to the NVIDIA graphics driver used in their Honeycomb build, or it's possible (though not likely) that some of their UI tweaks are utilizing just a tad more resources in the background.  Regardless, between all of these Honeycomb slates, there are no major stand-outs, though the Asus Eee Pad Transformer appears to be the one to beat overall, at least performance wise.


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