NVIDIA Tegra X1 Performance Exceeds Intel Bay Trail SoCs, AMD AM1 APUs

Posted by Soulskill on Tuesday July 28, 2015 @04:06PM from the comparative-advantage dept.

An anonymous reader writes: A NVIDIA SHIELD Android TV modified to run Ubuntu Linux is providing interesting data on how NVIDIA's latest "Tegra X1" 64-bit ARM big.LITTLE SoC compares to various Intel/AMD/MIPS systems of varying form factors. Tegra X1 benchmarks on Ubuntu show strong performance with the X1 SoC in this $200 Android TV device, beating out low-power Intel Atom/Celeron Bay Trail SoCs, AMD AM1 APUs, and in some workloads is even getting close to an Intel Core i3 "Broadwell" NUC. The Tegra X1 features Maxwell "GM20B" graphics and the total power consumption is less than 10 Watts.

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Interesting, but compiler settings aren't optimal by the_humeister · 2015-07-28 16:48 · Score: 4, Insightful

Look here at the compiler settings. The x86 processors are somewhat hampered by non-optimal settings. For example the i3 5010U is set to -mtune=generic. In my experience, that's basically going to default to AMD K8 optimization with no AVX/AVX2 support. The better option would be using -mtune=native or better yet -march=native, which would detect the CPU and produce a more optimized binary.