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发表于 2016-8-7 10:32 · 江苏
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When Nvidia announced the Tegra X1, it talked up the efficiency of the chip, lauding the process improvements and new GPU tweaks mentioned above. But how efficient is it? We were told that Tegra X1 hits peak power consumption of 10 watts when rendering an Unreal Engine 4 demo. That’s certainly impressive when you consider the Xbox needs 100 watts to do the same thing. However, 10 watts is still way too much for a tablet—most tablet processors consume maybe half that at the very top end.
The Tegra X1’s power envelope really speaks to the wide variety of applications Nvidia envisions. While the 10W number is very impressive in one context, it doesn’t tell the whole story. According to Nvidia, the power consumption in a tablet powered by Tegra X1 will be on par with Tegra K1. In fact, idle power consumption will be even lower thanks to the various architecture improvements. Tegra K1 was designed to operate at around 5-8 watts, with infrequent peaks up to 11 watts when running stressful benchmarks, so the X1 will be well within the realm of tablet power requirements.
The are two official Tegra X1 implementations so far, neither of which are for phones or tablets. |
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