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All of our gaming tests are conducted using an Nvidia PCAT v2 device, which allows us to capture total graphics card power, GPU clocks, GPU temperatures, and some other data as we run each gaming benchmark. We have separate 1080p, 1440p, and 4K results for each area.
The Arc B570 has an official power rating of 150W. That's for the whole board, not just the GPU — and we've noticed that some software seems to only grab GPU power (RivaTuner Statistics Server as an example). But the PCAT provides real power use.
As we saw with the B580, the B570 comes in below its rated power level. We say average power use across our test suite of 130–140 watts, slightly more than the RX 6600 but less than the RX 7600 — and far below the previous generation A750 and A770. But Nvidia's RTX 4060 still ranks as the lower power use of the tested GPUs.
Clock speeds among the different GPUs and architectures aren't particularly important, but it's interesting to see where things land. Intel specifies a "Graphics Clock" of 2500 MHz for the B570, and that's supposed to be an average across a suite of games. But it's a conservative average if so, and in fact the ASRock B570 card basically ran at it's maximum 2750 MHz boost clock in nearly all of our tests.
Like the clock speeds, comparing GPU temperatures without considering other aspects of the cards doesn't make much sense. One card could run its fans at higher RPMs, generating more noise while being "cooler." So these graphs should be used alongside the noise and performance results.
The ASRock B570 card ends up in the top three for running cool and quiet. It's slightly warmer than the RTX 4060 and RX 6600, landing just above 60C under load.
We check noise levels using an SPL (sound pressure level) meter placed 10cm from the card, with the mic aimed right at the center of one fan: the center fan if there are three fans, or the right fan for two fans. This helps minimize the impact of other noise sources like the fans on the CPU cooler. The noise floor of our test environment and equipment is around 31–32 dB(A).
[Charts to come, sorry! Still testing...]
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