Gigabyte RTX 3070 Gaming OC Review

We measure system-wide power draw from the wall while running the 3DMark Time Spy stress test for 30 minutes.

Total system power draw figures are identical between the two BIOS options. This is to be expected as both have the same 270W power limit.

We also use GPU-Z to measure Board Power (graphics card-only power draw). This is currently only available for Nvidia cards, which is why we have excluded AMD results from the chart. Aside from the fact this is software-based reporting, and not a hardware measurement of the PCIe power cables and PCIe slot (for that we’d need something like PCAT), this should provide us more accurate data to work with as it is measuring only the GPU power, and not total system power which is a fundamentally imprecise measurement.

For GPU-only power draw, both BIOS average 267W across our 30 minute stress test. This is a real-world increase of 51W compared to the Founders Edition, and 29W compared to the MSI Gaming X Trio.

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