Power consumption and efficiency in QHD – 2560 x 1440 pixels
The power consumption is almost on par with that of a GeForce RTX 3080 FE, but the Sapphire RX 6900XT Toxic offers significantly more performance. However, the GeForce RTX 3090 FE, which is about as fast in WQHD, consumes 27 watts more. That is also a clear statement.
However, the higher performance of the card compared to the in-house AMD reference also has its price, so that the GeForce RTX 3090 is easily left behind in terms of efficiency, but all AMD reference cards have to be left behind. The BIOS 2 is hardly more frugal and therefore once again falls through the cracks.
Power consumption and efficiency in UHD – 3840 x 2160 pixels
In Ultra HD, the card is slightly above the GeForce 3080 FE, but is faster. And the GeForce RTX 3090 FE sucks power like thirsty kids on a Coke straw. Both, by the way, are plenty unhealthy, just as a side note.
The efficiency is about identical to AMD’s reference card, despite higher performance. In this case the better cooling takes effect again, because the leakage currents are lower.
But gaming alone is not everything and we also want to go into the other load scenarios, the voltages, the load peaks and the power supply recommendation in the following chapters.
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