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Spec drill · Recommended PSU

ROG Astral RTX 5080 OC vs Radeon RX 9080

A side-by-side readout for recommended psu.

ASUS · ROG Astral RTX 5080 OC
850W
AMD · Radeon RX 9080
800W
▲ Lead
VerdictRadeon RX 9080 wins on recommended psu.
Context

Understanding recommended psu

Recommended PSU is a numeric spec measured in W. On this metric, lower values are generally better — smaller, lighter, thinner, or less demanding usually translates to a more comfortable or more efficient product. When comparing two products, focus on the percentage gap rather than the raw delta: a 200-unit lead means something very different at the low end of the range than at the high end. Pay attention to the unit, too — manufacturers sometimes quote peak or burst figures that are not sustained in real-world use. Cross-check the published number against independent measurements where possible, especially for performance and battery claims. Finally, remember that a single spec rarely tells the whole story; the Mars Score weighs recommended psu together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupROG Astral RTX 5080 OC's 850W is roughly 6% more than Radeon RX 9080's 800W (a 50W gap). Lower is better here, so Radeon RX 9080 takes the lead in real use.

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Other specs on this comparison

See the full Tarjetas gráficas category for all products ranked by Mars Score.