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Spec drill · Length

Radeon RX 7800 XT vs Radeon RX 9070 XT

A side-by-side readout for length.

AMD · Radeon RX 7800 XT
267mm
▲ Lead
AMD · Radeon RX 9070 XT
287mm
VerdictRadeon RX 7800 XT wins on length.
Context

Understanding length

Length is a numeric spec measured in mm. 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 length together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupRadeon RX 9070 XT's 287mm is roughly 7% more than Radeon RX 7800 XT's 267mm (a 20mm gap). Lower is better here, so Radeon RX 7800 XT takes the lead in real use.

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Other specs on this comparison

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