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vsMars
Spec drill · Weight

OnePlus Watch 3 vs Watch S4

A side-by-side readout for weight.

OnePlus · OnePlus Watch 3
81g
Xiaomi · Watch S4
44g
▲ Lead
VerdictWatch S4 wins on weight.
Context

Understanding weight

Weight is a numeric spec measured in g. 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 weight together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupOnePlus Watch 3's 81g is roughly 84% more than Watch S4's 44g (a 37g gap). Lower is better here, so Watch S4 takes the lead in real use.

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Other specs on this comparison

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