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Spec drill · Thickness

Alienware m18 R2 vs Spectre x360 14 (2025)

A side-by-side readout for thickness.

Dell · Alienware m18 R2
27.4mm
HP · Spectre x360 14 (2025)
17mm
▲ Lead
VerdictSpectre x360 14 (2025) wins on thickness.
Context

Understanding thickness

Thickness 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 thickness together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupAlienware m18 R2's 27.4mm is roughly 61% more than Spectre x360 14 (2025)'s 17mm (a 10.4mm gap). Lower is better here, so Spectre x360 14 (2025) takes the lead in real use.

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Other specs on this comparison

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