Amazon - Kindle Paperwhite (12th gen) vs Kobo - Clara BW

These two are nearly even on the Mars Score (68.9 vs 67.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.

Pick the Kindle Paperwhite (12th gen) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are screen size. The single most decisive one: Screen size — 16.67% more. 7 " vs 6 ".

Pick the Clara BW if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight. The single most decisive one: Weight — 39.00 g less. 172 vs 211.

Both ship with comparable resolution, storage, waterproof, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.