Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Kobo - Clara BW | reMarkable - Paper Pro |
|---|---|---|
| Weight | 172 g | 525 g |
| Storage | 16 GB | 64 GB |
| Screen size | 6 " | 11.8 " |
| Resolution | 300 ppi | 229 ppi |
| Waterproof | true | false |
| Color screen | false | true |
Between the Clara BW and Paper Pro, the Clara BW comes out ahead in weight / resolution, while the Paper Pro wins on storage / screen size. Overall, the Clara BW scores 67.2 and the Paper Pro scores 67.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (67.2 vs 67.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Clara BW if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, resolution, waterproof. The single most decisive one: Weight — 353.00 g less. 172 vs 525.
Pick the Paper Pro if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are storage, screen size, color screen. The single most decisive one: Storage — 300.00% more. 64 GB vs 16 GB.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
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.
Which should you buy: Kobo - Clara BW or reMarkable - Paper Pro?
reMarkable - Paper Pro leads the current Mars Score by 0.3 points.The more useful decision is the trade-off behind that result: compare screen size, resolution, storage, weight against the way you will actually use the product.
Choose Kobo - Clara BW if…
Kobo - Clara BW has the measurable edge on weight g, resolution ppi, waterproof.
Choose reMarkable - Paper Pro if…
reMarkable - Paper Pro has the measurable edge on storage gb, screen size in, has color screen.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Kobo - Clara BW wins
- ▲Weight — 353.00 g less. 172 vs 525.
- ▲Resolution — 31.00% more. 300 ppi vs 229 ppi.
- ▲Has Waterproof.
Why reMarkable - Paper Pro wins
- ▲Storage — 300.00% more. 64 GB vs 16 GB.
- ▲Screen size — 96.67% more. 11.8 " vs 6 ".
- ▲Has Color screen.
Spec comparison
Display
| Spec | Kobo - Clara BW | reMarkable - Paper Pro |
|---|---|---|
| Screen size | 6 " | 11.8 "lead |
| Resolution | 300 ppilead | 229 ppi |
| Color screen | false | truelead |
| Warm light | true | true |
Design
| Spec | Kobo - Clara BW | reMarkable - Paper Pro |
|---|---|---|
| Weight | 172 glead | 525 g |
| Waterproof | truelead | false |
| Page-turn buttons | false | false |
Storage & Battery
| Spec | Kobo - Clara BW | reMarkable - Paper Pro |
|---|---|---|
| Storageⓘ | 16 GB | 64 GBlead |
| Battery life | 6 weekslead | 2 weeks |