Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Kobo - Sage | reMarkable - Paper Pro |
|---|---|---|
| Weight | 240 g | 525 g |
| Storage | 32 GB | 64 GB |
| Screen size | 8 " | 11.8 " |
| Resolution | 300 ppi | 229 ppi |
| Waterproof | true | false |
| Color screen | false | true |
Between the Sage and Paper Pro, the Sage comes out ahead in weight / resolution, while the Paper Pro wins on storage / screen size. Overall, the Sage scores 73.1 and the Paper Pro scores 67.5 on our Mars Score.
Which should you buy?
The Sage edges ahead on the Mars Score (73.1 vs 67.5), but the 5.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Sage 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 — 285.00 g less. 240 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 — 100.00% more. 64 GB vs 32 GB.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Sage is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Kobo - Sage or reMarkable - Paper Pro?
Kobo - Sage leads the current Mars Score by 5.6 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 - Sage if…
Kobo - Sage 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 - Sage wins
- ▲Weight — 285.00 g less. 240 vs 525.
- ▲Resolution — 31.00% more. 300 ppi vs 229 ppi.
- ▲Has Waterproof.
Why reMarkable - Paper Pro wins
- ▲Storage — 100.00% more. 64 GB vs 32 GB.
- ▲Screen size — 47.50% more. 11.8 " vs 8 ".
- ▲Has Color screen.
Spec comparison
Display
| Spec | Kobo - Sage | reMarkable - Paper Pro |
|---|---|---|
| Screen size | 8 " | 11.8 "lead |
| Resolution | 300 ppilead | 229 ppi |
| Color screen | false | truelead |
| Warm light | true | true |
Design
| Spec | Kobo - Sage | reMarkable - Paper Pro |
|---|---|---|
| Weight | 240 glead | 525 g |
| Waterproof | truelead | false |
| Page-turn buttons | truelead | false |
Storage & Battery
| Spec | Kobo - Sage | reMarkable - Paper Pro |
|---|---|---|
| Storageⓘ | 32 GB | 64 GBlead |
| Battery life | 8 weekslead | 2 weeks |