Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Kobo - Clara BW | Kobo - Sage |
|---|---|---|
| Storage | 16 GB | 32 GB |
| Weight | 172 g | 240 g |
| Screen size | 6 " | 8 " |
Between the Clara BW and Sage, the Clara BW comes out ahead in weight, while the Sage wins on storage / screen size. Overall, the Clara BW scores 67.2 and the Sage scores 73.1 on our Mars Score.
Which should you buy?
The Sage edges ahead on the Mars Score (67.2 vs 73.1), but the 5.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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. The single most decisive one: Weight — 68.00 g less. 172 vs 240.
Pick the Sage 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. The single most decisive one: Storage — 100.00% more. 32 GB vs 16 GB.
Both ship with comparable resolution, waterproof, color screen, so those specs do not separate the two — focus on the differences below.
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 - Clara BW or Kobo - Sage?
Kobo - Sage leads the current Mars Score by 5.9 points.The more useful decision is the trade-off behind that result: compare screen size, 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.
Choose Kobo - Sage if…
Kobo - Sage has the measurable edge on storage gb, screen size in.
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 — 68.00 g less. 172 vs 240.
Why Kobo - Sage wins
- ▲Storage — 100.00% more. 32 GB vs 16 GB.
- ▲Screen size — 33.33% more. 8 " vs 6 ".
Spec comparison
Display
| Spec | Kobo - Clara BW | Kobo - Sage |
|---|---|---|
| Screen size | 6 " | 8 "lead |
| Resolution | 300 ppi | 300 ppi |
| Color screen | false | false |
| Warm light | true | true |
Design
| Spec | Kobo - Clara BW | Kobo - Sage |
|---|---|---|
| Weight | 172 glead | 240 g |
| Waterproof | true | true |
| Page-turn buttons | false | truelead |
Storage & Battery
| Spec | Kobo - Clara BW | Kobo - Sage |
|---|---|---|
| Storageⓘ | 16 GB | 32 GBlead |
| Battery life | 6 weeks | 8 weekslead |