Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Amazon - Kindle (2022) | Kobo - Sage |
|---|---|---|
| Storage | 16 GB | 32 GB |
| Weight | 158 g | 240 g |
| Screen size | 6 " | 8 " |
| Waterproof | false | true |
Between the Kindle (2022) and Sage, the Kindle (2022) comes out ahead in weight, while the Sage wins on storage / screen size. Overall, the Kindle (2022) scores 67.7 and the Sage scores 73.1 on our Mars Score.
Which should you buy?
The Sage edges ahead on the Mars Score (67.7 vs 73.1), but the 5.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Kindle (2022) 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 — 82.00 g less. 158 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, waterproof. The single most decisive one: Storage — 100.00% more. 32 GB vs 16 GB.
Both ship with comparable resolution, 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: Amazon - Kindle (2022) or Kobo - Sage?
Kobo - Sage leads the current Mars Score by 5.4 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 Amazon - Kindle (2022) if…
Amazon - Kindle (2022) has the measurable edge on weight g.
Choose Kobo - Sage if…
Kobo - Sage has the measurable edge on storage gb, screen size in, waterproof.
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 Amazon - Kindle (2022) wins
- ▲Weight — 82.00 g less. 158 vs 240.
Why Kobo - Sage wins
- ▲Storage — 100.00% more. 32 GB vs 16 GB.
- ▲Screen size — 33.33% more. 8 " vs 6 ".
- ▲Has Waterproof.
Spec comparison
Display
| Spec | Amazon - Kindle (2022) | Kobo - Sage |
|---|---|---|
| Screen size | 6 " | 8 "lead |
| Resolution | 300 ppi | 300 ppi |
| Color screen | false | false |
| Warm light | false | truelead |
Design
| Spec | Amazon - Kindle (2022) | Kobo - Sage |
|---|---|---|
| Weight | 158 glead | 240 g |
| Waterproof | false | truelead |
| Page-turn buttons | false | truelead |
Storage & Battery
| Spec | Amazon - Kindle (2022) | Kobo - Sage |
|---|---|---|
| Storageⓘ | 16 GB | 32 GBlead |
| Battery life | 6 weeks | 8 weekslead |