Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Boox - Palma 2 | Kobo - Libra 2 |
|---|---|---|
| Storage | 128 GB | 32 GB |
| Weight | 170 g | 215 g |
| Screen size | 6.13 " | 7 " |
| Waterproof | false | true |
Between the Palma 2 and Libra 2, the Palma 2 comes out ahead in storage / weight, while the Libra 2 wins on screen size / waterproof. Overall, the Palma 2 scores 83 and the Libra 2 scores 71 on our Mars Score.
Which should you buy?
The Palma 2 is the clear pick on raw spec strength, leading by 12.0 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Palma 2 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are storage, weight. The single most decisive one: Storage — 300.00% more. 128 GB vs 32 GB.
Pick the Libra 2 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 screen size, waterproof. The single most decisive one: Screen size — 14.19% more. 7 " vs 6.13 ".
Both ship with comparable resolution, color screen, so those specs do not separate the two — focus on the differences below.
Bottom line: the Palma 2 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: Boox - Palma 2 or Kobo - Libra 2?
Boox - Palma 2 leads the current Mars Score by 12.0 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 Boox - Palma 2 if…
Boox - Palma 2 has the measurable edge on storage gb, weight g.
Choose Kobo - Libra 2 if…
Kobo - Libra 2 has the measurable edge on 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 Boox - Palma 2 wins
- ▲Storage — 300.00% more. 128 GB vs 32 GB.
- ▲Weight — 45.00 g less. 170 vs 215.
Why Kobo - Libra 2 wins
- ▲Screen size — 14.19% more. 7 " vs 6.13 ".
- ▲Has Waterproof.
Spec comparison
Display
| Spec | Boox - Palma 2 | Kobo - Libra 2 |
|---|---|---|
| Screen size | 6.13 " | 7 "lead |
| Resolution | 300 ppi | 300 ppi |
| Color screen | false | false |
| Warm light | true | true |
Design
| Spec | Boox - Palma 2 | Kobo - Libra 2 |
|---|---|---|
| Weight | 170 glead | 215 g |
| Waterproof | false | truelead |
| Page-turn buttons | false | truelead |
Storage & Battery
| Spec | Boox - Palma 2 | Kobo - Libra 2 |
|---|---|---|
| Storageⓘ | 128 GBlead | 32 GB |
| Battery life | 2 weeks | 6 weekslead |