Between the Note Air 4 C and Elipsa 2E, the Note Air 4 C comes out ahead in storage and resolution, while the Elipsa 2E wins on weight. Overall, the Note Air 4 C scores 83.9 and the Elipsa 2E scores 69.1 on our Mars Score.
Which should you buy?
The Note Air 4 C is the clear pick on raw spec strength, leading by 14.8 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 Note Air 4 C if you care most about storage and resolution. The biggest gaps in its favor are storage, resolution, color screen.
Pick the Elipsa 2E if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.
Both ship with comparable screen size, waterproof, so those specs don't separate the two — focus on the differences below.
Bottom line: the Note Air 4 C is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Boox - Note Air 4 C wins
- ▲Storage — 100.00% more. 64 GB vs 32 GB.
- ▲Resolution — 32.16% more. 300 ppi vs 227 ppi.
- ▲Has Color screen.
Why Kobo - Elipsa 2E wins
- ▲Weight — 30.00 g less. 390 vs 420.
Spec comparison
Display
| Spec | Boox - Note Air 4 C | Kobo - Elipsa 2E |
|---|---|---|
| Screen sizeⓘ | 10.3 " | 10.3 " |
| Resolution | 300 ppilead | 227 ppi |
| Color screen | truelead | false |
| Warm light | true | true |
Design
| Spec | Boox - Note Air 4 C | Kobo - Elipsa 2E |
|---|---|---|
| Weight | 420 g | 390 glead |
| Waterproof | false | false |
| Page-turn buttons | false | false |
Storage & Battery
| Spec | Boox - Note Air 4 C | Kobo - Elipsa 2E |
|---|---|---|
| Storageⓘ | 64 GBlead | 32 GB |
| Battery life | 3 weeks | 6 weekslead |
Spec-level deep dives
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