Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Boox - Note Air 4 C | Boox - Palma 2 |
|---|---|---|
| Weight | 420 g | 170 g |
| Storage | 64 GB | 128 GB |
| Screen size | 10.3 " | 6.13 " |
| Color screen | true | false |
Between the Note Air 4 C and Palma 2, the Note Air 4 C comes out ahead in screen size / color screen, while the Palma 2 wins on weight / storage. Overall, the Note Air 4 C scores 77.7 and the Palma 2 scores 83 on our Mars Score.
Which should you buy?
The Palma 2 edges ahead on the Mars Score (77.7 vs 83), but the 5.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Note Air 4 C if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are screen size, color screen. The single most decisive one: Screen size — 68.03% more. 10.3 " vs 6.13 ".
Pick the Palma 2 if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, storage. The single most decisive one: Weight — 250.00 g less. 170 vs 420.
Both ship with comparable resolution, waterproof, 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 - Note Air 4 C or Boox - Palma 2?
Boox - Palma 2 leads the current Mars Score by 5.3 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 - Note Air 4 C if…
Boox - Note Air 4 C has the measurable edge on screen size in, has color screen.
Choose Boox - Palma 2 if…
Boox - Palma 2 has the measurable edge on weight g, storage gb.
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 - Note Air 4 C wins
- ▲Screen size — 68.03% more. 10.3 " vs 6.13 ".
- ▲Has Color screen.
Why Boox - Palma 2 wins
- ▲Weight — 250.00 g less. 170 vs 420.
- ▲Storage — 100.00% more. 128 GB vs 64 GB.
Spec comparison
Display
| Spec | Boox - Note Air 4 C | Boox - Palma 2 |
|---|---|---|
| Screen size | 10.3 "lead | 6.13 " |
| Resolution | 300 ppi | 300 ppi |
| Color screen | truelead | false |
| Warm light | true | true |
Design
| Spec | Boox - Note Air 4 C | Boox - Palma 2 |
|---|---|---|
| Weight | 420 g | 170 glead |
| Waterproof | false | false |
| Page-turn buttons | false | false |
Storage & Battery
| Spec | Boox - Note Air 4 C | Boox - Palma 2 |
|---|---|---|
| Storageⓘ | 64 GB | 128 GBlead |
| Battery life | 3 weekslead | 2 weeks |