Onyx Boox Note Air3 C vs Onyx Boox Tab Ultra C Pro
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AI Matrix
Powered by Claude AIOnyx Boox Note Air3 C and Onyx Boox Tab Ultra C Pro are closely matched e-readers devices with nearly identical overall scores (60 vs 59). The best choice depends on which specific features matter most to you.
Spec Comparison
Onyx Boox Note Air3 COnyx Boox Tab Ultra C Pro
Score Breakdown
Onyx Boox Note Air3 COnyx Boox Tab Ultra C Pro
84
Price25% weight
80Tie
100
Display30% weight
100Tie
36
Battery25% weight
36Tie
0
Weight10% weight
0Tie
1
Storage10% weight
2Tie
Scores are relative within the e-readerscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
Onyx Boox Note Air3 C
✓ Pros
- ●Lower price: $499 vs $599
- ●Lighter build: 420g vs 480g
Onyx Boox Tab Ultra C Pro
✓ Pros
- ●More storage: 128GB vs 64GB
✗ Cons
- ●Higher price: $599 vs $499
Spec Comparison
| Spec | Onyx Boox Note Air3 C | Onyx Boox Tab Ultra C Pro |
|---|---|---|
| Price | 499$✓ | 599$ |
| Display | 10.3" | 10.3" |
| Display Type | E-Ink Kaleido | E-Ink Kaleido |
| Resolution | 1872 x 1404 | 1872 x 1404 |
| Storage | 64GB | 128GB✓ |
| Battery Life | 672hrs | 672hrs |
| Bluetooth | 5.0 | 5.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Weight | 420g✓ | 480g |
| Dimensions | 245 x 195 x 6.8 mm | 245 x 195 x 6.8 mm |
| Colors | Black | Black |
Who Should Buy
Buy Onyx Boox Note Air3 C if…
The Onyx Boox Note Air3 C is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Onyx Boox Tab Ultra C Pro if…
The Onyx Boox Tab Ultra C Pro is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Onyx Boox Note Air3 C vs Onyx Boox Tab Ultra C Pro — FAQ
Onyx Boox Note Air3 C vs Onyx Boox Tab Ultra C Pro: which is better?
Onyx Boox Note Air3 C and Onyx Boox Tab Ultra C Pro are closely matched e-readers devices with nearly identical overall scores (60 vs 59). The best choice depends on which specific features matter most to you.
Is Onyx Boox Note Air3 C better than Onyx Boox Tab Ultra C Pro?
Both products score similarly — it depends on your priorities.
Which is cheaper, Onyx Boox Note Air3 C or Onyx Boox Tab Ultra C Pro?
Onyx Boox Note Air3 C is cheaper at $499 vs $599 for the Onyx Boox Tab Ultra C Pro.
Who should buy the Onyx Boox Note Air3 C?
The Onyx Boox Note Air3 C is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Who should buy the Onyx Boox Tab Ultra C Pro?
The Onyx Boox Tab Ultra C Pro is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Which lasts longer, Onyx Boox Note Air3 C or Onyx Boox Tab Ultra C Pro?
Both offer 672 hours of battery life.
Which is lighter, Onyx Boox Note Air3 C or Onyx Boox Tab Ultra C Pro?
Onyx Boox Note Air3 C is lighter at 420g vs 480g.
Related Comparisons
Full Onyx Boox Note Air3 C review →Full Onyx Boox Tab Ultra C Pro review →All Onyx Boox E-Readers →All Onyx Boox E-Readers →
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.