41 facts in comparison
BOOX Note Air5 C vs BOOX Note Air3 C
This comparison puts the BOOX Note Air5 C and BOOX Note Air3 C side by side — two E Ink Tablets measured against the same 41-spec sheet, with every meaningful gap scored and explained. On our weighted VS Score the BOOX Note Air3 C finishes ahead, 92 to 91 — a narrow edge.
The single biggest measurable gap is RAM: 6 GB vs 4 GB. A transparency note before you dive in: the spec sheets are BOOX Note Air5 C 68% and BOOX Note Air3 C 73% complete. Anything unverified shows as Unknown and is left out of the scores — we never estimate a missing value.
Head-to-head points: every spec is scaled between these products only, so a product can score high here and modestly on its own page, where the VS Score measures it against the median of its class.
Where the BOOX Note Air5 C beats the BOOX Note Air3 C
- A higher android version ?15 vs 12
- Much more RAM ?6 GB vs 4 GB
Where the BOOX Note Air3 C beats the BOOX Note Air5 C
- A slightly lighter build ?430 g vs 440 g
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- RAMPerformance6 GB vs 4 GB — 50% more for the BOOX Note Air5 C
More memory keeps large PDFs and apps responsive.
- Android versionSoftware15 vs 12 — 25% more for the BOOX Note Air5 C
A newer Android base keeps apps compatible for longer.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for software BOOX Note Air5 C takes the category 100 to 78 — driven by android version (15 vs 12).
- Best for performance BOOX Note Air5 C takes the category 100 to 55 — driven by RAM (6 GB vs 4 GB).
- Best for design BOOX Note Air3 C takes the category 100 to 32 — driven by weight (440 g vs 430 g).
Where each one falls short
BOOX Note Air5 C
- No major spec weaknesses in this matchup — the gaps that exist are small.
- 13 specs are unreported (shown as Unknown) and excluded from its scores.
BOOX Note Air3 C
- RAM: 6 GB vs 4 GB
- Android version: 15 vs 12
- 11 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Display
Writing
Software
Performance
Battery
Connectivity
Design
Specs last verified September 10, 2026BOOX Note Air5 C: 28 of 41 specs verified (68%)BOOX Note Air3 C: 30 of 41 specs verified (73%)Unverified specs show as Unknown — never estimated, never scored
What reviewers say
The bottom line
It leads on Design. The BOOX Note Air5 C answers back with stronger Software and Performance. Too few specifications are reported for both to call a winner: treat the lead as a pointer, not a recommendation.
