---
source_url: "https://einktab.ca/boox-note-air-4c-vs-note-air-5c-should-you-keep-your-4c-or-upgrade-to-5c/"
title: "BOOX Note Air 4C vs Note Air 5C: Should You Upgrade? | Einktab"
mirrored_at: 2026-08-24T13:03:03.545Z
host: einktab.ca
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---

> **Original source:** https://einktab.ca/boox-note-air-4c-vs-note-air-5c-should-you-keep-your-4c-or-upgrade-to-5c/

## Comparison Table: BOOX Note Air 4C vs Note Air 5C

**Feature**

**BOOX Note Air 4C**

**BOOX Note Air 5C**

Display

10.3″ E Ink Kaleido 3 (color)

10.3″ E Ink Kaleido 3 (enhanced)

Contrast & Refresh

Good

Higher contrast, smoother refresh

Front Light

Adjustable

Improved light uniformity

Processor

Standard

Upgraded, faster

RAM

6 GB

6 GB

Operating System

Android 13

Android 15

PDF Performance

Smooth

Faster with large PDFs

Stylus Support

Standard Pen support

Pen 3 with reduced latency

Writing Latency

Low

Even lower, more paper-like

Handwriting Recognition

Accurate

More precise

Keyboard Support

No

Magnetic keyboard (pogo-pin)

Keyboard USB-C Passthrough

No

Yes

Best Use Case

Reading & light note-taking

Work, study & heavy note-taking

Future-proofing

Limited

Strong (Android 15)