Upgrade Guide

Canon EOS R6 Mark III→Canon EOS M

Is it worth upgrading? Spec analysis, key improvements, and our verdict.

You own

Canon

EOS R6 Mark III

£2799

2025

→

Upgrade to

Canon

EOS M

£80 (-£2,719)

2012

❌

Skip it

The EOS M offers little measurable spec improvement over the EOS R6 Mark III. Spend the money on glass instead.

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	EOS R6 Mark III	EOS M
Price	£2,799	£80
Released	2025	2012	↓
Sensor	32.5MP full-frame stacked CMOS	18MP APS-C CMOS
Resolution	32MP	18MP	↓
Video	4K 60fps oversampled from 7K, 6K RAW internal	1080p 30fps
Autofocus	Dual Pixel CMOS AF II — deep-learning subject detection for people, animals and vehicles, up to 40fps tracking	Contrast-detect AF only — notoriously slow
Stabilisation	In-body 5-axis IS, up to 8.5 stops	—
Burst Rate	40fps (electronic shutter), 12fps (mechanical)	4fps	↓
Battery Life	~580 shots (CIPA, LP-E6P)	~230 shots (CIPA)	↓
Weight	670g (body with battery and card)	262g (body only)	↑
Weather Sealed	Yes	No	↓
Viewfinder	EVF, 5.76M-dot, up to 120fps	None (optional EVF accessory)
Screen	3.2-inch vari-angle touchscreen, 2.1M-dot	3.0" fixed touchscreen, 1.04M dots
Mount	Canon RF	Canon EF-M mount
Memory Cards	Dual SD / SDHC / SDXC (UHS-II)	1× SD/SDHC/SDXC

Compare side-by-side

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