Upgrade Guide

Canon EOS R100→Canon Canon EOS R3

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

You own

Canon

EOS R100

£529

2023

→

Upgrade to

Canon

Canon EOS R3

£5999 (+£5,470)

2021

✅

Worthwhile

Clear improvements over the EOS R100. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the Canon EOS R3

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	EOS R100	Canon EOS R3
Price	£529	£5,999
Released	2023	2021	↓
Sensor	24.1MP APS-C CMOS	24.1MP full-frame BSI stacked CMOS
Resolution	24MP	24MP
Video	4K/30p (slight crop), 1080p/60p	6K RAW, 4K/120p, 1080p/180p
Autofocus	Dual Pixel CMOS AF, face detection, subject tracking	Dual Pixel CMOS AF II with Eye Control AF
Stabilisation	None (no IBIS)	8-stop IBIS
Burst Rate	6.5fps mechanical	30fps electronic / 12fps mechanical	↑
Battery Life	~270 shots (CIPA)	620 shots (CIPA)	↑
Weight	356g (body, battery, card)	1015g body only	↓
Weather Sealed	No	Yes	↑
Viewfinder	EVF, 2.36M dots, 0.59× magnification	0.76" OLED EVF, 5.76M dots, 120fps
Screen	3.0" fixed touchscreen, 1.04M dots	3.2" fully articulating touchscreen
Mount	Canon RF-mount	Canon RF
Memory Cards	Single SD UHS-II	Dual CFexpress Type B

Compare side-by-side

See EOS R100 and Canon EOS R3 next to each other with our interactive comparison tool.

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Other upgrades from the EOS R100

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Camera family history