Upgrade Guide

Canon EOS R6 Mark II→Canon EOS-1D X Mark III

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

You own

Canon

EOS R6 Mark II

£2099

2022

→

Upgrade to

Canon

EOS-1D X Mark III

£3500 (+£1,401)

2020

✅

Worthwhile

Clear improvements over the EOS R6 Mark II. Whether it justifies the cost depends on which upgrades matter most to your shooting.

What's new in the EOS-1D X Mark III

↑

Burst rate

16fps mechanical, 20fps live view vs 12fps mechanical, 40fps electronic
↑

Battery life

~2850 shots (CIPA) vs ~760 shots (CIPA)

Unchanged or similar

Suitability by genre

Full spec comparison

Spec	EOS R6 Mark II	EOS-1D X Mark III
Price	£2,099	£3,500
Released	2022	2020	↓
Sensor	24.2MP Full-frame BSI CMOS	20.1MP full-frame CMOS
Resolution	24MP	20MP	↓
Video	4K/60p 10-bit oversampled, 6K RAW out, FHD/180p	5.5K RAW, 4K 60fps (crop), 4K 60fps (full-frame via firmware)
Autofocus	Dual Pixel CMOS AF II, 6072 zones, deep-learning subject tracking	191-point all cross-type OVF AF; 525-point Dual Pixel CMOS AF (Live View)
Stabilisation	5-axis IBIS, 8.0 stops (coordinated with IS lenses)	—
Burst Rate	12fps mechanical, 40fps electronic	16fps mechanical, 20fps live view	↑
Battery Life	~760 shots (CIPA)	~2850 shots (CIPA)	↑
Weight	670g body only	1250g (body only)	↓
Weather Sealed	Yes	Yes
Viewfinder	EVF, 3.69M dots, 0.76× magnification	OVF 0.76× magnification, 100% coverage
Screen	3.0" fully articulating touchscreen	3.2" fully articulating touchscreen, 4.15M dots
Mount	Canon RF mount (full-frame)	Canon EF
Memory Cards	Dual SD UHS-II slots	Dual CFexpress Type B slots

Compare side-by-side

See EOS R6 Mark II and EOS-1D X Mark III next to each other with our interactive comparison tool.

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