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Canon EOS R5 Mark II — 45 MP stacked · 8K60 RAW · AI detection
Canon

Canon EOS R5 Mark II

45 MP stacked · 8K60 RAW · AI detection

95
/ 100
From $4,299
VS
Canon EOS R5 Mark II wins by 1
Sony α9 III — Global shutter · 24.6 MP · 120fps
Sony

Sony α9 III

Global shutter · 24.6 MP · 120fps

94
/ 100
From $5,999
Specdex verdict

Canon EOS R5 Mark II takes it — here’s why.

In our weighted Specdex score, Canon EOS R5 Mark II lands at 95 and Sony α9 III at 94. That puts Canon EOS R5 Mark II ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon EOS R5 Mark II if…

  • ✓8K 60p RAW internal recording
  • ✓Next-gen AI subject detection (5,850 AF points, 100% coverage)
  • ✓Up to 30 fps electronic burst

Pick Sony α9 III if…

  • ✓First full-frame global-shutter camera
  • ✓120 fps at full resolution (14-bit RAW)
  • ✓Sync flash to any shutter speed up to 1/80000 s
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Video

Canon EOS R5 Mark II

Compared on the video sub-score

Canon EOS R5 Mark II leads on video (96 vs 92).

Ergonomics

Tie

Compared on the ergonomics sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Canon EOS R5 Mark II

Specdex score per dollar at MSRP

Canon EOS R5 Mark II more score per dollar ($4,299 vs $5,999).

Canon EOS R5 Mark II 95
vs
94 Sony α9 III

Score breakdown

Canon EOS R5 Mark II
95
photo 96
video 96
autofocus 98
ergonomics 92
sensor 0
af 0
build 0
Sony α9 III
94
photo 0
video 92
autofocus 0
ergonomics 92
sensor 92
af 100
build 92

Specs side-by-side

Canon EOS R5 Mark II versus Sony α9 III — full spec comparison
Spec Canon EOS R5 Mark II Sony α9 III
Sensor
45 MP BSI stacked CMOS
24.6 MP global-shutter CMOS
Mount
Canon RF
Sony E
Burst
12 fps mechanical / 30 fps electronic
Up to 120 fps full-res JPG / 14-bit RAW
Video
8K 60p RAW · 4K 120p
Up to 4K (3840×2160) at 120 fps
AF
5,850 user-selectable points, 100% coverage
759 phase-detect points (still) / 627 (video)
ISO
100–51200 (exp. 50–102400)
ISO 250–25600 native (125–51200 extended)
Stabilization
5-axis IBIS
—
Max shutter
—
1/80000 s electronic
Weight
—
702 g (with battery + card)

Canon EOS R5 Mark II

Pros
  • +8K 60p RAW internal recording
  • +Next-gen AI subject detection (5,850 AF points, 100% coverage)
  • +Up to 30 fps electronic burst
Cons
  • −Price jumped from R5
  • −Body heats in extended 8K recording
  • −Battery life modest

Sony α9 III

Pros
  • +First full-frame global-shutter camera
  • +120 fps at full resolution (14-bit RAW)
  • +Sync flash to any shutter speed up to 1/80000 s
Cons
  • −24.6 MP feels conservative for the price
  • −$5,999 body-only
  • −ISO range tops at 25600 native

FAQ: Canon EOS R5 Mark II vs Sony α9 III

Which is better, Canon EOS R5 Mark II or Sony α9 III? +

Canon EOS R5 Mark II scores 95 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.

Is Canon EOS R5 Mark II worth the price? +

At $4,299, Canon EOS R5 Mark II delivers a Specdex score of 95 — strongest in autofocus.

Is Sony α9 III worth the price? +

At $5,999, Sony α9 III delivers a Specdex score of 94 — strongest in af.

Does Canon EOS R5 Mark II or Sony α9 III last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for video, Canon EOS R5 Mark II or Sony α9 III? +

Canon EOS R5 Mark II — leads on video (96 vs 92). Compared on the video sub-score.

Which is the better value, Canon EOS R5 Mark II or Sony α9 III? +

Canon EOS R5 Mark II — more score per dollar ($4,299 vs $5,999). Specdex score per dollar at MSRP.