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Canon EOS R5 — full-frame · 2020
Canon

Canon EOS R5

full-frame · 2020

92
/ 100
From $3,899
VS
Canon EOS R5 wins by 4
Sony A7 III — full-frame · 2018
Sony

Sony A7 III

full-frame · 2018

88
/ 100
From $1,998
Specdex verdict

Canon EOS R5 takes it — here’s why.

In our weighted Specdex score, Canon EOS R5 lands at 92 and Sony A7 III at 88. That puts Canon EOS R5 ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon EOS R5 if…

  • ✓Current-gen AF system
  • ✓Proven lens ecosystem
  • ✓Strong video + stills balance

Pick Sony A7 III if…

  • ✓Current-gen AF system
  • ✓Proven lens ecosystem
  • ✓Strong video + stills balance
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Winner by scenario

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

Photo

Canon EOS R5

Compared on the photo sub-score

Canon EOS R5 leads on photo (92 vs 88).

Autofocus

Canon EOS R5

Compared on the autofocus sub-score

Canon EOS R5 leads on autofocus (90 vs 86).

Video

Canon EOS R5

Compared on the video sub-score

Canon EOS R5 leads on video (88 vs 84).

Value for money

Sony A7 III

Specdex score per dollar at MSRP

Sony A7 III more score per dollar ($1,998 vs $3,899).

Canon EOS R5 92
vs
88 Sony A7 III

Score breakdown

Canon EOS R5
92
photo 92
video 88
autofocus 90
ergonomics 86
Sony A7 III
88
photo 88
video 84
autofocus 86
ergonomics 86

Specs side-by-side

Canon EOS R5 versus Sony A7 III — full spec comparison
Spec Canon EOS R5 Sony A7 III
Format
full-frame
full-frame
Release year
2020
2018

Canon EOS R5

Pros
  • +Current-gen AF system
  • +Proven lens ecosystem
  • +Strong video + stills balance
Cons
  • −Body price excludes lens
  • −Heavy for travel (flagship)
  • −Learning curve on menus

Sony A7 III

Pros
  • +Current-gen AF system
  • +Proven lens ecosystem
  • +Strong video + stills balance
Cons
  • −Body price excludes lens
  • −Heavy for travel (flagship)
  • −Learning curve on menus

FAQ: Canon EOS R5 vs Sony A7 III

Which is better, Canon EOS R5 or Sony A7 III? +

Canon EOS R5 scores 92 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Canon EOS R5 worth the price? +

At $3,899, Canon EOS R5 delivers a Specdex score of 92 — strongest in photo.

Is Sony A7 III worth the price? +

At $1,998, Sony A7 III delivers a Specdex score of 88 — strongest in photo.

Does Canon EOS R5 or Sony A7 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 photo, Canon EOS R5 or Sony A7 III? +

Canon EOS R5 — leads on photo (92 vs 88). Compared on the photo sub-score.

Which is better for autofocus, Canon EOS R5 or Sony A7 III? +

Canon EOS R5 — leads on autofocus (90 vs 86). Compared on the autofocus sub-score.