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Sony A7R III — full-frame · 2017
Sony

Sony A7R III

full-frame · 2017

84
/ 100
From $3,199
VS
Canon EOS R6 Mark II wins by 7
Canon EOS R6 Mark II — full-frame · 2022
Canon

Canon EOS R6 Mark II

full-frame · 2022

91
/ 100
From $2,499
Specdex verdict

Canon EOS R6 Mark II takes it — here’s why.

In our weighted Specdex score, Sony A7R III lands at 84 and Canon EOS R6 Mark II at 91. That puts Canon EOS R6 Mark II ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Sony A7R III if…

  • Mature system, great used market
  • Proven lens lineup
  • Often on sale

Pick Canon EOS R6 Mark II 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 R6 Mark II

Compared on the photo sub-score

Canon EOS R6 Mark II leads on photo (91 vs 84).

Ergonomics

Tie

Compared on the ergonomics sub-score

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

Autofocus

Canon EOS R6 Mark II

Compared on the autofocus sub-score

Canon EOS R6 Mark II leads on autofocus (89 vs 80).

Value for money

Canon EOS R6 Mark II

Specdex score per dollar at MSRP

Canon EOS R6 Mark II more score per dollar ($2,499 vs $3,199).

Sony A7R III 84
vs
91 Canon EOS R6 Mark II

Score breakdown

Sony A7R III
84
photo 84
video 76
autofocus 80
ergonomics 86
Canon EOS R6 Mark II
91
photo 91
video 87
autofocus 89
ergonomics 86

Specs side-by-side

Sony A7R III versus Canon EOS R6 Mark II — full spec comparison
Spec Sony A7R III Canon EOS R6 Mark II
Format
full-frame
full-frame
Release year
2017
2022

Sony A7R III

Pros
  • +Mature system, great used market
  • +Proven lens lineup
  • +Often on sale
Cons
  • Older AF system
  • Heavier than modern mirrorless
  • Firmware updates trailed off

Canon EOS R6 Mark II

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: Sony A7R III vs Canon EOS R6 Mark II

Which is better, Sony A7R III or Canon EOS R6 Mark II? +

Canon EOS R6 Mark II scores 91 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.

Is Sony A7R III worth the price? +

At $3,199, Sony A7R III delivers a Specdex score of 84 — strongest in ergonomics.

Is Canon EOS R6 Mark II worth the price? +

At $2,499, Canon EOS R6 Mark II delivers a Specdex score of 91 — strongest in photo.

Does Sony A7R III or Canon EOS R6 Mark II 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, Sony A7R III or Canon EOS R6 Mark II? +

Canon EOS R6 Mark II — leads on photo (91 vs 84). Compared on the photo sub-score.

Which is better for autofocus, Sony A7R III or Canon EOS R6 Mark II? +

Canon EOS R6 Mark II — leads on autofocus (89 vs 80). Compared on the autofocus sub-score.