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Canon 5D Mark III — full-frame DSLR · 2012
Canon

Canon 5D Mark III

full-frame DSLR · 2012

78
/ 100
From $3,499
VS
Sony A6400 — APS-C · 2019
Sony

Sony A6400

APS-C · 2019

78
/ 100
From $899
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Canon 5D Mark III lands at 78 and Sony A6400 at 78. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Canon 5D Mark III if…

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

Pick Sony A6400 if…

  • ✓Mature system, great used market
  • ✓Proven lens lineup
  • ✓Often on sale
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Winner by scenario

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

Ergonomics

Tie

Compared on the ergonomics sub-score

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

Photo

Tie

Compared on the photo sub-score

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

Autofocus

Tie

Compared on the autofocus sub-score

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

Value for money

Sony A6400

Specdex score per dollar at MSRP

Sony A6400 more score per dollar ($899 vs $3,499).

Canon 5D Mark III 78
vs
78 Sony A6400

Score breakdown

Canon 5D Mark III
78
photo 78
video 70
autofocus 74
ergonomics 86
Sony A6400
78
photo 78
video 70
autofocus 74
ergonomics 86

Specs side-by-side

Canon 5D Mark III versus Sony A6400 — full spec comparison
Spec Canon 5D Mark III Sony A6400
Format
full-frame DSLR
APS-C
Release year
2012
2019

Canon 5D Mark 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

Sony A6400

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

FAQ: Canon 5D Mark III vs Sony A6400

Which is better, Canon 5D Mark III or Sony A6400? +

Both score 78 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Canon 5D Mark III worth the price? +

At $3,499, Canon 5D Mark III delivers a Specdex score of 78 — strongest in ergonomics.

Is Sony A6400 worth the price? +

At $899, Sony A6400 delivers a Specdex score of 78 — strongest in ergonomics.

Does Canon 5D Mark III or Sony A6400 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 the better value, Canon 5D Mark III or Sony A6400? +

Sony A6400 — more score per dollar ($899 vs $3,499). Specdex score per dollar at MSRP.