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Sony A6400 — APS-C · 2019
Sony

Sony A6400

APS-C · 2019

78
/ 100
From $899
VS
Sony A7R V wins by 15
Sony A7R V — full-frame · 2022
Sony

Sony A7R V

full-frame · 2022

93
/ 100
From $3,898
Specdex verdict

Sony A7R V takes it — here’s why.

In our weighted Specdex score, Sony A6400 lands at 78 and Sony A7R V at 93. That puts Sony A7R V ahead by 15 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Sony A6400 if…

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

Pick Sony A7R V 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

Ergonomics

Tie

Compared on the ergonomics sub-score

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

Photo

Sony A7R V

Compared on the photo sub-score

Sony A7R V leads on photo (93 vs 78).

Autofocus

Sony A7R V

Compared on the autofocus sub-score

Sony A7R V leads on autofocus (91 vs 74).

Value for money

Sony A6400

Specdex score per dollar at MSRP

Sony A6400 more score per dollar ($899 vs $3,898).

Sony A6400 78
vs
93 Sony A7R V

Score breakdown

Sony A6400
78
photo 78
video 70
autofocus 74
ergonomics 86
Sony A7R V
93
photo 93
video 89
autofocus 91
ergonomics 86

Specs side-by-side

Sony A6400 versus Sony A7R V — full spec comparison
Spec Sony A6400 Sony A7R V
Format
APS-C
full-frame
Release year
2019
2022

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

Sony A7R V

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 A6400 vs Sony A7R V

Which is better, Sony A6400 or Sony A7R V? +

Sony A7R V scores 93 on our weighted rubric — ahead by 15. Your best pick depends on the sub-scores above.

Is Sony A6400 worth the price? +

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

Is Sony A7R V worth the price? +

At $3,898, Sony A7R V delivers a Specdex score of 93 — strongest in photo.

Does Sony A6400 or Sony A7R V 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 A6400 or Sony A7R V? +

Sony A7R V — leads on photo (93 vs 78). Compared on the photo sub-score.

Which is better for autofocus, Sony A6400 or Sony A7R V? +

Sony A7R V — leads on autofocus (91 vs 74). Compared on the autofocus sub-score.