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Panasonic Lumix GH5 — Micro Four Thirds · 2017
Panasonic

Panasonic Lumix GH5

Micro Four Thirds · 2017

78
/ 100
From $1,999
VS
Sony A7S III wins by 13
Sony A7S III — full-frame · 2020
Sony

Sony A7S III

full-frame · 2020

91
/ 100
From $3,498
Specdex verdict

Sony A7S III takes it — here’s why.

In our weighted Specdex score, Panasonic Lumix GH5 lands at 78 and Sony A7S III at 91. That puts Sony A7S III ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Panasonic Lumix GH5 if…

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

Pick Sony A7S 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

Ergonomics

Tie

Compared on the ergonomics sub-score

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

Photo

Sony A7S III

Compared on the photo sub-score

Sony A7S III leads on photo (91 vs 78).

Autofocus

Sony A7S III

Compared on the autofocus sub-score

Sony A7S III leads on autofocus (89 vs 74).

Value for money

Panasonic Lumix GH5

Specdex score per dollar at MSRP

Panasonic Lumix GH5 more score per dollar ($1,999 vs $3,498).

Panasonic Lumix GH5 78
vs
91 Sony A7S III

Score breakdown

Panasonic Lumix GH5
78
photo 78
video 70
autofocus 74
ergonomics 86
Sony A7S III
91
photo 91
video 87
autofocus 89
ergonomics 86

Specs side-by-side

Panasonic Lumix GH5 versus Sony A7S III — full spec comparison
Spec Panasonic Lumix GH5 Sony A7S III
Format
Micro Four Thirds
full-frame
Release year
2017
2020

Panasonic Lumix GH5

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 A7S 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: Panasonic Lumix GH5 vs Sony A7S III

Which is better, Panasonic Lumix GH5 or Sony A7S III? +

Sony A7S III scores 91 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.

Is Panasonic Lumix GH5 worth the price? +

At $1,999, Panasonic Lumix GH5 delivers a Specdex score of 78 — strongest in ergonomics.

Is Sony A7S III worth the price? +

At $3,498, Sony A7S III delivers a Specdex score of 91 — strongest in photo.

Does Panasonic Lumix GH5 or Sony A7S 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, Panasonic Lumix GH5 or Sony A7S III? +

Sony A7S III — leads on photo (91 vs 78). Compared on the photo sub-score.

Which is better for autofocus, Panasonic Lumix GH5 or Sony A7S III? +

Sony A7S III — leads on autofocus (89 vs 74). Compared on the autofocus sub-score.