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Panasonic Lumix S5 IIX — full-frame · 2023
Panasonic

Panasonic Lumix S5 IIX

full-frame · 2023

87
/ 100
From $2,199
VS
Sony A7S III wins by 4
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 S5 IIX lands at 87 and Sony A7S III at 91. That puts Sony A7S III ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Panasonic Lumix S5 IIX if…

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

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

Photo

Sony A7S III

Compared on the photo sub-score

Sony A7S III leads on photo (91 vs 87).

Autofocus

Sony A7S III

Compared on the autofocus sub-score

Sony A7S III leads on autofocus (89 vs 85).

Ergonomics

Tie

Compared on the ergonomics sub-score

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

Value for money

Panasonic Lumix S5 IIX

Specdex score per dollar at MSRP

Panasonic Lumix S5 IIX more score per dollar ($2,199 vs $3,498).

Panasonic Lumix S5 IIX 87
vs
91 Sony A7S III

Score breakdown

Panasonic Lumix S5 IIX
87
photo 87
video 83
autofocus 85
ergonomics 86
Sony A7S III
91
photo 91
video 87
autofocus 89
ergonomics 86

Specs side-by-side

Panasonic Lumix S5 IIX versus Sony A7S III — full spec comparison
Spec Panasonic Lumix S5 IIX Sony A7S III
Format
full-frame
full-frame
Release year
2023
2020

Panasonic Lumix S5 IIX

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 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 S5 IIX vs Sony A7S III

Which is better, Panasonic Lumix S5 IIX or Sony A7S III? +

Sony A7S III scores 91 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Panasonic Lumix S5 IIX worth the price? +

At $2,199, Panasonic Lumix S5 IIX delivers a Specdex score of 87 — strongest in photo.

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 S5 IIX 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 S5 IIX or Sony A7S III? +

Sony A7S III — leads on photo (91 vs 87). Compared on the photo sub-score.

Which is better for autofocus, Panasonic Lumix S5 IIX or Sony A7S III? +

Sony A7S III — leads on autofocus (89 vs 85). Compared on the autofocus sub-score.