Skip to content
Specdex
Compare now
Panasonic Lumix S5 IIX — full-frame · 2023
Panasonic

Panasonic Lumix S5 IIX

full-frame · 2023

87
/ 100
From $2,199
VS
Sony FX3 wins by 3
Sony FX3 — full-frame · 2021
Sony

Sony FX3

full-frame · 2021

90
/ 100
From $3,898
Specdex verdict

Sony FX3 takes it — here’s why.

In our weighted Specdex score, Panasonic Lumix S5 IIX lands at 87 and Sony FX3 at 90. That puts Sony FX3 ahead by 3 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 FX3 if…

  • ✓Current-gen AF system
  • ✓Proven lens ecosystem
  • ✓Strong video + stills balance
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

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

Photo

Sony FX3

Compared on the photo sub-score

Sony FX3 leads on photo (90 vs 87).

Autofocus

Sony FX3

Compared on the autofocus sub-score

Sony FX3 leads on autofocus (88 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 $3,898).

Panasonic Lumix S5 IIX 87
vs
90 Sony FX3

Score breakdown

Panasonic Lumix S5 IIX
87
photo 87
video 83
autofocus 85
ergonomics 86
Sony FX3
90
photo 90
video 86
autofocus 88
ergonomics 86

Specs side-by-side

Panasonic Lumix S5 IIX versus Sony FX3 — full spec comparison
Spec Panasonic Lumix S5 IIX Sony FX3
Format
full-frame
full-frame
Release year
2023
2021

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 FX3

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 FX3

Which is better, Panasonic Lumix S5 IIX or Sony FX3? +

Sony FX3 scores 90 on our weighted rubric — ahead by 3. 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 FX3 worth the price? +

At $3,898, Sony FX3 delivers a Specdex score of 90 — strongest in photo.

Does Panasonic Lumix S5 IIX or Sony FX3 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 FX3? +

Sony FX3 — leads on photo (90 vs 87). Compared on the photo sub-score.

Which is better for autofocus, Panasonic Lumix S5 IIX or Sony FX3? +

Sony FX3 — leads on autofocus (88 vs 85). Compared on the autofocus sub-score.