Panasonic
Lumix S5 IIX
Video-first full-frame body with internal ProRes and phase-detect AF.
$2,199
Released May 2023
Sony
Alpha 7R VI
66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.
$4,499
Released Jun 2026
Alpha 7R VI is 3.1 years newer.
Wins
Lumix S5 IIX
Wins
Alpha 7R VI
4 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.2 MP)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 3,680,000)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 60 fps)
- BAlpha 7R VI has higher Battery life (CIPA) (600 shots vs 370 shots)
- ALumix S5 IIX has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
Lumix S5 IIX
134 × 102 × 90 mm
740 g (1.63 lb / 26.10 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Lumix S5 IIX is 2mm wider, 5mm taller, and 7mm thicker than Alpha 7R VI.
Lumix S5 IIX is 27 g heavier than Alpha 7R VI.
Depth (front-to-back): 90mm Lumix S5 IIX · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix S5 IIX
134 × 102 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix S5 IIX
134 × 90 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
Lumix S5 IIX
35.6 × 23.8 mm · Full Frame
847 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Lumix S5 IIX: mount data unavailable
Alpha 7R VI
✓ more lensesSony E
350+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
Lumix S5 IIX
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 90.1
Card types
Adds SD UHS-II, SD UHS-II, USB-SSD
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, MOV…
Subject recognition
Adds Face, Car, Motorcycle
Internal RAW video
Only Lumix S5 IIX supports it
Weather sealing
Only Lumix S5 IIX supports it
ISO max (native)
51,200 vs 32,000 — higher is better
RAW buffer depth
200 frames vs 150 frames — higher is better
Reasons to choose
Alpha 7R VI
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
Resolution
66.8 MP vs 24.2 MP — higher is better
EVF resolution
9,437,184 vs 3,680,000 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Subject recognition
Adds Bird, Insect, Vehicle
4K max frame rate
120 fps vs 60 fps — higher is better
Battery life (CIPA)
600 shots vs 370 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 30 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Card slots — Both 2
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S5 IIX
Pros
- ✓Internal Apple ProRes 422 HQ recording
- ✓First Lumix with phase-detect AF
- ✓6K open gate video (3:2 full-sensor)
- ✓4K 120p slow-motion
Cons
- –24.2MP limits still resolution vs. A7 IV
- –AF still trails Canon/Sony in tracking speed
- –Large body for 24MP
Alpha 7R VI
Pros
- ✓66.8MP fully-stacked Exmor RS sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓8.5-stop in-body stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, Lumix S5 IIX or Alpha 7R VI?
Lumix S5 IIX scores 8.0/10 versus 5.5/10 for Alpha 7R VI — Fully articulating screen — see yourself while filming.
What's the resolution difference between the Lumix S5 IIX and Alpha 7R VI?
Lumix S5 IIX is 24.2 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the Lumix S5 IIX and Alpha 7R VI have in-body image stabilization?
Lumix S5 IIX has 5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the Lumix S5 IIX or the Alpha 7R VI?
Lumix S5 IIX reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the Lumix S5 IIX and Alpha 7R VI?
Lumix S5 IIX weighs 740 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 27 g lighter.
Do the Lumix S5 IIX and Alpha 7R VI record 4K video?
Lumix S5 IIX: 6K Open Gate (max), 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the Lumix S5 IIX and Alpha 7R VI weather sealed?
Lumix S5 IIX: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the Lumix S5 IIX and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
Lumix S5 IIX launched at $2,199 and Alpha 7R VI at $4,499. The Lumix S5 IIX is $2,300 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.