Panasonic
Lumix S1R II
High-resolution 44.3MP full-frame L-mount body with 8K video, phase hybrid AF, and compact S-series ergonomics.
$3,299
Released Feb 2025
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 1.3 years newer.
Wins
Lumix S1R II
Wins
Alpha 7R VI
3 categories tied
TL;DR — Key differences
- ALumix S1R II has higher Max video bit rate (1900 Mbps vs 600 Mbps)
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 70 frames)
- BAlpha 7R VI has higher Battery life (CIPA) (600 shots vs 350 shots)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 5,760,000)
- ALumix S1R II has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
Lumix S1R II
134 × 102 × 92 mm
795 g (1.75 lb / 28.04 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Lumix S1R II is 2mm wider, 5mm taller, and 9mm thicker than Alpha 7R VI.
Lumix S1R II is 82 g heavier than Alpha 7R VI.
Depth (front-to-back): 92mm Lumix S1R II · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix S1R II
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 S1R II
134 × 92 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
Lumix S1R II
35.8 × 23.9 mm · Full Frame
856 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Lumix S1R II: 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 S1R II
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 91.8
Card types
Adds CFexpress Type B, SD UHS-II
Max video bit rate
1900 Mbps vs 600 Mbps — higher is better
Codecs
Adds Apple ProRes RAW, Apple ProRes 422 HQ, MOV…
Subject recognition
Adds Face, Car, Motorcycle
Pre-Capture / Pre-Release
Only Lumix S1R II supports it
Internal RAW video
Only Lumix S1R II supports it
Weather sealing
Only Lumix S1R II supports it
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
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
RAW buffer depth
150 frames vs 70 frames — higher is better
Subject recognition
Adds Bird, Insect, Vehicle
Battery life (CIPA)
600 shots vs 350 shots — higher is better
EVF resolution
9,437,184 vs 5,760,000 — higher is better
Resolution
66.8 MP vs 44.3 MP — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 120 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S1R II
Pros
- ✓44.3MP full-frame BSI sensor
- ✓8K video
- ✓Phase Hybrid AF
- ✓CFexpress plus SD workflow
Cons
- –Large high-res files
- –Premium price
- –L-mount lens size
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 sports, Lumix S1R II or Alpha 7R VI?
Lumix S1R II scores 8.0/10 versus 5.5/10 for Alpha 7R VI — 40fps burst — pro-level action capture.
What's the resolution difference between the Lumix S1R II and Alpha 7R VI?
Lumix S1R II is 44.3 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 S1R II and Alpha 7R VI have in-body image stabilization?
Lumix S1R II has 8-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the Lumix S1R II or the Alpha 7R VI?
Lumix S1R II reaches 40 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the Lumix S1R II and Alpha 7R VI?
Lumix S1R II weighs 795 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 82 g lighter.
Do the Lumix S1R II and Alpha 7R VI record 4K video?
Lumix S1R II: 8K (max), 4K up to 120p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the Lumix S1R II and Alpha 7R VI weather sealed?
Lumix S1R II: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Lumix S1R II and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
Lumix S1R II launched at $3,299 and Alpha 7R VI at $4,499. The Lumix S1R II is $1,200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.