
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Alpha 1 II is 5.8 years newer.
Wins
Lumix S1R
Wins
Alpha 1 II
3 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 40 frames)
- BAlpha 1 II has higher AF points / zones (759 vs 225)
- BAlpha 1 II has higher Burst (electronic) (30 fps vs 9 fps)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
- BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
Key specs at a glance
Size and weight, to scale
Lumix S1R
149 × 110 × 97 mm
1020 g (2.25 lb / 35.98 oz)

Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix S1R is 13mm wider, 13mm taller, and 14mm thicker than Alpha 1 II.
Lumix S1R is 277 g heavier than Alpha 1 II.
Depth (front-to-back): 97mm Lumix S1R · 83mm Alpha 1 II
Sensor size, to scale
Lumix S1R
36 × 24 mm · Full Frame
864 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Lumix S1R: mount data unavailable
Alpha 1 II
✓ 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
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 148.9, 110, 96.7
Codecs
Adds MP4, AVCHD
Subject recognition
Adds Face, Eye
Card types
Adds XQD
AF frame coverage
100 % vs 94 % — higher is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
RAW buffer depth
200 frames vs 40 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
AF points / zones
759 vs 225 — higher is better
Burst (electronic)
30 fps vs 9 fps — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
AA filter
Only Alpha 1 II supports it
Pre-Capture / Pre-Release
Only Alpha 1 II supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S1R
Pros
- ✓47MP
- ✓High detail
- ✓L-mount
Cons
- –Contrast AF era
- –Heavy
- –Superseded
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Lumix S1R or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 3.0/10 for Lumix S1R — 30fps burst captures fleeting moments.
What's the resolution difference between the Lumix S1R and Alpha 1 II?
Lumix S1R is 47.3 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the Lumix S1R and Alpha 1 II have in-body image stabilization?
Lumix S1R has 6-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix S1R or the Alpha 1 II?
Lumix S1R reaches 9 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix S1R and Alpha 1 II?
Lumix S1R weighs 1020 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 277 g lighter.
Do the Lumix S1R and Alpha 1 II record 4K video?
Lumix S1R: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix S1R and Alpha 1 II weather sealed?
Lumix S1R: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 380 shots (CIPA) for the Lumix S1R and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix S1R launched at $3,699 and Alpha 1 II at $6,499. The Lumix S1R is $2,800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.