Panasonic
Lumix S1 II
24MP partially stacked full-frame hybrid with high frame rate video, fast burst shooting, and 15-stop V-Log.
$3,199
Released May 2025
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Released Nov 2024
Lumix S1 II is 6 months newer.
Wins
Lumix S1 II
Wins
Alpha 1 II
5 categories tied
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TL;DR — Key differences
- ALumix S1 II has higher Max video bit rate (1900 Mbps vs 150 Mbps)
- ALumix S1 II has higher Burst (electronic) (70 fps vs 30 fps)
- BAlpha 1 II has higher Resolution (50.1 MP vs 24.1 MP)
- BAlpha 1 II has higher EVF refresh rate (240 Hz vs 120 Hz)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 5,760,000)
Key specs at a glance
Size and weight, to scale
Lumix S1 II
134 × 102 × 92 mm
800 g (1.76 lb / 28.22 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix S1 II is 2mm narrower than Alpha 1 II but it is also 5mm taller and 9mm thicker.
Lumix S1 II is 57 g heavier than Alpha 1 II.
Depth (front-to-back): 92mm Lumix S1 II · 83mm Alpha 1 II
Sensor size, to scale
Lumix S1 II
35.6 × 23.8 mm · Full Frame
847 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Lumix S1 II: 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 S1 II
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 91.8
Max video bit rate
1900 Mbps vs 150 Mbps — higher is better
Subject recognition
Adds Face, Eye, Car…
Codecs
Adds Apple ProRes RAW, Apple ProRes 422 HQ, MOV…
Burst (electronic)
70 fps vs 30 fps — higher is better
Card types
Adds CFexpress Type B
ISO max (native)
51,200 vs 32,000 — higher is better
Reasons to choose
Alpha 1 II
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Subject recognition
Adds Bird, Insect, Car/Train…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Resolution
50.1 MP vs 24.1 MP — higher is better
AA filter
Only Alpha 1 II supports it
Card types
Adds CFexpress Type A
EVF refresh rate
240 Hz vs 120 Hz — higher is better
EVF resolution
9,437,184 vs 5,760,000 — 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 (mechanical) — Both 10 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓RAW buffer depth — Both 200 frames
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S1 II
Pros
- ✓Partially stacked full-frame sensor
- ✓6K open-gate video
- ✓4K 120p
- ✓Fast Phase Hybrid AF
Cons
- –Premium hybrid body
- –24MP stills resolution
- –Large L-mount lenses
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the Lumix S1 II and Alpha 1 II at major authorized retailers.
Panasonic Lumix S1 II
Sony Alpha 1 II
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Lumix S1 II or Alpha 1 II?
Alpha 1 II scores 9.0/10 versus 7.0/10 for Lumix S1 II — 50.1MP — massive detail for large prints.
What's the resolution difference between the Lumix S1 II and Alpha 1 II?
Lumix S1 II is 24.1 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 S1 II and Alpha 1 II have in-body image stabilization?
Lumix S1 II has 8-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix S1 II or the Alpha 1 II?
Lumix S1 II reaches 70 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix S1 II and Alpha 1 II?
Lumix S1 II weighs 800 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 57 g lighter.
Do the Lumix S1 II and Alpha 1 II record 4K video?
Lumix S1 II: 6K Open Gate (max), 4K up to 120p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix S1 II and Alpha 1 II weather sealed?
Lumix S1 II: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Lumix S1 II and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix S1 II launched at $3,199 and Alpha 1 II at $6,499. The Lumix S1 II is $3,300 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.