Panasonic
Lumix S1
Original L-mount full-frame hybrid that launched the S series.
$2,499
Released Feb 2019
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 S1
Wins
Alpha 1 II
2 categories tied
Check current prices
Compare today's discounts, bundled lenses, and refurbished offers at the major authorized retailers for both cameras:
As an affiliate, Cameraegg may earn from qualifying purchases at no extra cost to you.
TL;DR — Key differences
- 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 RAW buffer depth (200 frames vs 90 frames)
- BAlpha 1 II has higher Resolution (50.1 MP vs 24.2 MP)
- BAlpha 1 II has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
Lumix S1
149 × 110 × 97 mm
1021 g (2.25 lb / 36.01 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix S1 is 13mm wider, 13mm taller, and 14mm thicker than Alpha 1 II.
Lumix S1 is 278 g heavier than Alpha 1 II.
Depth (front-to-back): 97mm Lumix S1 · 83mm Alpha 1 II
Sensor size, to scale
Lumix S1
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: 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
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 148.9, 110, 96.7
Card types
Adds CFexpress Type B, XQD
Codecs
Adds MOV, MP4, AVCHD
Subject recognition
Adds Face, Eye
ISO max (native)
51,200 vs 32,000 — higher is better
Max video bit rate
200 Mbps vs 150 Mbps — higher is better
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
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…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
RAW buffer depth
200 frames vs 90 frames — higher is better
Resolution
50.1 MP vs 24.2 MP — higher is better
AA filter
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
- ✓Internal RAW video — Both support internal raw video
- ✓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 S1
Pros
- ✓Rugged build
- ✓Dual slots
- ✓Strong video
Cons
- –Older AF
- –Heavy
- –Superseded by S5 II
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 and Alpha 1 II at major authorized retailers.
Panasonic Lumix S1
Sony Alpha 1 II
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix S1 or Alpha 1 II?
Alpha 1 II scores 9.0/10 versus 3.5/10 for Lumix S1 — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S1 and Alpha 1 II?
Lumix S1 is 24.2 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 and Alpha 1 II have in-body image stabilization?
Lumix S1 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 S1 or the Alpha 1 II?
Lumix S1 reaches 9 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix S1 and Alpha 1 II?
Lumix S1 weighs 1021 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 278 g lighter.
Do the Lumix S1 and Alpha 1 II record 4K video?
Lumix S1: 6K (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix S1 and Alpha 1 II weather sealed?
Lumix S1: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 400 shots (CIPA) for the Lumix S1 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix S1 launched at $2,499 and Alpha 1 II at $6,499. The Lumix S1 is $4,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.