Panasonic
Lumix S9
Compact full-frame L-mount for creators with LUT and social-first features.
$1,499
Released May 2024
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 6 months newer.
Wins
Lumix S9
Wins
Alpha 1 II
3 categories tied
TL;DR — Key differences
- BAlpha 1 II has higher Burst (mechanical) (10 fps vs 0 fps)
- 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)
- BAlpha 1 II has higher Card slots (2 vs 1)
- BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 5 stops)
Key specs at a glance
Size and weight, to scale
Lumix S9
126 × 74 × 47 mm
486 g (1.07 lb / 17.14 oz)
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix S9 is 10mm narrower, 23mm shorter, and 36mm thinner than Alpha 1 II.
Lumix S9 is 257 g lighter than Alpha 1 II.
Depth (front-to-back): 47mm Lumix S9 · 83mm Alpha 1 II
Sensor size, to scale
Lumix S9
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 S9: 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 S9
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 126, 73.9, 46.7
Subject recognition
Adds Face, Eye, Car…
Codecs
Adds MOV, MP4
ISO max (native)
51,200 vs 32,000 — higher is better
Weight
486 g vs 743 g — lower 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
Burst (mechanical)
10 fps vs 0 fps — higher is better
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 24.2 MP — higher is better
AA filter
Only Alpha 1 II supports it
Pre-Capture / Pre-Release
Only Alpha 1 II supports it
4K max frame rate
120 fps vs 60 fps — 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
- ✓RAW buffer depth — Both 200 frames
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S9
Pros
- ✓Ultra compact FF
- ✓Creator LUT features
- ✓Open gate
Cons
- –No EVF
- –Single slot
- –Limited pro controls
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 vlogging, Lumix S9 or Alpha 1 II?
Lumix S9 scores 10.0/10 versus 5.5/10 for Alpha 1 II — Fully articulating screen — see yourself while filming.
What's the resolution difference between the Lumix S9 and Alpha 1 II?
Lumix S9 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 S9 and Alpha 1 II have in-body image stabilization?
Lumix S9 has 5-stop in-body image stabilization, while alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix S9 or the Alpha 1 II?
Lumix S9 reaches 30 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix S9 and Alpha 1 II?
Lumix S9 weighs 486 g and Alpha 1 II weighs 743 g, so the Lumix S9 is 257 g lighter.
Do the Lumix S9 and Alpha 1 II record 4K video?
Lumix S9: 6K Open Gate (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix S9 and Alpha 1 II weather sealed?
Lumix S9: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 470 shots (CIPA) for the Lumix S9 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix S9 launched at $1,499 and Alpha 1 II at $6,499. The Lumix S9 is $5,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.