Panasonic
Lumix S5 IIX
Video-first full-frame body with internal ProRes and phase-detect AF.
$2,199
Launch priceReleased May 2023
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 1.5 years newer.
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Wins
Lumix S5 IIX
Wins
Alpha 1 II
4 categories tied
Which would you choose?
TL;DR — Key differences
- ALumix S5 IIX has higher Max video bit rate (800 Mbps vs 150 Mbps)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 3,680,000)
- 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 EVF refresh rate (240 Hz vs 120 Hz)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareLumix S5 IIX
134 × 102 × 90 mm
740 g (1.63 lb / 26.10 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
Lumix S5 IIX is 2mm narrower than Alpha 1 II but it is also 5mm taller and 7mm thicker.
Lumix S5 IIX is 3 g lighter than Alpha 1 II.
Depth (front-to-back): 90mm Lumix S5 IIX · 83mm Alpha 1 II
Sensor size, to scale
Lumix S5 IIX
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 S5 IIX: 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 S5 IIX
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 90.1
Max video bit rate
800 Mbps vs 150 Mbps — higher is better
Subject recognition
Adds Face, Eye, Car…
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, MOV…
ISO max (native)
51,200 vs 32,000 — higher is better
Card types
Adds USB-SSD
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
Subject recognition
Adds Bird, Insect, Car/Train…
EVF resolution
9,437,184 vs 3,680,000 — higher is better
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
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S5 IIX
Pros
- ✓Internal Apple ProRes 422 HQ recording
- ✓First Lumix with phase-detect AF
- ✓6K open gate video (3:2 full-sensor)
- ✓4K 120p slow-motion
Cons
- –24.2MP limits still resolution vs. A7 IV
- –AF still trails Canon/Sony in tracking speed
- –Large body for 24MP
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 S5 IIX and Alpha 1 II at major authorized retailers.
Panasonic Lumix S5 IIX
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, Lumix S5 IIX or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 6.5/10 for Lumix S5 IIX — 30fps burst captures fleeting moments.
What's the resolution difference between the Lumix S5 IIX and Alpha 1 II?
Lumix S5 IIX 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 S5 IIX and Alpha 1 II have in-body image stabilization?
Lumix S5 IIX 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 S5 IIX or the Alpha 1 II?
Lumix S5 IIX reaches 30 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the Lumix S5 IIX and Alpha 1 II?
Lumix S5 IIX weighs 740 g and Alpha 1 II weighs 743 g, so the Lumix S5 IIX is 3 g lighter.
Do the Lumix S5 IIX and Alpha 1 II record 4K video?
Lumix S5 IIX: 6K Open Gate (max), 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the Lumix S5 IIX and Alpha 1 II weather sealed?
Lumix S5 IIX: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the Lumix S5 IIX and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
Lumix S5 IIX launched at $2,199 and Alpha 1 II at $6,499. The Lumix S5 IIX is $4,300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix S5 IIX vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Panasonic and Sony press materials.