Panasonic
Lumix S1 IIE
Creative full-frame S-series body with 24.2MP BSI sensor, open-gate video, and S1 II ergonomics.
$2,499
Released May 2025
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Lumix S1 IIE is 3.6 years newer.
Wins
Lumix S1 IIE
Wins
Alpha 7 IV
7 categories tied
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TL;DR — Key differences
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 200 frames)
- ALumix S1 IIE has higher Burst (electronic) (30 fps vs 10 fps)
- BAlpha 7 IV has higher Battery life (CIPA) (580 shots vs 350 shots)
- ALumix S1 IIE has higher EVF resolution (5,760,000 vs 3,686,400)
- ALumix S1 IIE has higher IBIS effectiveness (8 stops vs 5.5 stops)
Key specs at a glance
Size and weight, to scale
Lumix S1 IIE
134 × 102 × 92 mm
800 g (1.76 lb / 28.22 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Lumix S1 IIE is 3mm wider, 6mm taller, and 12mm thicker than Alpha 7 IV.
Lumix S1 IIE is 142 g heavier than Alpha 7 IV.
Depth (front-to-back): 92mm Lumix S1 IIE · 80mm Alpha 7 IV
Sensor size, to scale
Lumix S1 IIE
35.6 × 23.8 mm · Full Frame
847 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
Lumix S1 IIE: mount data unavailable
Alpha 7 IV
✓ 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 IIE
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 91.8
Subject recognition
Adds Face, Eye, Car…
Burst (electronic)
30 fps vs 10 fps — higher is better
Codecs
Adds Apple ProRes 422 HQ, MOV, MP4
Pre-Capture / Pre-Release
Only Lumix S1 IIE supports it
Card types
Adds CFexpress Type B
EVF resolution
5,760,000 vs 3,686,400 — higher is better
Reasons to choose
Alpha 7 IV
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 200 frames — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
AA filter
Only Alpha 7 IV supports it
Card types
Adds CFexpress Type A
Battery life (CIPA)
580 shots vs 350 shots — higher is better
Resolution
33 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 51,200
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 10 fps
- ✓4K max frame rate — Both 60 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S1 IIE
Pros
- ✓24.2MP full-frame BSI sensor
- ✓6K open gate
- ✓Phase Hybrid AF
- ✓Tilt/free-angle monitor
Cons
- –Less speed than S1 II
- –Premium over S5 II
- –L-mount lens size
Alpha 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Decided which one is right for you?
Compare live prices for the Lumix S1 IIE and Alpha 7 IV at major authorized retailers.
Panasonic Lumix S1 IIE
Sony Alpha 7 IV
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix S1 IIE or Alpha 7 IV?
Lumix S1 IIE scores 9.0/10 versus 6.0/10 for Alpha 7 IV — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S1 IIE and Alpha 7 IV?
Lumix S1 IIE is 24.2 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Lumix S1 IIE and Alpha 7 IV have in-body image stabilization?
Lumix S1 IIE has 8-stop in-body image stabilization, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Lumix S1 IIE or the Alpha 7 IV?
Lumix S1 IIE reaches 30 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the Lumix S1 IIE and Alpha 7 IV?
Lumix S1 IIE weighs 800 g and Alpha 7 IV weighs 658 g, so the Alpha 7 IV is 142 g lighter.
Do the Lumix S1 IIE and Alpha 7 IV record 4K video?
Lumix S1 IIE: 6K Open Gate (max), 4K up to 60p. Alpha 7 IV: 4K up to 60p.
Are the Lumix S1 IIE and Alpha 7 IV weather sealed?
Lumix S1 IIE: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Lumix S1 IIE and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.
How much does each cost?
Both launched at $2,499.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Panasonic and Sony press materials.