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Lumix S1 IIE

Panasonic

Lumix S1 IIE

Creative full-frame S-series body with 24.2MP BSI sensor, open-gate video, and S1 II ergonomics.

$2,499

Launch price

Released May 2025

vs
Alpha 7 IV

Sony

Alpha 7 IV

33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.

$2,499

Launch price

Released Oct 2021

Lumix S1 IIE is 3.6 years newer.

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Wins

6categories

Lumix S1 IIE

Sports & ActionPortrait

Wins

6categories

Alpha 7 IV

PortraitWildlife

6 categories tied

Which would you choose?

TL;DR — Key differences

Lumix S1 IIE wins 2 categories·Alpha 7 IV wins 3 categories
  • 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)
  • BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 400 Mbps)

Key specs at a glance

Lumix S1 IIEAlpha 7 IV
Resolution24.2 MP33 MP
SensorAPS-CFull Frame
ISO max51,20051,200
Burst30 fps10 fps
4K59.94 fps60 fps
IBIS8-stop5.5-stop
Weight794 g658 g
Battery350 shots580 shots

Size and weight, to scale

Lumix S1 IIE front view

Lumix S1 IIE

134 × 102 × 92 mm

794 g (1.75 lb / 28.01 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Alpha 7 IV front view

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 136 g heavier than Alpha 7 IV.

Depth (front-to-back): 92mm Lumix S1 IIE · 80mm Alpha 7 IV

Back view, to scale

Width × Height — same proportions as the front of the body.

Lumix S1 IIE back view

Lumix S1 IIE

134 × 102 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 IV back view

Alpha 7 IV

131 × 96 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

Lumix S1 IIE top view

Lumix S1 IIE

134 × 92 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7 IV top view

Alpha 7 IV

131 × 80 mm

Sensor size, to scale

Lumix S1 IIE

35.8 × 23.8 mm · Full Frame

852 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 lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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

Use caseLumix S1 IIEAlpha 7 IV
Portrait
7.5Good
9.0Excellent✓ wins
Sports & Action
9.5Excellent✓ wins
6.5Good
Video & Hybrid
7.5Good
7.5Good
Landscape
7.0Good
7.5Good✓ wins
Travel
5.5Fair
7.0Good✓ wins
Wildlife
6.5Good
8.0Excellent✓ wins
Vlogging
4.5Fair
8.0Excellent✓ wins

Why pick one over the other

Reasons to choose

Lumix S1 IIE

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Subject recognition

    Adds Animals, People, Vehicles

  • Dimensions (W×H×D mm)

    Adds 134.37, 102.36, 91.69

  • Card types

    Adds CFexpress Type B, SD/SDHC/SDXC

  • Burst (electronic)

    30 fps vs 10 fps — higher is better

  • Pre-Capture / Pre-Release

    Only Lumix S1 IIE supports it

  • Codecs

    Adds ProRes RAW, ProRes RAW HQ

  • EVF resolution

    5,760,000 vs 3,686,400 — higher is better

Reasons to choose

Alpha 7 IV

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 131.3, 96.4, 79.8

  • Card types

    Adds CFexpress Type A, SD UHS-II

  • RAW buffer depth

    828 frames vs 200 frames — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • AA filter

    Only Alpha 7 IV supports it

  • Battery life (CIPA)

    580 shots vs 350 shots — higher is better

  • Max video bit rate

    600 Mbps vs 400 Mbps — higher is better

Both cameras share

  • ISO min (native)Both 100
  • ISO max (native)Both 51,200
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (mechanical)Both 10 fps
  • Internal RAW videoBoth support internal raw video

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.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

Lumix S1 IIE
Alpha 7 IV
Resolution
24.2 MP
33 MP+36%
Sensor type
CMOS
Full Frame Exmor R CMOS
Sensor size
35.8 x 23.8
35.9 × 23.9 mm
AA filter
No
Yes
Lumix S1 IIE
Alpha 7 IV
Processor
Venus Engine
BIONZ XR
Lumix S1 IIE
Alpha 7 IV
ISO min (native)
100
100
ISO max (native)
51,200
51,200
ISO max (expanded)
204,800
204,800
Lumix S1 IIE
Alpha 7 IV
Shutter type
Mechanical Focal Plane Shutter and Electronic Rolling Shutter
Mechanical + Electronic
Max mechanical speed
1/8000
1/8000 sec
Max electronic speed
1/16000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for vlogging, Lumix S1 IIE or Alpha 7 IV?

Alpha 7 IV scores 8.0/10 versus 4.5/10 for Lumix S1 IIE — Fully articulating screen — see yourself while filming.

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 794 g and Alpha 7 IV weighs 658 g, so the Alpha 7 IV is 136 g lighter.

Do the Lumix S1 IIE and Alpha 7 IV record 4K video?

Lumix S1 IIE: 6K Open Gate (max), 4K up to 59.94p. 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.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way Lumix S1 IIE vs Alpha 7 IV 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.