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Panasonic

LUMIX G100D

Creator-focused MFT vlogging camera with 20.3MP sensor, OZO directional audio, 4K30 video, 2.36M-dot OLED EVF, vari-angle touchscreen, and USB-C — running-change update to G100.

$748

Launch price

Released Dec 2023

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 G100D is 2.1 years newer.

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Wins

2categories

LUMIX G100D

Vlogging

Wins

14categories

Alpha 7 IV

PortraitWildlife

2 categories tied

Which would you choose?

TL;DR — Key differences

LUMIX G100D wins 0 categories·Alpha 7 IV wins 5 categories
  • BAlpha 7 IV has higher IBIS effectiveness (5.5 stops vs 0 stops)
  • BAlpha 7 IV has higher RAW buffer depth (828 frames vs 20 frames)
  • BAlpha 7 IV has higher AF points / zones (759 vs 49)
  • BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 100 Mbps)
  • BAlpha 7 IV has higher Battery life (CIPA) (580 shots vs 280 shots)

Key specs at a glance

LUMIX G100DAlpha 7 IV
Resolution20.3 MP33 MP
SensorMFTFull Frame
ISO max25,60051,200
Burst10 fps10 fps
4K30 fps60 fps
IBISNo5.5-stop
Weight346 g658 g
Battery280 shots580 shots

Size and weight, to scale

LUMIX G100D

116 × 83 × 54 mm

346 g (0.76 lb / 12.20 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 G100D is 16mm narrower, 13mm shorter, and 26mm thinner than Alpha 7 IV.

LUMIX G100D is 312 g lighter than Alpha 7 IV.

Depth (front-to-back): 54mm LUMIX G100D · 80mm Alpha 7 IV

Back view, to scale

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

LUMIX G100D

116 × 83 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 G100D

116 × 54 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 G100D

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 7 IV

35.9 × 23.9 mm · Full Frame

858 mm² area

3.8× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

LUMIX G100D

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

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 G100DAlpha 7 IV
Portrait
4.0Fair
9.0Excellent✓ wins
Sports & Action
3.0Limited
6.5Good✓ wins
Video & Hybrid
3.5Limited
7.5Good✓ wins
Landscape
0.0Limited
7.5Good✓ wins
Travel
3.5Limited
7.0Good✓ wins
Wildlife
3.0Limited
8.0Excellent✓ wins
Vlogging
7.0Good
8.0Excellent✓ wins

Why pick one over the other

Reasons to choose

LUMIX G100D

  • Dimensions (W×H×D mm)

    Adds 115.6, 83.1, 54.2

  • Card types

    Adds SD UHS-I U3

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds MP4

  • Weight

    346 g vs 658 g — lower is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 7 IV

  • IBIS effectiveness

    5.5 stops vs 0 stops — higher is better

  • 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 20 frames — higher is better

  • AF points / zones

    759 vs 49 — higher is better

  • Max video bit rate

    600 Mbps vs 100 Mbps — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Subject recognition

    Adds Bird, Insect, Car/Train…

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (electronic)Both 10 fps
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

LUMIX G100D

Pros

  • Compact 346 g MFT vlogging body
  • OZO Audio by Nokia tracking
  • 4K30 + V-Log L + frame markers
  • 2.36M-dot OLED EVF (upgrade from G100)
  • USB-C port (upgrade from G100)

Cons

  • No in-body stabilization
  • Single UHS-I SD slot
  • Contrast AF only
  • MFT sensor limits low light

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 G100D 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 G100D
Alpha 7 IV
Resolution
20.3 MP
33 MP+63%
Sensor type
Four Thirds Live MOS
Full Frame Exmor R CMOS
Sensor size
17.3 x 13.0 mm
35.9 × 23.9 mm
AA filter
No
Yes
LUMIX G100D
Alpha 7 IV
Processor
Venus Engine
BIONZ XR
LUMIX G100D
Alpha 7 IV
ISO min (native)
200
100−100 less
ISO max (native)
25,600
51,200+1 stop
ISO max (expanded)
25,600
204,800
LUMIX G100D
Alpha 7 IV
Shutter type
Focal-plane mechanical + electronic shutter
Mechanical + Electronic
Max mechanical speed
1/500 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, LUMIX G100D or Alpha 7 IV?

Alpha 7 IV scores 7.5/10 versus 0.0/10 for LUMIX G100D — 33MP — ample resolution.

What's the resolution difference between the LUMIX G100D and Alpha 7 IV?

LUMIX G100D is 20.3 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.

Do the LUMIX G100D and Alpha 7 IV have in-body image stabilization?

LUMIX G100D does not have IBIS, while Alpha 7 IV has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the LUMIX G100D or the Alpha 7 IV?

LUMIX G100D reaches 10 fps electronic. Alpha 7 IV reaches 10 fps electronic.

What's the weight difference between the LUMIX G100D and Alpha 7 IV?

LUMIX G100D weighs 346 g and Alpha 7 IV weighs 658 g, so the LUMIX G100D is 312 g lighter.

Do the LUMIX G100D and Alpha 7 IV record 4K video?

LUMIX G100D: 4K up to 30p. Alpha 7 IV: 4K up to 60p.

Are the LUMIX G100D and Alpha 7 IV weather sealed?

LUMIX G100D: No. Alpha 7 IV: Yes.

Which has better battery life?

Rated battery life is 280 shots (CIPA) for the LUMIX G100D and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.

How much does each cost?

LUMIX G100D launched at $748 and Alpha 7 IV at $2,499. The LUMIX G100D is $1,751 less.

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

Add any camera to get a three-way LUMIX G100D vs Alpha 7 IV vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.

Product images courtesy of Panasonic and Sony press materials.