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Panasonic

Lumix G100

Compact MFT vlogging camera with directional audio.

$749

Released Jun 2020

vs
Alpha 7 IV

Sony

Alpha 7 IV

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

$2,499

Released Oct 2021

Alpha 7 IV is 1.3 years newer.

Wins

2categories

Lumix G100

Vlogging

Wins

14categories

Alpha 7 IV

PortraitWildlife

2 categories tied

TL;DR — Key differences

Lumix G100 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 270 shots)

Key specs at a glance

Lumix G100Alpha 7 IV
Resolution20.3 MP33 MP
SensorMFTFull Frame
ISO max25,60051,200
Burst10 fps10 fps
4K30 fps60 fps
IBISNo5.5-stop
Weight345 g658 g
Battery270 shots580 shots

Size and weight, to scale

Lumix G100

116 × 83 × 54 mm

345 g (0.76 lb / 12.17 oz)

Alpha 7 IV front view

Alpha 7 IV

131 × 96 × 80 mm

658 g (1.45 lb / 23.21 oz)

Lumix G100 is 16mm narrower, 14mm shorter, and 26mm thinner than Alpha 7 IV.

Lumix G100 is 313 g lighter than Alpha 7 IV.

Depth (front-to-back): 54mm Lumix G100 · 80mm Alpha 7 IV

Sensor size, to scale

Lumix G100

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 G100

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 G100Alpha 7 IV
Portrait
4.0Fair
9.0Excellent✓ wins
Sports & Action
2.5Limited
6.0Good✓ 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 G100

  • Dimensions (W×H×D mm)

    Adds 115.6, 82.5, 54.2

  • Card types

    Adds SD UHS-I

  • Subject recognition

    Adds Face, Eye

  • Codecs

    Adds MP4

  • Weight

    345 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 G100

Pros

  • Compact
  • Good mic
  • Affordable

Cons

  • No IBIS
  • MFT
  • Limited stills

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

Full specifications

= category winner

Lumix G100
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 G100
Alpha 7 IV
AF system
Contrast AF with DFD technology
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
49
75915.5× more
AF frame coverage
100 %+6%
94 %
AF low-light limit
-4 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Face, Eye, Animal
Human, Animal, Bird, Insect, Car/Train, Airplane
Lumix G100
Alpha 7 IV
Burst (mechanical)
6 fps
10 fps+67%
Burst (electronic)
10 fps
10 fps
Pre-Capture / Pre-Release
No
No
RAW buffer depth
20 frames
828 frames41.4× more
Lumix G100
Alpha 7 IV
Max resolution
4K
4K UHD
4K max frame rate
30 fps
60 fps2× more
Max video bit rate
100 Mbps
600 Mbps6× more
Internal RAW video
No
Yes
Log profile
V-Log L
S-Log3 / HLG / S-Cinetone
Codecs
H.264, MP4
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
Lumix G100
Alpha 7 IV
Weight
345 g−313 g less
658 g
Dimensions (W×H×D mm)
115.6 × 82.5 × 54.2 mm
131.3 × 96.4 × 79.8 mm
Weather sealing
No
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix G100 or Alpha 7 IV?

Alpha 7 IV scores 7.5/10 versus 0.0/10 for Lumix G100 — 33MP — ample resolution.

What's the resolution difference between the Lumix G100 and Alpha 7 IV?

Lumix G100 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 G100 and Alpha 7 IV have in-body image stabilization?

Lumix G100 does not have IBIS, while alpha 7 IV has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix G100 or the Alpha 7 IV?

Lumix G100 reaches 10 fps electronic. Alpha 7 IV reaches 10 fps electronic.

What's the weight difference between the Lumix G100 and Alpha 7 IV?

Lumix G100 weighs 345 g and Alpha 7 IV weighs 658 g, so the Lumix G100 is 313 g lighter.

Do the Lumix G100 and Alpha 7 IV record 4K video?

Lumix G100: 4K up to 30p. Alpha 7 IV: 4K up to 60p.

Are the Lumix G100 and Alpha 7 IV weather sealed?

Lumix G100: No. Alpha 7 IV: Yes.

Which has better battery life?

Rated battery life is 270 shots (CIPA) for the Lumix G100 and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.

How much does each cost?

Lumix G100 launched at $749 and Alpha 7 IV at $2,499. The Lumix G100 is $1,750 less.

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

Product images courtesy of Panasonic and Sony press materials.