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Panasonic

Lumix GM1

One of the smallest Micro Four Thirds cameras ever made, with a 16MP sensor and pocketable design.

$749

Released Oct 2013

vs
Alpha 1 II

Sony

Alpha 1 II

50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.

$6,499

Released Nov 2024

Alpha 1 II is 11.1 years newer.

Wins

3categories

Lumix GM1

Wins

10categories

Alpha 1 II

Video & HybridWildlife

1 categories tied

TL;DR — Key differences

Lumix GM1 wins 1 categories·Alpha 1 II wins 4 categories
  • BAlpha 1 II has higher IBIS effectiveness (8.5 stops vs 0 stops)
  • BAlpha 1 II has higher AF points / zones (759 vs 23)
  • BAlpha 1 II has higher RAW buffer depth (200 frames vs 7 frames)
  • BAlpha 1 II has higher Max video bit rate (150 Mbps vs 28 Mbps)
  • ALumix GM1 has lower Weight (204 g vs 743 g)

Key specs at a glance

Lumix GM1Alpha 1 II
Resolution16 MP50.1 MP
SensorMFTFull Frame
ISO max25,60032,000
Burst40 fps30 fps
IBISNo8.5-stop
Weight204 g743 g
Battery230 shots520 shots
4K120 fps

Size and weight, to scale

Lumix GM1

99 × 55 × 30 mm

204 g (0.45 lb / 7.20 oz)

Alpha 1 II front view

Alpha 1 II

136 × 97 × 83 mm

743 g (1.64 lb / 26.21 oz)

Lumix GM1 is 38mm narrower, 42mm shorter, and 53mm thinner than Alpha 1 II.

Lumix GM1 is 539 g lighter than Alpha 1 II.

Depth (front-to-back): 30mm Lumix GM1 · 83mm Alpha 1 II

Sensor size, to scale

Lumix GM1

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Alpha 1 II

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

Lumix GM1

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Alpha 1 II

✓ 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 GM1Alpha 1 II
Portrait
3.0Limited
8.5Excellent✓ wins
Sports & Action
4.0Fair
9.0Excellent✓ wins
Video & Hybrid
1.0Limited
9.5Excellent✓ wins
Landscape
0.0Limited
9.0Excellent✓ wins
Travel
3.5Limited
6.0Good✓ wins
Wildlife
4.0Fair
9.5Excellent✓ wins
Vlogging
3.0Limited
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Lumix GM1

  • Dimensions (W×H×D mm)

    Adds 98.5, 54.9, 30.4

  • Card types

    Adds microSD

  • Weight

    204 g vs 743 g — lower is better

  • Codecs

    Adds MP4, AVCHD

  • Subject recognition

    Adds Face, Eye

  • Burst (electronic)

    40 fps vs 30 fps — higher is better

  • AF frame coverage

    100 % vs 94 % — higher is better

Reasons to choose

Alpha 1 II

  • IBIS effectiveness

    8.5 stops vs 0 stops — higher is better

  • Dimensions (W×H×D mm)

    Adds 136.1, 96.9, 82.9

  • Card types

    Adds CFexpress Type A, SD UHS-II

  • AF points / zones

    759 vs 23 — higher is better

  • RAW buffer depth

    200 frames vs 7 frames — higher is better

  • Max video bit rate

    150 Mbps vs 28 Mbps — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I…

  • Resolution

    50.1 MP vs 16 MP — higher is better

Both cameras share

  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Lumix GM1

Pros

  • Extremely small
  • 16MP MFT sensor
  • Interchangeable lenses

Cons

  • No EVF
  • No 4K
  • Tiny controls

Alpha 1 II

Pros

  • 50MP stacked sensor
  • 30fps blackout-free burst
  • 8K 30p video
  • Best Sony AF

Cons

  • Very expensive
  • Complex menus
  • Large files

Full specifications

= category winner

Lumix GM1
Alpha 1 II
Resolution
16 MP
50.1 MP3.1× more
Sensor type
Four Thirds Live MOS
Full Frame Stacked Exmor RS CMOS
Sensor size
17.3 x 13.0 mm
35.9 × 24.0 mm
AA filter
No
Yes
Lumix GM1
Alpha 1 II
AF system
Contrast AF with DFD technology
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
23
75933× 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 GM1
Alpha 1 II
Burst (mechanical)
5 fps
10 fps2× more
Burst (electronic)
40 fps+33%
30 fps
Pre-Capture / Pre-Release
No
Yes
RAW buffer depth
7 frames
200 frames28.6× more
Lumix GM1
Alpha 1 II
Max resolution
Full HD
8K
4K max frame rate
120 fps
Max video bit rate
28 Mbps
150 Mbps5.4× more
Internal RAW video
No
Yes
Log profile
None
S-Log3 / HLG / S-Cinetone
Codecs
H.264, MP4, AVCHD
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
Lumix GM1
Alpha 1 II
Weight
204 g−539 g less
743 g
Dimensions (W×H×D mm)
98.5 × 54.9 × 30.4 mm
136.1 × 96.9 × 82.9 mm
Weather sealing
No
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, Lumix GM1 or Alpha 1 II?

Alpha 1 II scores 9.0/10 versus 0.0/10 for Lumix GM1 — 50.1MP — massive detail for large prints.

What's the resolution difference between the Lumix GM1 and Alpha 1 II?

Lumix GM1 is 16 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 GM1 and Alpha 1 II have in-body image stabilization?

Lumix GM1 does not have IBIS, while alpha 1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GM1 or the Alpha 1 II?

Lumix GM1 reaches 40 fps electronic. Alpha 1 II reaches 30 fps electronic.

What's the weight difference between the Lumix GM1 and Alpha 1 II?

Lumix GM1 weighs 204 g and Alpha 1 II weighs 743 g, so the Lumix GM1 is 539 g lighter.

Do the Lumix GM1 and Alpha 1 II record 4K video?

Lumix GM1: Full HD. Alpha 1 II: 8K (max), 4K up to 120p.

Are the Lumix GM1 and Alpha 1 II weather sealed?

Lumix GM1: No. Alpha 1 II: Yes.

Which has better battery life?

Rated battery life is 230 shots (CIPA) for the Lumix GM1 and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.

How much does each cost?

Lumix GM1 launched at $749 and Alpha 1 II at $6,499. The Lumix GM1 is $5,750 less.

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

Product images courtesy of Panasonic and Sony press materials.