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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

Launch price

Released Oct 2013

vs

Panasonic

Lumix S1R II

High-resolution 44.3MP full-frame L-mount body with 8K video, phase hybrid AF, and compact S-series ergonomics.

$3,299

Launch price

Released Feb 2025

Lumix S1R II is 11.3 years newer.

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Wins

1categories

Lumix GM1

Wins

12categories

Lumix S1R II

Sports & ActionVideo & Hybrid

2 categories tied

Which would you choose?

TL;DR — Key differences

Lumix GM1 wins 0 categories·Lumix S1R II wins 5 categories
  • BLumix S1R II has higher IBIS effectiveness (8 stops vs 0 stops)
  • BLumix S1R II has higher Max video bit rate (1900 Mbps vs 28 Mbps)
  • BLumix S1R II has higher AF points / zones (779 vs 23)
  • BLumix S1R II has higher RAW buffer depth (70 frames vs 7 frames)
  • BLumix S1R II has higher 1080p max frame rate (240 fps vs 60 fps)

Key specs at a glance

Lumix GM1Lumix S1R II
Resolution16 MP44.3 MP
SensorMFTAPS-C
ISO max25,60051,200
Burst40 fps40 fps
IBISNo8-stop
Weight204 g795 g
Battery230 shots350 shots
4K120 fps

Size and weight, to scale

Lumix GM1

99 × 55 × 30 mm

204 g (0.45 lb / 7.20 oz)

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

Credit card

85.6 × 54 mm

for scale

Lumix S1R II

134 × 102 × 92 mm

795 g (1.75 lb / 28.04 oz)

Lumix GM1 is 36mm narrower, 47mm shorter, and 61mm thinner than Lumix S1R II.

Lumix GM1 is 591 g lighter than Lumix S1R II.

Depth (front-to-back): 30mm Lumix GM1 · 92mm Lumix S1R II

Sensor size, to scale

Lumix GM1

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Lumix S1R II

35.8 × 23.9 mm · Full Frame

856 mm² area

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

Lens ecosystem

Native lens selection

Lumix GM1

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Lumix S1R II: mount data unavailable

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 GM1Lumix S1R II
Portrait
3.0Limited
8.5Excellent✓ wins
Sports & Action
4.5Fair
10.0Excellent✓ wins
Video & Hybrid
1.0Limited
9.5Excellent✓ wins
Landscape
0.0Limited
8.5Excellent✓ wins
Travel
3.5Limited
4.5Fair✓ wins
Wildlife
4.0Fair
8.0Excellent✓ 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 795 g — lower is better

  • Codecs

    Adds AVCHD

Reasons to choose

Lumix S1R II

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • IBIS effectiveness

    8 stops vs 0 stops — higher is better

  • Dimensions (W×H×D mm)

    Adds 134.3, 102.3, 91.8

  • Card types

    Adds CFexpress Type B, SD UHS-II

  • Max video bit rate

    1900 Mbps vs 28 Mbps — higher is better

  • AF points / zones

    779 vs 23 — higher is better

  • RAW buffer depth

    70 frames vs 7 frames — higher is better

  • 1080p max frame rate

    240 fps vs 60 fps — higher is better

Both cameras share

  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (electronic)Both 40 fps
  • 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

Lumix S1R II

Pros

  • 44.3MP full-frame BSI sensor
  • 8K video
  • Phase Hybrid AF
  • CFexpress plus SD workflow

Cons

  • Large high-res files
  • Premium price
  • L-mount lens size

Decided which one is right for you?

Compare live prices for the Lumix GM1 and Lumix S1R II 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 GM1
Lumix S1R II
Resolution
16 MP
44.3 MP2.8× more
Sensor type
Four Thirds Live MOS
35mm Full-Frame BSI CMOS
Sensor size
17.3 x 13.0 mm
35.8 x 23.9 mm
AA filter
No
No
Lumix GM1
Lumix S1R II
Processor
Venus Engine
Venus Engine
Lumix GM1
Lumix S1R II
ISO min (native)
200
80−120 less
ISO max (native)
25,600
51,200+1 stop
ISO max (expanded)
25,600
102,400
Lumix GM1
Lumix S1R II
Shutter type
Focal-plane mechanical + electronic shutter
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/500 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, Lumix GM1 or Lumix S1R II?

Lumix S1R II scores 9.5/10 versus 1.0/10 for Lumix GM1 — 8K recording for future-proof footage.

What's the resolution difference between the Lumix GM1 and Lumix S1R II?

Lumix GM1 is 16 MP and Lumix S1R II is 44.3 MP, so the Lumix S1R II captures more detail for cropping and large prints.

Do the Lumix GM1 and Lumix S1R II have in-body image stabilization?

Lumix GM1 does not have IBIS, while Lumix S1R II has 8-stop in-body image stabilization.

Which shoots faster bursts — the Lumix GM1 or the Lumix S1R II?

Lumix GM1 reaches 40 fps electronic. Lumix S1R II reaches 40 fps electronic.

What's the weight difference between the Lumix GM1 and Lumix S1R II?

Lumix GM1 weighs 204 g and Lumix S1R II weighs 795 g, so the Lumix GM1 is 591 g lighter.

Do the Lumix GM1 and Lumix S1R II record 4K video?

Lumix GM1: Full HD. Lumix S1R II: 8K (max), 4K up to 120p.

Are the Lumix GM1 and Lumix S1R II weather sealed?

Lumix GM1: No. Lumix S1R II: Yes.

Which has better battery life?

Rated battery life is 230 shots (CIPA) for the Lumix GM1 and 350 shots for the Lumix S1R II, giving the Lumix S1R II the edge.

How much does each cost?

Lumix GM1 launched at $749 and Lumix S1R II at $3,299. The Lumix GM1 is $2,550 less.

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

Add any camera to get a three-way Lumix GM1 vs Lumix S1R II vs X comparison.

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