Panasonic
Lumix GM1
One of the smallest Micro Four Thirds cameras ever made, with a 16MP sensor and pocketable design.
$749
Released Oct 2013
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
Released Feb 2025
Lumix S1R II is 11.3 years newer.
Wins
Lumix GM1
Wins
Lumix S1R II
2 categories tied
TL;DR — Key differences
- 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)
- ALumix GM1 has lower Weight (204 g vs 795 g)
Key specs at a glance
Size and weight, to scale
Lumix GM1
99 × 55 × 30 mm
204 g (0.45 lb / 7.20 oz)
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 lensesMicro Four Thirds
130+
native lenses available
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
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
Codecs
Adds Apple ProRes RAW, Apple ProRes 422 HQ, H.265…
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 40 fps
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both 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
Full specifications
✓ = category winner
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.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.