Panasonic
Lumix GX9
Compact rangefinder-style Micro Four Thirds camera with 20MP sensor, tilting EVF, IBIS, and 4K video.
$999
Released Feb 2018
Panasonic
Lumix S1 II
24MP partially stacked full-frame hybrid with high frame rate video, fast burst shooting, and 15-stop V-Log.
$3,199
Released May 2025
Lumix S1 II is 7.3 years newer.
Wins
Lumix GX9
Wins
Lumix S1 II
1 categories tied
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TL;DR — Key differences
- BLumix S1 II has higher Max video bit rate (1900 Mbps vs 100 Mbps)
- BLumix S1 II has higher AF points / zones (779 vs 49)
- BLumix S1 II has higher Burst (electronic) (70 fps vs 9 fps)
- BLumix S1 II has higher RAW buffer depth (200 frames vs 30 frames)
- BLumix S1 II has higher 4K max frame rate (120 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
Lumix GX9
124 × 72 × 47 mm
450 g (0.99 lb / 15.87 oz)
Lumix S1 II
134 × 102 × 92 mm
800 g (1.76 lb / 28.22 oz)
Lumix GX9 is 10mm narrower, 30mm shorter, and 45mm thinner than Lumix S1 II.
Lumix GX9 is 350 g lighter than Lumix S1 II.
Depth (front-to-back): 47mm Lumix GX9 · 92mm Lumix S1 II
Sensor size, to scale
Lumix GX9
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Lumix S1 II
35.6 × 23.8 mm · Full Frame
847 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Lumix GX9
✓ more lensesMicro Four Thirds
130+
native lenses available
Lumix S1 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 GX9
Dimensions (W×H×D mm)
Adds 124, 72.1, 46.8
Card types
Adds SD UHS-I
Weight
450 g vs 800 g — lower is better
Codecs
Adds AVCHD
Reasons to choose
Lumix S1 II
AF low-light limit
-6 EV vs -4 EV — lower 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 100 Mbps — higher is better
AF points / zones
779 vs 49 — higher is better
Burst (electronic)
70 fps vs 9 fps — higher is better
RAW buffer depth
200 frames vs 30 frames — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix GX9
Pros
- ✓Compact rangefinder body
- ✓20MP MFT sensor
- ✓Tilting EVF
- ✓IBIS
Cons
- –No weather sealing
- –Single card slot
- –Small grip
Lumix S1 II
Pros
- ✓Partially stacked full-frame sensor
- ✓6K open-gate video
- ✓4K 120p
- ✓Fast Phase Hybrid AF
Cons
- –Premium hybrid body
- –24MP stills resolution
- –Large L-mount lenses
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Compare live prices for the Lumix GX9 and Lumix S1 II at major authorized retailers.
Panasonic Lumix GX9
Panasonic Lumix S1 II
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix GX9 or Lumix S1 II?
Lumix S1 II scores 9.0/10 versus 1.5/10 for Lumix GX9 — 70fps burst — pro-level action capture.
What's the resolution difference between the Lumix GX9 and Lumix S1 II?
Lumix GX9 is 20.3 MP and Lumix S1 II is 24.1 MP, so the Lumix S1 II captures more detail for cropping and large prints.
Do the Lumix GX9 and Lumix S1 II have in-body image stabilization?
Lumix GX9 has 4-stop in-body image stabilization, while lumix S1 II has 8-stop in-body image stabilization.
Which shoots faster bursts — the Lumix GX9 or the Lumix S1 II?
Lumix GX9 reaches 9 fps electronic. Lumix S1 II reaches 70 fps electronic.
What's the weight difference between the Lumix GX9 and Lumix S1 II?
Lumix GX9 weighs 450 g and Lumix S1 II weighs 800 g, so the Lumix GX9 is 350 g lighter.
Do the Lumix GX9 and Lumix S1 II record 4K video?
Lumix GX9: 4K up to 30p. Lumix S1 II: 6K Open Gate (max), 4K up to 120p.
Are the Lumix GX9 and Lumix S1 II weather sealed?
Lumix GX9: No. Lumix S1 II: Yes.
Which has better battery life?
Rated battery life is 260 shots (CIPA) for the Lumix GX9 and 350 shots for the Lumix S1 II, giving the Lumix S1 II the edge.
How much does each cost?
Lumix GX9 launched at $999 and Lumix S1 II at $3,199. The Lumix GX9 is $2,200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.