Panasonic
Lumix GX9
Compact rangefinder-style Micro Four Thirds camera with 20MP sensor, tilting EVF, IBIS, and 4K video.
$999
Launch priceReleased Feb 2018
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 priceReleased Feb 2025
Lumix S1R II is 7 years newer.
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Wins
Lumix GX9
Wins
Lumix S1R II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BLumix S1R II has higher Max video bit rate (1900 Mbps vs 100 Mbps)
- BLumix S1R II has higher AF points / zones (779 vs 49)
- BLumix S1R II has higher Burst (electronic) (40 fps vs 9 fps)
- BLumix S1R II has higher 4K max frame rate (120 fps vs 30 fps)
- BLumix S1R II has higher 1080p max frame rate (240 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareLumix GX9
124 × 72 × 47 mm
450 g (0.99 lb / 15.87 oz)
Credit card
85.6 × 54 mm
for scale
Lumix S1R II
134 × 102 × 92 mm
795 g (1.75 lb / 28.04 oz)
Lumix GX9 is 10mm narrower, 30mm shorter, and 45mm thinner than Lumix S1R II.
Lumix GX9 is 345 g lighter than Lumix S1R II.
Depth (front-to-back): 47mm Lumix GX9 · 92mm Lumix S1R II
Sensor size, to scale
Lumix GX9
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 GX9
✓ 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 GX9
Dimensions (W×H×D mm)
Adds 124, 72.1, 46.8
Card types
Adds SD UHS-I
Weight
450 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
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)
40 fps vs 9 fps — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
1080p max frame rate
240 fps vs 60 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 (IBIS) — Both support in-body stabilization (ibis)
- ✓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 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 GX9 and Lumix S1R II at major authorized retailers.
Panasonic Lumix GX9
Panasonic Lumix S1R II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix GX9 or Lumix S1R II?
Lumix S1R II scores 10.0/10 versus 2.0/10 for Lumix GX9 — 40fps burst — pro-level action capture.
What's the resolution difference between the Lumix GX9 and Lumix S1R II?
Lumix GX9 is 20.3 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 GX9 and Lumix S1R II have in-body image stabilization?
Lumix GX9 has 4-stop in-body image stabilization, while Lumix S1R II has 8-stop in-body image stabilization.
Which shoots faster bursts — the Lumix GX9 or the Lumix S1R II?
Lumix GX9 reaches 9 fps electronic. Lumix S1R II reaches 40 fps electronic.
What's the weight difference between the Lumix GX9 and Lumix S1R II?
Lumix GX9 weighs 450 g and Lumix S1R II weighs 795 g, so the Lumix GX9 is 345 g lighter.
Do the Lumix GX9 and Lumix S1R II record 4K video?
Lumix GX9: 4K up to 30p. Lumix S1R II: 8K (max), 4K up to 120p.
Are the Lumix GX9 and Lumix S1R II weather sealed?
Lumix GX9: No. Lumix S1R II: Yes.
Which has better battery life?
Rated battery life is 260 shots (CIPA) for the Lumix GX9 and 350 shots for the Lumix S1R II, giving the Lumix S1R II the edge.
How much does each cost?
Lumix GX9 launched at $999 and Lumix S1R II at $3,299. The Lumix GX9 is $2,300 less.
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Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.