Panasonic
Lumix S9
Compact full-frame L-mount for creators with LUT and social-first features.
$1,499
Launch priceReleased May 2024
Ricoh
GR IV
Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.
$1,499
Launch priceReleased Jan 2026
GR IV is 1.6 years newer.
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Wins
Lumix S9
Wins
GR IV
2 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IV has higher Burst (mechanical) (4 fps vs 0 fps)
- ALumix S9 has higher AF points / zones (779 vs 49)
- ALumix S9 has higher Burst (electronic) (30 fps vs 4 fps)
- BGR IV has higher ISO max (native) (204,800 vs 51,200)
- BGR IV has higher 4K max frame rate (60 fps vs 29.97 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Lumix S9
126 × 74 × 47 mm
486 g (1.07 lb / 17.14 oz)
Credit card
85.6 × 54 mm
for scale
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Lumix S9 is 17mm wider, 13mm taller, and 14mm thicker than GR IV.
Lumix S9 is 224 g heavier than GR IV.
Depth (front-to-back): 47mm Lumix S9 · 33mm GR IV
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix S9
126 × 74 mm
Credit card
85.6 × 54 mm
GR IV
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix S9
126 × 47 mm
Credit card
85.6 × 54 mm
GR IV
109 × 33 mm
Sensor size, to scale
Lumix S9
35.6 × 23.8 mm · Full Frame
847 mm² area
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
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 S9
Codecs
Adds H.265, H.264
Dimensions (W×H×D mm)
Adds 126, 73.9, 46.7
Card types
Adds SD, SDHC, SDXC
AF points / zones
779 vs 49 — higher is better
Burst (electronic)
30 fps vs 4 fps — higher is better
Subject recognition
Adds Human, Animal, Car…
Animal / bird AF
Only Lumix S9 supports it
1080p max frame rate
120 fps vs 60 fps — higher is better
Reasons to choose
GR IV
Burst (mechanical)
4 fps vs 0 fps — higher is better
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
204,800 vs 51,200 — higher is better
4K max frame rate
60 fps vs 29.97 fps — higher is better
Weight
262 g vs 486 g — lower is better
Resolution
25.74 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Lumix S9
Pros
- ✓Ultra compact FF
- ✓Creator LUT features
- ✓Open gate
Cons
- –No EVF
- –Single slot
- –Limited pro controls
GR IV
Pros
- ✓25.74MP APS-C sensor
- ✓5-axis sensor-shift SR
- ✓53GB internal memory
- ✓Pocketable 28mm GR lens
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Decided which one is right for you?
Compare live prices for the Lumix S9 and GR IV at major authorized retailers.
Panasonic Lumix S9
Ricoh GR IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix S9 or GR IV?
Lumix S9 scores 9.0/10 versus 1.5/10 for GR IV — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S9 and GR IV?
Lumix S9 is 24.2 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.
Do the Lumix S9 and GR IV have in-body image stabilization?
Lumix S9 has 5-stop in-body image stabilization, while GR IV has in-body image stabilization.
Which shoots faster bursts — the Lumix S9 or the GR IV?
Lumix S9 reaches 30 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the Lumix S9 and GR IV?
Lumix S9 weighs 486 g and GR IV weighs 262 g, so the GR IV is 224 g lighter.
Do the Lumix S9 and GR IV record 4K video?
Lumix S9: 4K up to 29.97p. GR IV: 4K up to 60p.
Are the Lumix S9 and GR IV weather sealed?
Lumix S9: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 470 shots (CIPA) for the Lumix S9 and 250 shots for the GR IV, giving the Lumix S9 the edge.
How much does each cost?
Both launched at $1,499.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix S9 vs GR IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.
Product images courtesy of Panasonic and Ricoh press materials.