Panasonic
Lumix S5 II
Phase-detect L-mount hybrid with 6K open gate and strong video tools.
$1,999
Launch priceReleased Jan 2023
Ricoh
GR III
Street photography icon with 24.24MP APS-C, 28mm equivalent GR lens, 3-axis SR, and snap-focus in a pocket body.
$899
Launch priceReleased Mar 2019
Lumix S5 II is 3.8 years newer.
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Wins
Lumix S5 II
Wins
GR III
2 categories tied
TL;DR — Key differences
- ALumix S5 II has higher AF points / zones (779 vs 49)
- ALumix S5 II has higher Burst (electronic) (30 fps vs 4 fps)
- BGR III has lower Weight (257 g vs 740 g)
- ALumix S5 II has higher Burst (mechanical) (9 fps vs 4 fps)
- BGR III has higher ISO max (native) (102,400 vs 51,200)
Key specs at a glance
Size and weight, to scale
Lumix S5 II
134 × 102 × 90 mm
740 g (1.63 lb / 26.10 oz)
GR III
109 × 62 × 33 mm
257 g (0.57 lb / 9.07 oz)
Lumix S5 II is 25mm wider, 40mm taller, and 57mm thicker than GR III.
Lumix S5 II is 483 g heavier than GR III.
Depth (front-to-back): 90mm Lumix S5 II · 33mm GR III
Sensor size, to scale
Lumix S5 II
35.6 × 23.8 mm · Full Frame
847 mm² area
GR III
23.5 × 15.6 mm · APS-C
367 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 S5 II
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 90.1
Card types
Adds SD UHS-II, SD UHS-II
AF points / zones
779 vs 49 — higher is better
Burst (electronic)
30 fps vs 4 fps — higher is better
Codecs
Adds H.265, H.264, MP4
Subject recognition
Adds Human, Animal, Car…
Burst (mechanical)
9 fps vs 4 fps — higher is better
Animal / bird AF
Only Lumix S5 II supports it
Reasons to choose
GR III
Dimensions (W×H×D mm)
Adds 109.4, 61.9, 33.2
Card types
Adds SD, SDHC, SDXC UHS-I
Weight
257 g vs 740 g — lower is better
ISO max (native)
102,400 vs 51,200 — higher is better
Codecs
Adds MPEG-4 AVC/H.264
Resolution
24.24 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓4K max frame rate — Both 60 fps
- ✓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 S5 II
Pros
- ✓Phase-detect AF finally
- ✓6K open gate
- ✓IBIS
- ✓Great value
Cons
- –24MP resolution
- –L-mount size
- –AF still behind Canon/Sony
GR III
Pros
- ✓Pocketable APS-C
- ✓28mm equivalent GR lens
- ✓3-axis sensor-shift SR
- ✓Snap focus street shooting
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Decided which one is right for you?
Compare live prices for the Lumix S5 II and GR III at major authorized retailers.
Panasonic Lumix S5 II
Ricoh GR III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix S5 II or GR III?
Lumix S5 II scores 7.5/10 versus 0.5/10 for GR III — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S5 II and GR III?
Lumix S5 II is 24.2 MP and GR III is 24.24 MP, so the GR III captures more detail for cropping and large prints.
Do the Lumix S5 II and GR III have in-body image stabilization?
Lumix S5 II has 5-stop in-body image stabilization, while gR III has in-body image stabilization.
Which shoots faster bursts — the Lumix S5 II or the GR III?
Lumix S5 II reaches 30 fps electronic. GR III reaches 4 fps electronic.
What's the weight difference between the Lumix S5 II and GR III?
Lumix S5 II weighs 740 g and GR III weighs 257 g, so the GR III is 483 g lighter.
Do the Lumix S5 II and GR III record 4K video?
Lumix S5 II: 6K Open Gate (max), 4K up to 60p. GR III: 4K up to 60p.
Are the Lumix S5 II and GR III weather sealed?
Lumix S5 II: Yes. GR III: No.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the Lumix S5 II and 200 shots for the GR III, giving the Lumix S5 II the edge.
How much does each cost?
Lumix S5 II launched at $1,999 and GR III at $899. The GR III is $1,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.