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 IVx
40mm-equivalent GR IV sibling with a newly designed 26.1mm f/2.8 lens, 25.74MP APS-C sensor, 5-axis SR, 4K video, 53GB internal storage, and pocket street-camera handling. Winter 2026 planned.
$1,499
Launch priceReleased Dec 2026
GR IVx is 3.9 years newer.
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Wins
Lumix S5 II
Wins
GR IVx
1 categories tied
Which would you choose?
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 IVx has higher ISO max (native) (204,800 vs 51,200)
- ALumix S5 II has higher 1080p max frame rate (180 fps vs 60 fps)
- BGR IVx has lower Weight (265 g vs 740 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Lumix S5 II
134 × 102 × 90 mm
740 g (1.63 lb / 26.10 oz)
Credit card
85.6 × 54 mm
for scale
GR IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
Lumix S5 II is 25mm wider, 41mm taller, and 57mm thicker than GR IVx.
Lumix S5 II is 475 g heavier than GR IVx.
Depth (front-to-back): 90mm Lumix S5 II · 33mm GR IVx
Back view, to scale
Width × Height — same proportions as the front of the body.
Lumix S5 II
134 × 102 mm
Credit card
85.6 × 54 mm
GR IVx
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Lumix S5 II
134 × 90 mm
Credit card
85.6 × 54 mm
GR IVx
109 × 33 mm
Sensor size, to scale
Lumix S5 II
35.6 × 23.8 mm · Full Frame
847 mm² area
GR IVx
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 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…
1080p max frame rate
180 fps vs 60 fps — higher is better
Burst (mechanical)
9 fps vs 4 fps — higher is better
Reasons to choose
GR IVx
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 33.4
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
204,800 vs 51,200 — higher is better
Weight
265 g vs 740 g — lower is better
Codecs
Adds MPEG-4 AVC/H.264
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)
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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 IVx
Pros
- ✓New 26.1mm f/2.8 GR lens (40mm equiv.)
- ✓GR IV 25.74MP APS-C + 5-axis SR
- ✓4K 30p/24p and 53GB built-in storage
- ✓Snap focus, 50/71mm crops, 2-stop ND
- ✓Pocketable 265g body
Cons
- –Price not yet announced (listed at GR IV $1,499)
- –Winter 2026 or later — still in development as of Aug 2026
- –No built-in EVF
- –Fixed 40mm-equiv. lens
Decided which one is right for you?
Compare live prices for the Lumix S5 II and GR IVx at major authorized retailers.
Panasonic Lumix S5 II
Ricoh GR IVx
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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 IVx?
Lumix S5 II scores 9.5/10 versus 1.0/10 for GR IVx — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S5 II and GR IVx?
Lumix S5 II is 24.2 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.
Do the Lumix S5 II and GR IVx have in-body image stabilization?
Lumix S5 II has 5-stop in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the Lumix S5 II or the GR IVx?
Lumix S5 II reaches 30 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the Lumix S5 II and GR IVx?
Lumix S5 II weighs 740 g and GR IVx weighs 265 g, so the GR IVx is 475 g lighter.
Do the Lumix S5 II and GR IVx record 4K video?
Lumix S5 II: 6K Open Gate (max), 4K up to 60p. GR IVx: 4K up to 30p.
Are the Lumix S5 II and GR IVx weather sealed?
Lumix S5 II: Yes. GR IVx: No.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the Lumix S5 II and 250 shots for the GR IVx, giving the Lumix S5 II the edge.
How much does each cost?
Lumix S5 II launched at $1,999 and GR IVx at $1,499. The GR IVx is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Lumix S5 II vs GR IVx vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Panasonic and Ricoh press materials.