Panasonic
Lumix S5 II
Phase-detect L-mount hybrid with 6K open gate and strong video tools.
$1,999
Released Jan 2023
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
Released Jan 2026
GR IV is 3 years newer.
Wins
Lumix S5 II
Wins
GR IV
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 IV has higher ISO max (native) (204,800 vs 51,200)
- BGR IV has lower Weight (262 g vs 740 g)
- ALumix S5 II has higher Burst (mechanical) (9 fps vs 4 fps)
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 IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Lumix S5 II is 25mm wider, 41mm taller, and 57mm thicker than GR IV.
Lumix S5 II is 478 g heavier than GR IV.
Depth (front-to-back): 90mm Lumix S5 II · 33mm GR IV
Sensor size, to scale
Lumix S5 II
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 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 IV
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
Weight
262 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
- ✓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 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
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Lumix S5 II or GR IV?
Lumix S5 II scores 7.5/10 versus 0.5/10 for GR IV — 30fps burst — pro-level action capture.
What's the resolution difference between the Lumix S5 II and GR IV?
Lumix S5 II 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 S5 II and GR IV have in-body image stabilization?
Lumix S5 II has 5-stop in-body image stabilization, while gR IV has in-body image stabilization.
Which shoots faster bursts — the Lumix S5 II or the GR IV?
Lumix S5 II reaches 30 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the Lumix S5 II and GR IV?
Lumix S5 II weighs 740 g and GR IV weighs 262 g, so the GR IV is 478 g lighter.
Do the Lumix S5 II and GR IV record 4K video?
Lumix S5 II: 6K Open Gate (max), 4K up to 60p. GR IV: 4K up to 60p.
Are the Lumix S5 II and GR IV weather sealed?
Lumix S5 II: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 370 shots (CIPA) for the Lumix S5 II and 250 shots for the GR IV, giving the Lumix S5 II the edge.
How much does each cost?
Lumix S5 II launched at $1,999 and GR IV at $1,499. The GR IV is $500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.