Ricoh
GR IIIx
GR III with a tighter 40mm equivalent GR lens for a natural street, travel, and documentary perspective.
$999
Released Sep 2021
Ricoh
GR IV HDF
GR IV variant with built-in Highlight Diffusion Filter for softer rendering and the same 25.74MP APS-C pocket platform.
$1,599
Released Jan 2026
GR IV HDF is 4.3 years newer.
Wins
GR IIIx
Wins
GR IV HDF
7 categories tied
TL;DR — Key differences
- BGR IV HDF has higher ISO max (native) (204,800 vs 102,400)
- BGR IV HDF has higher Battery life (CIPA) (250 shots vs 200 shots)
- BGR IV HDF has higher Resolution (25.74 MP vs 24.24 MP)
Key specs at a glance
Size and weight, to scale
GR IIIx
109 × 62 × 35 mm
262 g (0.58 lb / 9.24 oz)
GR IV HDF
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
GR IIIx is 1mm taller and 3mm thicker than GR IV HDF.
GR IIIx and GR IV HDF weigh the same.
Depth (front-to-back): 35mm GR IIIx · 33mm GR IV HDF
Sensor size, to scale
GR IIIx
23.5 × 15.6 mm · APS-C
367 mm² area
GR IV HDF
23.3 × 15.5 mm · APS-C
361 mm² area
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
GR IIIx
Card types
Adds SD, SDHC, SDXC UHS-I
Dimensions (W×H×D mm)
Adds 61.9, 35.2
Reasons to choose
GR IV HDF
Card types
Adds microSD, microSDHC, microSDXC UHS-I
Dimensions (W×H×D mm)
Adds 61.1, 32.7
ISO max (native)
204,800 vs 102,400 — higher is better
Battery life (CIPA)
250 shots vs 200 shots — higher is better
Resolution
25.74 MP vs 24.24 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 49
- ✓Eye AF — Both support eye af
- ✓Burst (mechanical) — Both 4 fps
- ✓Burst (electronic) — Both 4 fps
- ✓4K max frame rate — Both 60 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GR IIIx
Pros
- ✓40mm equivalent GR lens
- ✓Pocketable APS-C
- ✓3-axis SR
- ✓Snap focus street shooting
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
GR IV HDF
Pros
- ✓Built-in HDF effect
- ✓25.74MP APS-C sensor
- ✓5-axis SR
- ✓53GB internal memory
Cons
- –No ND filter
- –Fixed lens
- –Full HD video only
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GR IIIx or GR IV HDF?
GR IIIx scores 6.5/10 versus 6.5/10 for GR IV HDF — 24.24MP — solid resolution.
What's the resolution difference between the GR IIIx and GR IV HDF?
GR IIIx is 24.24 MP and GR IV HDF is 25.74 MP, so the GR IV HDF captures more detail for cropping and large prints.
Do the GR IIIx and GR IV HDF have in-body image stabilization?
GR IIIx has in-body image stabilization, while gR IV HDF has in-body image stabilization.
Which shoots faster bursts — the GR IIIx or the GR IV HDF?
GR IIIx reaches 4 fps electronic. GR IV HDF reaches 4 fps electronic.
What's the weight difference between the GR IIIx and GR IV HDF?
Both bodies weigh roughly 262 g.
Do the GR IIIx and GR IV HDF record 4K video?
GR IIIx: 4K up to 60p. GR IV HDF: 4K up to 60p.
Are the GR IIIx and GR IV HDF weather sealed?
GR IIIx: No. GR IV HDF: No.
Which has better battery life?
Rated battery life is 200 shots (CIPA) for the GR IIIx and 250 shots for the GR IV HDF, giving the GR IV HDF the edge.
How much does each cost?
GR IIIx launched at $999 and GR IV HDF at $1,599. The GR IIIx is $600 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.