Ricoh
GR IIIx HDF
GR IIIx variant with built-in Highlight Diffusion Filter and a 40mm equivalent lens for softer street photography rendering.
$1,146
Launch priceReleased Apr 2024
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
Launch priceReleased Jan 2026
GR IV HDF is 1.8 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
GR IIIx HDF
Wins
GR IV HDF
7 categories tied
Which would you choose?
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
📸 Snap this size diff to shareGR IIIx HDF
109 × 62 × 35 mm
262 g (0.58 lb / 9.24 oz)
Credit card
85.6 × 54 mm
for scale
GR IV HDF
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
GR IIIx HDF is 1mm taller and 3mm thicker than GR IV HDF.
GR IIIx HDF and GR IV HDF weigh the same.
Depth (front-to-back): 35mm GR IIIx HDF · 33mm GR IV HDF
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IIIx HDF
109 × 62 mm
Credit card
85.6 × 54 mm
GR IV HDF
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IIIx HDF
109 × 35 mm
Credit card
85.6 × 54 mm
GR IV HDF
109 × 33 mm
Sensor size, to scale
GR IIIx HDF
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 HDF
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 HDF
Pros
- ✓Built-in HDF effect
- ✓40mm equivalent GR lens
- ✓Pocketable APS-C
- ✓3-axis SR
Cons
- –No ND filter
- –Fixed lens
- –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
Decided which one is right for you?
Compare live prices for the GR IIIx HDF and GR IV HDF at major authorized retailers.
Ricoh GR IIIx HDF
Ricoh GR IV HDF
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GR IIIx HDF or GR IV HDF?
GR IIIx HDF 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 HDF and GR IV HDF?
GR IIIx HDF 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 HDF and GR IV HDF have in-body image stabilization?
GR IIIx HDF has in-body image stabilization, while GR IV HDF has in-body image stabilization.
Which shoots faster bursts — the GR IIIx HDF or the GR IV HDF?
GR IIIx HDF reaches 4 fps electronic. GR IV HDF reaches 4 fps electronic.
What's the weight difference between the GR IIIx HDF and GR IV HDF?
Both bodies weigh roughly 262 g.
Do the GR IIIx HDF and GR IV HDF record 4K video?
GR IIIx HDF: 4K up to 60p. GR IV HDF: 4K up to 60p.
Are the GR IIIx HDF and GR IV HDF weather sealed?
GR IIIx HDF: No. GR IV HDF: No.
Which has better battery life?
Rated battery life is 200 shots (CIPA) for the GR IIIx HDF and 250 shots for the GR IV HDF, giving the GR IV HDF the edge.
How much does each cost?
GR IIIx HDF launched at $1,146 and GR IV HDF at $1,599. The GR IIIx HDF is $453 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IIIx HDF vs GR IV HDF vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Ricoh press materials.