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 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 2.7 years newer.
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Wins
GR IIIx HDF
Wins
GR IVx
6 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IVx has higher ISO max (native) (204,800 vs 102,400)
- AGR IIIx HDF has higher 4K max frame rate (60 fps vs 30 fps)
- BGR IVx has higher Battery life (CIPA) (250 shots vs 200 shots)
- BGR IVx has higher Resolution (25.74 MP vs 24.24 MP)
- AGR IIIx HDF has lower Weight (262 g vs 265 g)
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 IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
GR IIIx HDF is 1mm taller and 2mm thicker than GR IVx.
GR IIIx HDF is 3 g lighter than GR IVx.
Depth (front-to-back): 35mm GR IIIx HDF · 33mm GR IVx
Sensor size, to scale
GR IIIx HDF
23.5 × 15.6 mm · APS-C
367 mm² area
GR IVx
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
4K max frame rate
60 fps vs 30 fps — higher is better
Weight
262 g vs 265 g — lower is better
Reasons to choose
GR IVx
Card types
Adds microSD, microSDHC, microSDXC UHS-I
Dimensions (W×H×D mm)
Adds 61.1, 33.4
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
- ✓1080p 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 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 GR IIIx HDF and GR IVx at major authorized retailers.
Ricoh GR IIIx HDF
Ricoh GR IVx
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, GR IIIx HDF or GR IVx?
GR IIIx HDF scores 6.5/10 versus 5.5/10 for GR IVx — 262g — easy to handhold for selfie video.
What's the resolution difference between the GR IIIx HDF and GR IVx?
GR IIIx HDF is 24.24 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.
Do the GR IIIx HDF and GR IVx have in-body image stabilization?
GR IIIx HDF has in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the GR IIIx HDF or the GR IVx?
GR IIIx HDF reaches 4 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the GR IIIx HDF and GR IVx?
GR IIIx HDF weighs 262 g and GR IVx weighs 265 g, so the GR IIIx HDF is 3 g lighter.
Do the GR IIIx HDF and GR IVx record 4K video?
GR IIIx HDF: 4K up to 60p. GR IVx: 4K up to 30p.
Are the GR IIIx HDF and GR IVx weather sealed?
GR IIIx HDF: No. GR IVx: No.
Which has better battery life?
Rated battery life is 200 shots (CIPA) for the GR IIIx HDF and 250 shots for the GR IVx, giving the GR IVx the edge.
How much does each cost?
GR IIIx HDF launched at $1,146 and GR IVx at $1,499. The GR IIIx HDF is $353 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IIIx HDF vs GR IVx vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Ricoh press materials.