Ricoh
GR IIIx
GR III with a tighter 40mm equivalent GR lens for a natural street, travel, and documentary perspective.
$999
Launch priceReleased Sep 2021
Ricoh
GR IV Monochrome
Monochrome-only GR IV with 25.74MP APS-C sensor, red filter mode, 5-axis SR, and classic 28mm pocket street-camera design.
$2,199
Launch priceReleased Jan 2026
GR IV Monochrome is 4.3 years newer.
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Wins
GR IIIx
Wins
GR IV Monochrome
7 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IV Monochrome has higher ISO max (native) (409,600 vs 102,400)
- AGR IIIx has lower ISO min (native) (100 vs 160)
- BGR IV Monochrome has higher Battery life (CIPA) (250 shots vs 200 shots)
- BGR IV Monochrome 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
109 × 62 × 35 mm
262 g (0.58 lb / 9.24 oz)
Credit card
85.6 × 54 mm
for scale
GR IV Monochrome
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
GR IIIx is 1mm taller and 3mm thicker than GR IV Monochrome.
GR IIIx and GR IV Monochrome weigh the same.
Depth (front-to-back): 35mm GR IIIx · 33mm GR IV Monochrome
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IIIx
109 × 62 mm
Credit card
85.6 × 54 mm
GR IV Monochrome
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IIIx
109 × 35 mm
Credit card
85.6 × 54 mm
GR IV Monochrome
109 × 33 mm
Sensor size, to scale
GR IIIx
23.5 × 15.6 mm · APS-C
367 mm² area
GR IV Monochrome
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
ISO min (native)
100 vs 160 — lower is better
Reasons to choose
GR IV Monochrome
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
409,600 vs 102,400 — higher is better
Dimensions (W×H×D mm)
Adds 61.1, 32.7
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
- ✓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
- ✓1080p 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 Monochrome
Pros
- ✓Monochrome APS-C sensor
- ✓ISO 160-409600
- ✓5-axis SR
- ✓Red filter mode
Cons
- –Black-and-white only
- –Fixed lens
- –Full HD video only
Decided which one is right for you?
Compare live prices for the GR IIIx and GR IV Monochrome at major authorized retailers.
Ricoh GR IIIx
Ricoh GR IV Monochrome
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GR IIIx or GR IV Monochrome?
GR IIIx scores 6.5/10 versus 6.5/10 for GR IV Monochrome — 24.24MP — solid resolution.
What's the resolution difference between the GR IIIx and GR IV Monochrome?
GR IIIx is 24.24 MP and GR IV Monochrome is 25.74 MP, so the GR IV Monochrome captures more detail for cropping and large prints.
Do the GR IIIx and GR IV Monochrome have in-body image stabilization?
GR IIIx has in-body image stabilization, while GR IV Monochrome has in-body image stabilization.
Which shoots faster bursts — the GR IIIx or the GR IV Monochrome?
GR IIIx reaches 4 fps electronic. GR IV Monochrome reaches 4 fps electronic.
What's the weight difference between the GR IIIx and GR IV Monochrome?
Both bodies weigh roughly 262 g.
Do the GR IIIx and GR IV Monochrome record 4K video?
GR IIIx: 4K up to 60p. GR IV Monochrome: 4K up to 60p.
Are the GR IIIx and GR IV Monochrome weather sealed?
GR IIIx: No. GR IV Monochrome: No.
Which has better battery life?
Rated battery life is 200 shots (CIPA) for the GR IIIx and 250 shots for the GR IV Monochrome, giving the GR IV Monochrome the edge.
How much does each cost?
GR IIIx launched at $999 and GR IV Monochrome at $2,199. The GR IIIx is $1,200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IIIx vs GR IV Monochrome vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Ricoh press materials.