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Ricoh

GR III

Street photography icon with 24.24MP APS-C, 28mm equivalent GR lens, 3-axis SR, and snap-focus in a pocket body.

$899

Launch price

Released Mar 2019

vs
GR IV

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

Launch price

Released Jan 2026

GR IV is 6.8 years newer.

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Wins

1categories

GR III

PortraitVlogging

Wins

3categories

GR IV

PortraitVlogging

7 categories tied

Which would you choose?

TL;DR — Key differences

GR III wins 1 categories·GR IV wins 3 categories
  • BGR IV has higher ISO max (native) (204,800 vs 102,400)
  • BGR IV has higher Battery life (CIPA) (250 shots vs 200 shots)
  • BGR IV has higher Resolution (25.74 MP vs 24.24 MP)
  • AGR III has lower Weight (257 g vs 262 g)

Key specs at a glance

GR IIIGR IV
Resolution24.24 MP25.74 MP
SensorAPS-CAPS-C
ISO max102,400204,800
Burst4 fps4 fps
4K60 fps60 fps
IBISYesYes
Weight257 g262 g
Battery200 shots250 shots

Size and weight, to scale

GR III

109 × 62 × 33 mm

257 g (0.57 lb / 9.07 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

GR IV front view

GR IV

109 × 61 × 33 mm

262 g (0.58 lb / 9.24 oz)

GR III is 1mm taller and 1mm thicker than GR IV.

GR III is 5 g lighter than GR IV.

Depth (front-to-back): 33mm GR III · 33mm GR IV

Back view, to scale

Width × Height — same proportions as the front of the body.

GR III

109 × 62 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

GR IV back view

GR IV

109 × 61 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

GR III

109 × 33 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

GR IV top view

GR IV

109 × 33 mm

Sensor size, to scale

GR III

23.5 × 15.6 mm · APS-C

367 mm² area

GR IV

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

Use caseGR IIIGR IV
Portrait
6.5Good
6.5Good
Sports & Action
1.5Limited
1.5Limited
Video & Hybrid
3.5Limited
3.5Limited
Landscape
2.5Limited
2.5Limited
Travel
5.5Fair
5.5Fair
Wildlife
2.0Limited✓ wins
1.0Limited
Vlogging
6.5Good
6.5Good

Why pick one over the other

Reasons to choose

GR III

  • Card types

    Adds SD, SDHC, SDXC UHS-I

  • Dimensions (W×H×D mm)

    Adds 61.9, 33.2

  • Weight

    257 g vs 262 g — lower is better

Reasons to choose

GR IV

  • 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 / zonesBoth 49
  • Eye AFBoth support eye af
  • Burst (mechanical)Both 4 fps
  • Burst (electronic)Both 4 fps
  • 4K max frame rateBoth 60 fps

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GR III

Pros

  • Pocketable APS-C
  • 28mm equivalent GR lens
  • 3-axis sensor-shift SR
  • Snap focus street shooting

Cons

  • Fixed lens
  • No built-in EVF
  • Full HD video only

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

Decided which one is right for you?

Compare live prices for the GR III and GR IV at major authorized retailers.

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Full specifications

= category winner

GR III
GR IV
Resolution
24.24 MP
25.74 MP+6%
Sensor type
APS-C CMOS
APS-C CMOS
Sensor size
23.5 x 15.6 mm
23.3 x 15.5 mm
AA filter
No
No
GR III
GR IV
Aperture
F2.8-F16
F2.8-F16
Focal length (35mm equiv.)
28 mm
28 mm
GR III
GR IV
Processor
GR ENGINE 6
GR ENGINE 7
GR III
GR IV
ISO min (native)
100
100
ISO max (native)
102,400
204,800+1 stop
ISO max (expanded)
102,400
204,800
GR III
GR IV
Shutter type
Leaf shutter
Leaf shutter
Max mechanical speed
1/4000 sec
1/4000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, GR III or GR IV?

GR III scores 6.5/10 versus 6.5/10 for GR IV — 24.24MP — solid resolution.

What's the resolution difference between the GR III and GR IV?

GR III is 24.24 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.

Do the GR III and GR IV have in-body image stabilization?

GR III has in-body image stabilization, while GR IV has in-body image stabilization.

Which shoots faster bursts — the GR III or the GR IV?

GR III reaches 4 fps electronic. GR IV reaches 4 fps electronic.

What's the weight difference between the GR III and GR IV?

GR III weighs 257 g and GR IV weighs 262 g, so the GR III is 5 g lighter.

Do the GR III and GR IV record 4K video?

GR III: 4K up to 60p. GR IV: 4K up to 60p.

Are the GR III and GR IV weather sealed?

GR III: No. GR IV: No.

Which has better battery life?

Rated battery life is 200 shots (CIPA) for the GR III and 250 shots for the GR IV, giving the GR IV the edge.

How much does each cost?

GR III launched at $899 and GR IV at $1,499. The GR III is $600 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way GR III vs GR IV vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Ricoh press materials.