
DJI
Osmo Pocket 4
Fourth-gen 1-inch pocket gimbal camera with 4K/240fps slow-motion, 14-stop D-Log, ActiveTrack 7.0, 107GB built-in storage, and 240-min battery.
$499
Launch priceReleased Apr 2026

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
Osmo Pocket 4 is 3 months newer.
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Wins
Osmo Pocket 4
Wins
GR IV Monochrome
2 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IV Monochrome has higher Battery life (CIPA) (250 shots vs -1 shots)
- BGR IV Monochrome has higher ISO max (native) (409,600 vs 12,800)
- AOsmo Pocket 4 has higher Burst (electronic) (20 fps vs 4 fps)
- AOsmo Pocket 4 has higher 1080p max frame rate (240 fps vs 60 fps)
- AOsmo Pocket 4 has lower ISO min (native) (50 vs 160)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Osmo Pocket 4
34 × 144 × 44 mm
190.5 g (0.42 lb / 6.72 oz)

Credit card
85.6 × 54 mm
for scale

GR IV Monochrome
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Osmo Pocket 4 is 76mm narrower than GR IV Monochrome but it is also 83mm taller and 12mm thicker.
Osmo Pocket 4 is 72 g lighter than GR IV Monochrome.
Depth (front-to-back): 44mm Osmo Pocket 4 · 33mm GR IV Monochrome
Back view, to scale
Width × Height — same proportions as the front of the body.

Osmo Pocket 4
34 × 144 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.

Osmo Pocket 4
34 × 44 mm

Credit card
85.6 × 54 mm

GR IV Monochrome
109 × 33 mm
Sensor size, to scale
Osmo Pocket 4
13.2 × 8.8 mm · 1-inch
116 mm² area
GR IV Monochrome
23.3 × 15.5 mm · APS-C
361 mm² area
3.1× larger sensor area = shallower depth of field and better low-light performance.
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
Osmo Pocket 4
Codecs
Adds HEVC (H.265), H.264
Dimensions (W×H×D mm)
Adds 33.5, 144.2, 44.4
Burst (electronic)
20 fps vs 4 fps — higher is better
1080p max frame rate
240 fps vs 60 fps — higher is better
ISO min (native)
50 vs 160 — lower is better
Subject recognition
Adds Human
Burst (mechanical)
8 fps vs 4 fps — higher is better
Pre-Capture / Pre-Release
Only Osmo Pocket 4 supports it
Reasons to choose
GR IV Monochrome
Battery life (CIPA)
250 shots vs -1 shots — higher is better
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
ISO max (native)
409,600 vs 12,800 — higher is better
Card types
Adds microSDHC, microSDXC UHS-I
Eye AF
Only GR IV Monochrome supports it
Subject recognition
Adds Eye
In-body stabilization (IBIS)
Only GR IV Monochrome supports it
Both cameras share
- ✓4K max frame rate — Both 60 fps
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Pocket 4
Pros
- ✓4K/240fps slow-motion
- ✓14-stop dynamic range + 10-bit D-Log
- ✓107GB built-in + 800MB/s transfer
- ✓240-min battery life
Cons
- –No US official sale (FCC pending)
- –No weathersealing
- –Fixed lens
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 Osmo Pocket 4 and GR IV Monochrome at major authorized retailers.
DJI Osmo Pocket 4
Ricoh GR IV Monochrome
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Osmo Pocket 4 or GR IV Monochrome?
Osmo Pocket 4 scores 10.0/10 versus 1.5/10 for GR IV Monochrome — 20fps burst — fast action ready.
What's the resolution difference between the Osmo Pocket 4 and GR IV Monochrome?
Osmo Pocket 4 is 37 MP and GR IV Monochrome is 25.74 MP, so the Osmo Pocket 4 captures more detail for cropping and large prints.
Do the Osmo Pocket 4 and GR IV Monochrome have in-body image stabilization?
Osmo Pocket 4 uses a 3-axis mechanical gimbal, while GR IV Monochrome has in-body image stabilization.
Which shoots faster bursts — the Osmo Pocket 4 or the GR IV Monochrome?
Osmo Pocket 4 reaches 20 fps electronic. GR IV Monochrome reaches 4 fps electronic.
What's the weight difference between the Osmo Pocket 4 and GR IV Monochrome?
Osmo Pocket 4 weighs 190.5 g and GR IV Monochrome weighs 262 g, so the Osmo Pocket 4 is 72 g lighter.
Do the Osmo Pocket 4 and GR IV Monochrome record 4K video?
Osmo Pocket 4: 4K up to 60p. GR IV Monochrome: 4K up to 60p.
Are the Osmo Pocket 4 and GR IV Monochrome weather sealed?
Osmo Pocket 4: No. GR IV Monochrome: No.
Which has better battery life?
Rated battery life is -1 shots (CIPA) for the Osmo Pocket 4 and 250 shots for the GR IV Monochrome, giving the GR IV Monochrome the edge.
How much does each cost?
Osmo Pocket 4 launched at $499 and GR IV Monochrome at $2,199. The Osmo Pocket 4 is $1,700 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Osmo Pocket 4 vs GR IV Monochrome vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of DJI and Ricoh press materials.