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
WG-90
Rugged waterproof compact with 16MP sensor, 5x 28-140mm equivalent zoom, microscope mode, and ring light.
$329
Launch priceReleased Nov 2023
Osmo Pocket 4 is 2.4 years newer.
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Wins
Osmo Pocket 4
Wins
WG-90
1 categories tied
TL;DR — Key differences
- AOsmo Pocket 4 has lower ISO min (native) (50 vs 125)
- AOsmo Pocket 4 has higher Resolution (37 MP vs 16 MP)
- AOsmo Pocket 4 has higher ISO max (native) (12,800 vs 6,400)
- AOsmo Pocket 4 has higher Max video bit rate (180 Mbps vs 150 Mbps)
- AOsmo Pocket 4 has lower Weight (190.5 g vs 194 g)
Key specs at a glance
Size and weight, to scale
Osmo Pocket 4
44 × 144 × 34 mm
190.5 g (0.42 lb / 6.72 oz)
Credit card
85.6 × 54 mm
for scale
WG-90
123 × 62 × 30 mm
194 g (0.43 lb / 6.84 oz)
Osmo Pocket 4 is 78mm narrower than WG-90 but it is also 83mm taller and 4mm thicker.
Osmo Pocket 4 is 4 g lighter than WG-90.
Depth (front-to-back): 34mm Osmo Pocket 4 · 30mm WG-90
Back view, to scale
Width × Height — same proportions as the front of the body.
Osmo Pocket 4
44 × 144 mm
Credit card
85.6 × 54 mm
WG-90
123 × 62 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Osmo Pocket 4
44 × 34 mm
Credit card
85.6 × 54 mm
WG-90
123 × 30 mm
Sensor size, to scale
Osmo Pocket 4
13.2 × 8.8 mm · 1-inch
116 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
Osmo Pocket 4
Dimensions (W×H×D mm)
Adds 44.4, 144.2, 33.5
Card types
Adds microSD
ISO min (native)
50 vs 125 — lower is better
Resolution
37 MP vs 16 MP — higher is better
ISO max (native)
12,800 vs 6,400 — higher is better
Subject recognition
Adds Human
Pre-Capture / Pre-Release
Only Osmo Pocket 4 supports it
Codecs
Adds HEVC (H.265)
Reasons to choose
WG-90
Dimensions (W×H×D mm)
Adds 122.5, 61.5, 29.5
Card types
Adds SD, SDHC, SDXC
Subject recognition
Adds Pet
Weather sealing
Only WG-90 supports it
Both cameras share
- ✓Card slots — Both 1
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
WG-90
Pros
- ✓Waterproof and shockproof
- ✓5x optical zoom
- ✓Microscope mode
- ✓Compact rugged body
Cons
- –Small sensor
- –Full HD only
- –Basic LCD
Decided which one is right for you?
Compare live prices for the Osmo Pocket 4 and WG-90 at major authorized retailers.
DJI Osmo Pocket 4
Ricoh WG-90
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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 WG-90?
Osmo Pocket 4 scores 5.5/10 versus 1.5/10 for WG-90 — 20fps burst — fast action ready.
What's the resolution difference between the Osmo Pocket 4 and WG-90?
Osmo Pocket 4 is 37 MP and WG-90 is 16 MP, so the Osmo Pocket 4 captures more detail for cropping and large prints.
How does stabilization compare between the Osmo Pocket 4 and WG-90?
Osmo Pocket 4 does not have IBIS, while WG-90 does not have IBIS.
What's the weight difference between the Osmo Pocket 4 and WG-90?
Osmo Pocket 4 weighs 190.5 g and WG-90 weighs 194 g, so the Osmo Pocket 4 is 4 g lighter.
Do the Osmo Pocket 4 and WG-90 record 4K video?
Osmo Pocket 4: 4K up to 60p. WG-90: Full HD.
Are the Osmo Pocket 4 and WG-90 weather sealed?
Osmo Pocket 4: No. WG-90: Yes.
How much does each cost?
Osmo Pocket 4 launched at $499 and WG-90 at $329. The WG-90 is $170 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Osmo Pocket 4 vs WG-90 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.