Cameraegg Compare logoCameraegg

DJI

Osmo Action 3

Rugged 1/1.7-inch action camera with 4K 120p, dual touchscreens, RockSteady stabilization, and 16m waterproofing without a case.

$329

Launch price

Released Sep 2022

vs
Osmo Pocket 4

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 price

Released Apr 2026

Osmo Pocket 4 is 3.6 years newer.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Wins

5categories

Osmo Action 3

Sports & ActionTravel

Wins

7categories

Osmo Pocket 4

Sports & Action

3 categories tied

Which would you choose?

TL;DR — Key differences

Osmo Action 3 wins 2 categories·Osmo Pocket 4 wins 3 categories
  • AOsmo Action 3 has higher Battery life (CIPA) (640 shots vs -1 shots)
  • BOsmo Pocket 4 has higher Resolution (37 MP vs 12 MP)
  • BOsmo Pocket 4 has lower ISO min (native) (50 vs 100)
  • BOsmo Pocket 4 has higher RAW buffer depth (120 frames vs 60 frames)
  • AOsmo Action 3 has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

Osmo Action 3Osmo Pocket 4
Resolution12 MP37 MP
Sensor1/1.7-inch13.2 × 8.8 mm
ISO max12,80012,800
Burst15 fps20 fps
4K120 fps60 fps
IBISNoNo
Weight145 g190.5 g
Battery640 shots-1 shots

Size and weight, to scale

Osmo Action 3

71 × 44 × 33 mm

145 g (0.32 lb / 5.11 oz)

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

Credit card

85.6 × 54 mm

for scale

Osmo Pocket 4 front view

Osmo Pocket 4

34 × 144 × 44 mm

190.5 g (0.42 lb / 6.72 oz)

Osmo Action 3 is 100mm shorter and 12mm thinner than Osmo Pocket 4 but it is also 37mm wider.

Osmo Action 3 is 46 g lighter than Osmo Pocket 4.

Depth (front-to-back): 33mm Osmo Action 3 · 44mm Osmo Pocket 4

Back view, to scale

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

Osmo Action 3

71 × 44 mm

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

Credit card

85.6 × 54 mm

Osmo Pocket 4 back view

Osmo Pocket 4

34 × 144 mm

Top view, to scale

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

Osmo Action 3

71 × 33 mm

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

Credit card

85.6 × 54 mm

Osmo Pocket 4 top view

Osmo Pocket 4

34 × 44 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

Use caseOsmo Action 3Osmo Pocket 4
Portrait
1.0Limited
2.5Limited✓ wins
Sports & Action
8.5Excellent
10.0Excellent✓ wins
Video & Hybrid
4.5Fair✓ wins
4.0Fair
Landscape
1.5Limited
3.0Limited✓ wins
Travel
7.0Good✓ wins
4.5Fair
Wildlife
4.5Fair✓ wins
4.0Fair
Vlogging
4.0Fair
4.0Fair

Why pick one over the other

Reasons to choose

Osmo Action 3

  • Battery life (CIPA)

    640 shots vs -1 shots — higher is better

  • Stabilization modes

    Adds RockSteady, HorizonBalancing, HorizonSteady

  • Dimensions (W×H×D mm)

    Adds 70.5, 44.2, 32.8

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Codecs

    Adds HEVC

  • Weather sealing

    Only Osmo Action 3 supports it

  • Weight

    145 g vs 190.5 g — lower is better

  • Battery capacity

    1770 mAh vs 1545 mAh — higher is better

Reasons to choose

Osmo Pocket 4

  • Subject recognition

    Adds Human, Face

  • Dimensions (W×H×D mm)

    Adds 33.5, 144.2, 44.4

  • Resolution

    37 MP vs 12 MP — higher is better

  • ISO min (native)

    50 vs 100 — lower is better

  • RAW buffer depth

    120 frames vs 60 frames — higher is better

  • Codecs

    Adds HEVC (H.265)

  • Battery runtime

    240 min vs 160 min — higher is better

  • Burst (mechanical)

    8 fps vs 6 fps — higher is better

Both cameras share

  • ISO max (native)Both 12,800
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • 1080p max frame rateBoth 240 fps
  • Card slotsBoth 1
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Osmo Action 3

Pros

  • 4K 120p
  • Dual touchscreens
  • 16m waterproof without case
  • RockSteady and HorizonSteady

Cons

  • Older than Action 4/5 Pro
  • Small action-cam sensor
  • Fixed ultra-wide lens

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

Decided which one is right for you?

Compare live prices for the Osmo Action 3 and Osmo Pocket 4 at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

Osmo Action 3
Osmo Pocket 4
Resolution
12 MP
37 MP3.1× more
Sensor type
1/1.7-inch CMOS
1-inch CMOS
Sensor size
1/1.7-inch
13.2 × 8.8 mm
AA filter
No
Osmo Action 3
Osmo Pocket 4
Aperture
f/2.8
f/2.0
Field of view
155 °
Osmo Action 3
Osmo Pocket 4
Processor
Image processor
Osmo Action 3
Osmo Pocket 4
ISO min (native)
100
50−50 less
ISO max (native)
12,800
12,800
ISO max (expanded)
12,800
25,600
Osmo Action 3
Osmo Pocket 4
Shutter type
Electronic shutter
Electronic shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for travel, Osmo Action 3 or Osmo Pocket 4?

Osmo Action 3 scores 7.0/10 versus 4.5/10 for Osmo Pocket 4 — 145g — ultralight for all-day carry.

What's the resolution difference between the Osmo Action 3 and Osmo Pocket 4?

Osmo Action 3 is 12 MP and Osmo Pocket 4 is 37 MP, so the Osmo Pocket 4 captures more detail for cropping and large prints.

How does stabilization compare between the Osmo Action 3 and Osmo Pocket 4?

Osmo Action 3 uses Electronic image stabilization (electronic), while Osmo Pocket 4 uses a 3-axis mechanical gimbal.

Which shoots faster bursts — the Osmo Action 3 or the Osmo Pocket 4?

Osmo Action 3 reaches 15 fps electronic. Osmo Pocket 4 reaches 20 fps electronic.

What's the weight difference between the Osmo Action 3 and Osmo Pocket 4?

Osmo Action 3 weighs 145 g and Osmo Pocket 4 weighs 190.5 g, so the Osmo Action 3 is 46 g lighter.

Do the Osmo Action 3 and Osmo Pocket 4 record 4K video?

Osmo Action 3: 4K up to 120p. Osmo Pocket 4: 4K up to 60p.

Are the Osmo Action 3 and Osmo Pocket 4 weather sealed?

Osmo Action 3: Yes. Osmo Pocket 4: No.

Which has better battery runtime?

Osmo Action 3 is rated for about 160 minutes of continuous recording and Osmo Pocket 4 for about 240 minutes, giving the Osmo Pocket 4 the edge.

How much does each cost?

Osmo Action 3 launched at $329 and Osmo Pocket 4 at $499. The Osmo Action 3 is $170 less.

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

Add any camera to get a three-way Osmo Action 3 vs Osmo Pocket 4 vs X comparison.

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

Product images courtesy of DJI press materials.