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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

OM System

OM-1 II

Flagship MFT with stacked sensor, 120fps, and pro wildlife features.

$2,399

Launch price

Released Feb 2024

OM-1 II is 1.4 years newer.

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Wins

4categories

Osmo Action 3

Sports & ActionTravel

Wins

7categories

OM-1 II

Sports & ActionTravel

2 categories tied

Which would you choose?

TL;DR — Key differences

Osmo Action 3 wins 2 categories·OM-1 II wins 3 categories
  • BOM-1 II has higher AF points / zones (1053 vs 0)
  • BOM-1 II has higher ISO max (native) (102,400 vs 12,800)
  • BOM-1 II has higher Burst (electronic) (120 fps vs 15 fps)
  • AOsmo Action 3 has lower Weight (145 g vs 599 g)
  • AOsmo Action 3 has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

Osmo Action 3OM-1 II
Resolution12 MP20.4 MP
Sensor1/1.7-inchMFT
ISO max12,800102,400
Burst15 fps120 fps
4K120 fps60 fps
IBISNo8.5-stop
Weight145 g599 g
Battery640 shots520 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

OM-1 II

135 × 92 × 73 mm

599 g (1.32 lb / 21.13 oz)

Osmo Action 3 is 64mm narrower, 47mm shorter, and 40mm thinner than OM-1 II.

Osmo Action 3 is 454 g lighter than OM-1 II.

Depth (front-to-back): 33mm Osmo Action 3 · 73mm OM-1 II

Sensor size, to scale

OM-1 II

17.4 × 13 mm · Compact / large-type

226 mm² area

Lens ecosystem

Native lens selection

Osmo Action 3: mount data unavailable

OM-1 II

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 third-party

Counts include current first-party and major third-party native autofocus lenses.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseOsmo Action 3OM-1 II
Portrait
1.0Limited
4.0Fair✓ wins
Sports & Action
8.5Excellent
10.0Excellent✓ wins
Video & Hybrid
4.5Fair
5.5Fair✓ wins
Landscape
1.5Limited
2.5Limited✓ wins
Travel
7.0Good
7.0Good
Wildlife
4.5Fair
6.5Good✓ wins
Vlogging
4.0Fair
7.0Good✓ wins

Why pick one over the other

Reasons to choose

Osmo Action 3

  • Stabilization modes

    Adds RockSteady, HorizonBalancing, HorizonSteady

  • Dimensions (W×H×D mm)

    Adds 70.5, 44.2, 32.8

  • Card types

    Adds microSD

  • Weight

    145 g vs 599 g — lower is better

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Codecs

    Adds HEVC

  • Max video bit rate

    200 Mbps vs 150 Mbps — higher is better

  • Battery life (CIPA)

    640 shots vs 520 shots — higher is better

Reasons to choose

OM-1 II

  • AF points / zones

    1053 vs 0 — higher is better

  • Subject recognition

    Adds People, Birds, Animals…

  • Dimensions (W×H×D mm)

    Adds 134.8, 91.6, 72.7

  • Card types

    Adds SD UHS-II, SD UHS-I

  • ISO max (native)

    102,400 vs 12,800 — higher is better

  • Burst (electronic)

    120 fps vs 15 fps — higher is better

  • Codecs

    Adds H.265, MOV

  • Eye AF

    Only OM-1 II supports it

Both cameras share

  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • 1080p max frame rateBoth 240 fps
  • Weather sealingBoth support weather sealing
  • 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

OM-1 II

Pros

  • 120fps stills
  • Stacked MFT
  • IP53 weather sealing
  • Computational features

Cons

  • MFT sensor size
  • Smaller ecosystem
  • Menu complexity

Decided which one is right for you?

Compare live prices for the Osmo Action 3 and OM-1 II 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
OM-1 II
Resolution
12 MP
20.4 MP+70%
Sensor type
1/1.7-inch CMOS
4/3 Stacked BSI Live MOS
Sensor size
1/1.7-inch
17.4 x 13.0 mm
AA filter
No
Osmo Action 3
OM-1 II
Aperture
f/2.8
Field of view
155 °
Osmo Action 3
OM-1 II
Processor
Image processor
TruePic X
Osmo Action 3
OM-1 II
ISO min (native)
100
80−20 less
ISO max (native)
12,800
102,400+3 stops
ISO max (expanded)
12,800
102,400
Osmo Action 3
OM-1 II
Shutter type
Electronic shutter
Computerised focal-plane shutter + electronic shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for vlogging, Osmo Action 3 or OM-1 II?

OM-1 II scores 7.0/10 versus 4.0/10 for Osmo Action 3 — 4K 60p for smooth handheld vlogs.

What's the resolution difference between the Osmo Action 3 and OM-1 II?

Osmo Action 3 is 12 MP and OM-1 II is 20.4 MP, so the OM-1 II captures more detail for cropping and large prints.

Do the Osmo Action 3 and OM-1 II have in-body image stabilization?

Osmo Action 3 uses Electronic image stabilization (electronic), while OM-1 II has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the Osmo Action 3 or the OM-1 II?

Osmo Action 3 reaches 15 fps electronic. OM-1 II reaches 120 fps electronic.

What's the weight difference between the Osmo Action 3 and OM-1 II?

Osmo Action 3 weighs 145 g and OM-1 II weighs 599 g, so the Osmo Action 3 is 454 g lighter.

Do the Osmo Action 3 and OM-1 II record 4K video?

Osmo Action 3: 4K up to 120p. OM-1 II: 4K up to 60p.

Are the Osmo Action 3 and OM-1 II weather sealed?

Osmo Action 3: Yes. OM-1 II: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the Osmo Action 3 and 520 shots for the OM-1 II, giving the Osmo Action 3 the edge.

How much does each cost?

Osmo Action 3 launched at $329 and OM-1 II at $2,399. The Osmo Action 3 is $2,070 less.

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

Add any camera to get a three-way Osmo Action 3 vs OM-1 II vs X comparison.

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