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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

Released Sep 2022

vs

DJI

Osmo Action 5 Pro

Action cam with larger sensor, dual OLED screens, and 4K 120p for creators.

$349

Released Sep 2024

Osmo Action 5 Pro is 2 years newer.

Wins

1categories

Osmo Action 3

Travel

Wins

2categories

Osmo Action 5 Pro

Travel

10 categories tied

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TL;DR — Key differences

Osmo Action 3 wins 1 categories·Osmo Action 5 Pro wins 2 categories
  • BOsmo Action 5 Pro has higher ISO max (native) (51,200 vs 12,800)
  • BOsmo Action 5 Pro has higher Resolution (40 MP vs 12 MP)
  • AOsmo Action 3 has lower Weight (145 g vs 146 g)

Key specs at a glance

Osmo Action 3Osmo Action 5 Pro
Resolution12 MP40 MP
Sensor1/1.7-inch1/1.3-inch
ISO max12,80051,200
Burst15 fps15 fps
4K120 fps120 fps
IBISNoNo
Weight145 g146 g
Battery640 shots640 shots

Size and weight, to scale

Osmo Action 3

71 × 44 × 33 mm

145 g (0.32 lb / 5.11 oz)

Osmo Action 5 Pro

71 × 44 × 33 mm

146 g (0.32 lb / 5.15 oz)

Osmo Action 3 and Osmo Action 5 Pro share virtually identical body dimensions.

Osmo Action 3 is 1 g lighter than Osmo Action 5 Pro.

Depth (front-to-back): 33mm Osmo Action 3 · 33mm Osmo Action 5 Pro

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseOsmo Action 3Osmo Action 5 Pro
Portrait
1.0Limited
3.0Limited✓ wins
Sports & Action
5.0Fair
5.0Fair
Video & Hybrid
4.5Fair
4.5Fair
Landscape
1.5Limited
4.5Fair✓ wins
Travel
7.0Good
8.0Excellent✓ wins
Wildlife
4.5Fair
5.5Fair✓ wins
Vlogging
4.0Fair
4.0Fair

Why pick one over the other

Reasons to choose

Osmo Action 3

  • Weight

    145 g vs 146 g — lower is better

Reasons to choose

Osmo Action 5 Pro

  • ISO max (native)

    51,200 vs 12,800 — higher is better

  • Resolution

    40 MP vs 12 MP — higher is better

Both cameras share

  • ISO min (native)Both 100
  • Burst (mechanical)Both 6 fps
  • Burst (electronic)Both 15 fps
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • RAW buffer depthBoth 60 frames
  • 4K max frame rateBoth 120 fps

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 Action 5 Pro

Pros

  • Larger sensor vs GoPro
  • Front + rear screens
  • 4K 120p

Cons

  • Accessory ecosystem
  • Fixed lens
  • Still action-cam limits

Full specifications

= category winner

Osmo Action 3
Osmo Action 5 Pro
Resolution
12 MP
40 MP3.3× more
Sensor type
1/1.7-inch CMOS
1/1.3-inch CMOS
Sensor size
1/1.7-inch
1/1.3-inch
Osmo Action 3
Osmo Action 5 Pro
AF system
Fixed focus
Fixed focus
AF points / zones
0
0
Eye AF
No
No
Animal / bird AF
No
No
Subject recognition
Osmo Action 3
Osmo Action 5 Pro
Burst (mechanical)
6 fps
6 fps
Burst (electronic)
15 fps
15 fps
Pre-Capture / Pre-Release
Yes
Yes
RAW buffer depth
60 frames
60 frames
Osmo Action 3
Osmo Action 5 Pro
Max resolution
4K
4K
4K max frame rate
120 fps
120 fps
Max video bit rate
200 Mbps
200 Mbps
Internal RAW video
No
No
Log profile
D-Log M / standard profiles
D-Log M / standard profiles
Codecs
H.264, HEVC
H.264, HEVC
Osmo Action 3
Osmo Action 5 Pro
Weight
145 g−1 g less
146 g
Dimensions (W×H×D mm)
70.5 × 44.2 × 32.8 mm
70.5 × 44.2 × 32.8 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for travel, Osmo Action 3 or Osmo Action 5 Pro?

Osmo Action 5 Pro scores 8.0/10 versus 7.0/10 for Osmo Action 3 — 146g — ultralight for all-day carry.

What's the resolution difference between the Osmo Action 3 and Osmo Action 5 Pro?

Osmo Action 3 is 12 MP and Osmo Action 5 Pro is 40 MP, so the Osmo Action 5 Pro captures more detail for cropping and large prints.

Do the Osmo Action 3 and Osmo Action 5 Pro have in-body image stabilization?

Osmo Action 3 does not have IBIS, while osmo Action 5 Pro does not have IBIS.

Which shoots faster bursts — the Osmo Action 3 or the Osmo Action 5 Pro?

Osmo Action 3 reaches 15 fps electronic. Osmo Action 5 Pro reaches 15 fps electronic.

What's the weight difference between the Osmo Action 3 and Osmo Action 5 Pro?

Osmo Action 3 weighs 145 g and Osmo Action 5 Pro weighs 146 g, so the Osmo Action 3 is 1 g lighter.

Do the Osmo Action 3 and Osmo Action 5 Pro record 4K video?

Osmo Action 3: 4K up to 120p. Osmo Action 5 Pro: 4K up to 120p.

Are the Osmo Action 3 and Osmo Action 5 Pro weather sealed?

Osmo Action 3: Yes. Osmo Action 5 Pro: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the Osmo Action 3 and 640 shots for the Osmo Action 5 Pro, giving the Osmo Action 5 Pro the edge.

How much does each cost?

Osmo Action 3 launched at $329 and Osmo Action 5 Pro at $349. The Osmo Action 3 is $20 less.

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