DJI
Osmo Action 4
1/1.3-inch sensor action camera with 10-bit D-Log M and strong stabilization.
$299
Released Aug 2023
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 1.2 years newer.
Wins
Osmo Action 4
Wins
Osmo Action 5 Pro
10 categories tied
TL;DR — Key differences
- BOsmo Action 5 Pro has higher Resolution (40 MP vs 10 MP)
- BOsmo Action 5 Pro has higher ISO max (native) (51,200 vs 12,800)
- AOsmo Action 4 has lower Weight (145 g vs 146 g)
Key specs at a glance
Size and weight, to scale
Osmo Action 4
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 4 and Osmo Action 5 Pro share virtually identical body dimensions.
Osmo Action 4 is 1 g lighter than Osmo Action 5 Pro.
Depth (front-to-back): 33mm Osmo Action 4 · 33mm Osmo Action 5 Pro
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 Action 4
Weight
145 g vs 146 g — lower is better
Reasons to choose
Osmo Action 5 Pro
Resolution
40 MP vs 10 MP — higher is better
ISO max (native)
51,200 vs 12,800 — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Burst (mechanical) — Both 6 fps
- ✓Burst (electronic) — Both 15 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓RAW buffer depth — Both 60 frames
- ✓4K max frame rate — Both 120 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Action 4
Pros
- ✓10-bit D-Log M
- ✓Good low light for action cam
- ✓Affordable
Cons
- –Superseded by Action 5 Pro
- –Fixed 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
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, Osmo Action 4 or Osmo Action 5 Pro?
Osmo Action 5 Pro scores 8.0/10 versus 7.0/10 for Osmo Action 4 — 146g — ultralight for all-day carry.
What's the resolution difference between the Osmo Action 4 and Osmo Action 5 Pro?
Osmo Action 4 is 10 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 4 and Osmo Action 5 Pro have in-body image stabilization?
Osmo Action 4 does not have IBIS, while osmo Action 5 Pro does not have IBIS.
Which shoots faster bursts — the Osmo Action 4 or the Osmo Action 5 Pro?
Osmo Action 4 reaches 15 fps electronic. Osmo Action 5 Pro reaches 15 fps electronic.
What's the weight difference between the Osmo Action 4 and Osmo Action 5 Pro?
Osmo Action 4 weighs 145 g and Osmo Action 5 Pro weighs 146 g, so the Osmo Action 4 is 1 g lighter.
Do the Osmo Action 4 and Osmo Action 5 Pro record 4K video?
Osmo Action 4: 4K up to 120p. Osmo Action 5 Pro: 4K up to 120p.
Are the Osmo Action 4 and Osmo Action 5 Pro weather sealed?
Osmo Action 4: Yes. Osmo Action 5 Pro: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the Osmo Action 4 and 640 shots for the Osmo Action 5 Pro, giving the Osmo Action 5 Pro the edge.
How much does each cost?
Osmo Action 4 launched at $299 and Osmo Action 5 Pro at $349. The Osmo Action 4 is $50 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.