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DJI

Osmo Action 4

1/1.3-inch sensor action camera with 10-bit D-Log M and strong stabilization.

$299

Launch price

Released Aug 2023

vs

GoPro

HERO

Smallest GoPro with a screen — 86g rugged body with 4K30 video, 2.7K60 slo-mo, 12MP photos, built-in Enduro battery, and 5m waterproofing at an entry price.

$200

Launch price

Released Sep 2024

HERO is 1.2 years newer.

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Wins

4categories

Osmo Action 4

Sports & ActionTravel

Wins

2categories

HERO

7 categories tied

Which would you choose?

TL;DR — Key differences

Osmo Action 4 wins 4 categories·HERO wins 1 categories
  • AOsmo Action 4 has higher IBIS effectiveness (6 stops vs 0 stops)
  • AOsmo Action 4 has lower Weight (145 g vs 580 g)
  • BHERO has higher ISO max (native) (25,600 vs 12,800)
  • AOsmo Action 4 has higher 4K max frame rate (120 fps vs 60 fps)
  • AOsmo Action 4 has higher Burst (electronic) (15 fps vs 11 fps)

Key specs at a glance

Osmo Action 4HERO
Resolution10 MP12 MP
Sensor1/1.3-inchMFT
ISO max12,80025,600
Burst15 fps11 fps
4K120 fps60 fps
IBISNoNo
Weight145 g580 g
Battery640 shots640 shots

Size and weight, to scale

Osmo Action 4

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

HERO

134 × 91 × 72 mm

580 g (1.28 lb / 20.46 oz)

Osmo Action 4 is 64mm narrower, 47mm shorter, and 39mm thinner than HERO.

Osmo Action 4 is 435 g lighter than HERO.

Depth (front-to-back): 33mm Osmo Action 4 · 72mm HERO

Sensor size, to scale

HERO

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseOsmo Action 4HERO
Portrait
1.0Limited
3.0Limited✓ wins
Sports & Action
8.5Excellent✓ wins
3.0Limited
Video & Hybrid
4.5Fair
4.5Fair
Landscape
1.5Limited✓ wins
0.0Limited
Travel
7.0Good✓ wins
5.0Fair
Wildlife
4.5Fair
5.0Fair✓ wins
Vlogging
4.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

Osmo Action 4

  • IBIS effectiveness

    6 stops vs 0 stops — higher is better

  • 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 580 g — lower is better

  • Pre-Capture / Pre-Release

    Only Osmo Action 4 supports it

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Codecs

    Adds HEVC

Reasons to choose

HERO

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 134, 91, 72

  • Card types

    Adds SD UHS-II

  • Codecs

    Adds H.265, ProRes

  • AA filter

    Only HERO supports it

  • ISO max (native)

    25,600 vs 12,800 — higher is better

  • Eye AF

    Only HERO supports it

  • Microphone jack (3.5mm)

    Only HERO supports it

Both cameras share

  • ISO min (native)Both 100
  • Burst (mechanical)Both 6 fps
  • RAW buffer depthBoth 60 frames
  • Max video bit rateBoth 200 Mbps
  • Battery life (CIPA)Both 640 shots
  • Card slotsBoth 1

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

HERO

Pros

  • Smallest/lightest GoPro with screen (86g)
  • 4K30 + 2.7K60 slo-mo
  • Built-in mounting fingers
  • 5m waterproof rugged body
  • Simple 3-mode interface

Cons

  • No removable battery
  • HyperSmooth via Quik app only
  • No 4K60 or 5.3K modes
  • Not compatible with HB-Series lenses

Decided which one is right for you?

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

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Full specifications

= category winner

Osmo Action 4
HERO
Resolution
10 MP
12 MP+20%
Sensor type
1/1.3-inch CMOS
Four Thirds Live MOS
Sensor size
1/1.3-inch
17.3 × 13.0 mm
AA filter
Yes
Osmo Action 4
HERO
Aperture
f/2.8
Field of view
155 °
Osmo Action 4
HERO
Processor
Image processor
GP2
Osmo Action 4
HERO
ISO min (native)
100
100
ISO max (native)
12,800
25,600+1 stop
ISO max (expanded)
12,800
102,400
Osmo Action 4
HERO
Shutter type
Electronic shutter
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, Osmo Action 4 or HERO?

Osmo Action 4 scores 8.5/10 versus 3.0/10 for HERO — Electronic image stabilization stabilization — steady handheld footage.

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

Osmo Action 4 is 10 MP and HERO is 12 MP, so the HERO captures more detail for cropping and large prints.

How does stabilization compare between the Osmo Action 4 and HERO?

Osmo Action 4 uses Electronic image stabilization (electronic), while HERO does not have IBIS.

Which shoots faster bursts — the Osmo Action 4 or the HERO?

Osmo Action 4 reaches 15 fps electronic. HERO reaches 11 fps electronic.

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

Osmo Action 4 weighs 145 g and HERO weighs 580 g, so the Osmo Action 4 is 435 g lighter.

Do the Osmo Action 4 and HERO record 4K video?

Osmo Action 4: 4K up to 120p. HERO: 4K up to 60p.

Are the Osmo Action 4 and HERO weather sealed?

Osmo Action 4: Yes. HERO: No.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the Osmo Action 4 and 640 shots for the HERO, giving the HERO the edge.

How much does each cost?

Osmo Action 4 launched at $299 and HERO at $200. The HERO is $99 less.

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

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

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