DJI
Osmo Action 6
Flagship DJI action camera with 1/1.1-inch CMOS sensor, variable f/2.0-f/4.0 lens, 8K 30p video, 4K 120p, 38MP stills, and 20m waterproofing.
$379
Launch priceReleased Nov 2025
Sony
Alpha 9 III
Global shutter sports flagship with 120fps and zero rolling shutter for pro action.
$5,999
Launch priceReleased Jan 2024
Osmo Action 6 is 1.8 years newer.
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Wins
Osmo Action 6
Wins
Alpha 9 III
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 9 III has higher AF points / zones (759 vs 0)
- AOsmo Action 6 has higher Burst (mechanical) (8 fps vs 0 fps)
- BAlpha 9 III has higher Burst (electronic) (120 fps vs 20 fps)
- AOsmo Action 6 has lower Weight (149 g vs 703 g)
- BAlpha 9 III has higher Max video bit rate (600 Mbps vs 200 Mbps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Osmo Action 6
73 × 47 × 33 mm
149 g (0.33 lb / 5.26 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 9 III
136 × 97 × 83 mm
703 g (1.55 lb / 24.80 oz)
Osmo Action 6 is 63mm narrower, 50mm shorter, and 50mm thinner than Alpha 9 III.
Osmo Action 6 is 554 g lighter than Alpha 9 III.
Depth (front-to-back): 33mm Osmo Action 6 · 83mm Alpha 9 III
Back view, to scale
Width × Height — same proportions as the front of the body.
Osmo Action 6
73 × 47 mm
Credit card
85.6 × 54 mm
Alpha 9 III
136 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Osmo Action 6
73 × 33 mm
Credit card
85.6 × 54 mm
Alpha 9 III
136 × 83 mm
Sensor size, to scale
Alpha 9 III
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
Osmo Action 6: mount data unavailable
Alpha 9 III
✓ more lensesSony E
350+
native lenses available
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
Why pick one over the other
Reasons to choose
Osmo Action 6
Burst (mechanical)
8 fps vs 0 fps — higher is better
Codecs
Adds HEVC
Stabilization modes
Adds RockSteady 3.0, RockSteady 3.0+, HorizonBalancing…
Dimensions (W×H×D mm)
Adds 72.8, 47.2, 33.1
Card types
Adds microSD
Weight
149 g vs 703 g — lower is better
ISO min (native)
100 vs 250 — lower is better
ISO max (native)
51,200 vs 25,600 — higher is better
Reasons to choose
Alpha 9 III
AF points / zones
759 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
Burst (electronic)
120 fps vs 20 fps — higher is better
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
AA filter
Only Alpha 9 III supports it
Both cameras share
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 120 fps
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Action 6
Pros
- ✓8K 30p video
- ✓1/1.1-inch sensor
- ✓Variable f/2.0-f/4.0 aperture
- ✓20m waterproof without case
Cons
- –8K has mode limitations
- –Fixed ultra-wide lens
- –Small sensor vs compact cameras
Alpha 9 III
Pros
- ✓Global shutter 120fps
- ✓Zero rolling shutter
- ✓Pro sports AF
- ✓Pre-capture buffer
Cons
- –24.6MP only
- –Premium price
- –Battery drain at max speed
Decided which one is right for you?
Compare live prices for the Osmo Action 6 and Alpha 9 III at major authorized retailers.
DJI Osmo Action 6
Sony Alpha 9 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Osmo Action 6 or Alpha 9 III?
Alpha 9 III scores 7.5/10 versus 2.5/10 for Osmo Action 6 — 24.6MP — solid resolution.
What's the resolution difference between the Osmo Action 6 and Alpha 9 III?
Osmo Action 6 is 38 MP and Alpha 9 III is 24.6 MP, so the Osmo Action 6 captures more detail for cropping and large prints.
Do the Osmo Action 6 and Alpha 9 III have in-body image stabilization?
Osmo Action 6 uses Electronic image stabilization (electronic), while Alpha 9 III has 8-stop in-body image stabilization.
Which shoots faster bursts — the Osmo Action 6 or the Alpha 9 III?
Osmo Action 6 reaches 20 fps electronic. Alpha 9 III reaches 120 fps electronic.
What's the weight difference between the Osmo Action 6 and Alpha 9 III?
Osmo Action 6 weighs 149 g and Alpha 9 III weighs 703 g, so the Osmo Action 6 is 554 g lighter.
Do the Osmo Action 6 and Alpha 9 III record 4K video?
Osmo Action 6: 8K (max), 4K up to 120p. Alpha 9 III: 4K up to 120p.
Are the Osmo Action 6 and Alpha 9 III weather sealed?
Osmo Action 6: Yes. Alpha 9 III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the Osmo Action 6 and 400 shots for the Alpha 9 III, giving the Osmo Action 6 the edge.
How much does each cost?
Osmo Action 6 launched at $379 and Alpha 9 III at $5,999. The Osmo Action 6 is $5,620 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Osmo Action 6 vs Alpha 9 III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of DJI and Sony press materials.