Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
DJI
Osmo Action 4
1/1.3-inch sensor action camera with 10-bit D-Log M and strong stabilization.
$299
Released Aug 2023
Osmo Action 4 is 8 months newer.
Wins
EOS R6 Mark II
Wins
Osmo Action 4
1 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 0)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 12,800)
- BOsmo Action 4 has lower Weight (145 g vs 680 g)
- AEOS R6 Mark II has higher RAW buffer depth (180 frames vs 60 frames)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 15 fps)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
Osmo Action 4
71 × 44 × 33 mm
145 g (0.32 lb / 5.11 oz)
EOS R6 Mark II is 68mm wider, 54mm taller, and 56mm thicker than Osmo Action 4.
EOS R6 Mark II is 535 g heavier than Osmo Action 4.
Depth (front-to-back): 88mm EOS R6 Mark II · 33mm Osmo Action 4
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Osmo Action 4
71 × 44 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
Osmo Action 4
71 × 33 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
Osmo Action 4: mount data unavailable
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
EOS R6 Mark II
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds SD UHS-II, SD UHS-II
ISO max (native)
102,400 vs 12,800 — higher is better
RAW buffer depth
180 frames vs 60 frames — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Resolution
24.2 MP vs 10 MP — higher is better
Reasons to choose
Osmo Action 4
Dimensions (W×H×D mm)
Adds 70.5, 44.2, 32.8
Card types
Adds microSD
Weight
145 g vs 680 g — lower is better
4K max frame rate
120 fps vs 60 fps — higher is better
Codecs
Adds HEVC
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓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.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
Osmo Action 4
Pros
- ✓10-bit D-Log M
- ✓Good low light for action cam
- ✓Affordable
Cons
- –Superseded by Action 5 Pro
- –Fixed lens
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R6 Mark II or Osmo Action 4?
EOS R6 Mark II scores 8.5/10 versus 1.0/10 for Osmo Action 4 — 24.2MP — solid resolution.
What's the resolution difference between the EOS R6 Mark II and Osmo Action 4?
EOS R6 Mark II is 24.2 MP and Osmo Action 4 is 10 MP, so the EOS R6 Mark II captures more detail for cropping and large prints.
Do the EOS R6 Mark II and Osmo Action 4 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while osmo Action 4 does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark II or the Osmo Action 4?
EOS R6 Mark II reaches 40 fps electronic. Osmo Action 4 reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark II and Osmo Action 4?
EOS R6 Mark II weighs 680 g and Osmo Action 4 weighs 145 g, so the Osmo Action 4 is 535 g lighter.
Do the EOS R6 Mark II and Osmo Action 4 record 4K video?
EOS R6 Mark II: 4K up to 60p. Osmo Action 4: 4K up to 120p.
Are the EOS R6 Mark II and Osmo Action 4 weather sealed?
EOS R6 Mark II: Yes. Osmo Action 4: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 640 shots for the Osmo Action 4, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and Osmo Action 4 at $299. The Osmo Action 4 is $2,200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and DJI press materials.