Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Launch priceReleased Jul 2024
DJI
Osmo Action 4
1/1.3-inch sensor action camera with 10-bit D-Log M and strong stabilization.
$299
Launch priceReleased Aug 2023
EOS R1 is 11 months newer.
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Wins
EOS R1
Wins
Osmo Action 4
2 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher AF points / zones (1053 vs 0)
- AEOS R1 has higher ISO max (native) (102,400 vs 12,800)
- BOsmo Action 4 has lower Weight (145 g vs 920 g)
- AEOS R1 has higher Burst (electronic) (40 fps vs 15 fps)
- AEOS R1 has higher Resolution (24.2 MP vs 10 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
Osmo Action 4
71 × 44 × 33 mm
145 g (0.32 lb / 5.11 oz)
EOS R1 is 87mm wider, 105mm taller, and 55mm thicker than Osmo Action 4.
EOS R1 is 775 g heavier than Osmo Action 4.
Depth (front-to-back): 87mm EOS R1 · 33mm Osmo Action 4
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Credit card
85.6 × 54 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 R1
158 × 87 mm
Credit card
85.6 × 54 mm
Osmo Action 4
71 × 33 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ 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 R1
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
ISO max (native)
102,400 vs 12,800 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S…
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
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 920 g — lower is better
Codecs
Adds HEVC
Both cameras share
- ✓ISO min (native) — Both 100
- ✓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
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
Osmo Action 4
Pros
- ✓10-bit D-Log M
- ✓Good low light for action cam
- ✓Affordable
Cons
- –Superseded by Action 5 Pro
- –Fixed lens
Decided which one is right for you?
Compare live prices for the EOS R1 and Osmo Action 4 at major authorized retailers.
Canon EOS R1
DJI Osmo Action 4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R1 or Osmo Action 4?
EOS R1 scores 7.5/10 versus 1.0/10 for Osmo Action 4 — 24.2MP — solid resolution.
What's the resolution difference between the EOS R1 and Osmo Action 4?
EOS R1 is 24.2 MP and Osmo Action 4 is 10 MP, so the EOS R1 captures more detail for cropping and large prints.
Do the EOS R1 and Osmo Action 4 have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while Osmo Action 4 uses Electronic image stabilization (electronic).
Which shoots faster bursts — the EOS R1 or the Osmo Action 4?
EOS R1 reaches 40 fps electronic. Osmo Action 4 reaches 15 fps electronic.
What's the weight difference between the EOS R1 and Osmo Action 4?
EOS R1 weighs 920 g and Osmo Action 4 weighs 145 g, so the Osmo Action 4 is 775 g lighter.
Do the EOS R1 and Osmo Action 4 record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. Osmo Action 4: 4K up to 120p.
Are the EOS R1 and Osmo Action 4 weather sealed?
EOS R1: Yes. Osmo Action 4: Yes.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the Osmo Action 4, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and Osmo Action 4 at $299. The Osmo Action 4 is $6,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs Osmo Action 4 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and DJI press materials.