Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Launch priceReleased May 2022
DJI
Osmo Action 3
Rugged 1/1.7-inch action camera with 4K 120p, dual touchscreens, RockSteady stabilization, and 16m waterproofing without a case.
$329
Launch priceReleased Sep 2022
Osmo Action 3 is 4 months newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
EOS R7
Wins
Osmo Action 3
1 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R7 has higher AF points / zones (651 vs 0)
- BOsmo Action 3 has lower Weight (145 g vs 612 g)
- AEOS R7 has higher Resolution (32.5 MP vs 12 MP)
- AEOS R7 has higher ISO max (native) (32,000 vs 12,800)
- AEOS R7 has higher Burst (mechanical) (15 fps vs 6 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
Credit card
85.6 × 54 mm
for scale
Osmo Action 3
71 × 44 × 33 mm
145 g (0.32 lb / 5.11 oz)
EOS R7 is 62mm wider, 46mm taller, and 59mm thicker than Osmo Action 3.
EOS R7 is 467 g heavier than Osmo Action 3.
Depth (front-to-back): 92mm EOS R7 · 33mm Osmo Action 3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R7
132 × 90 mm
Credit card
85.6 × 54 mm
Osmo Action 3
71 × 44 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R7
132 × 92 mm
Credit card
85.6 × 54 mm
Osmo Action 3
71 × 33 mm
Sensor size, to scale
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
Lens ecosystem
Native lens selection
EOS R7
✓ more lensesCanon RF
105+
native lenses available
Osmo Action 3: 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 R7
AF points / zones
651 vs 0 — higher is better
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds H.265, AAC, LPCM
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
Card types
Adds SD, SDHC, SDXC
Resolution
32.5 MP vs 12 MP — higher is better
ISO max (native)
32,000 vs 12,800 — higher is better
Burst (mechanical)
15 fps vs 6 fps — higher is better
Reasons to choose
Osmo Action 3
Codecs
Adds H.264, HEVC
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 612 g — lower is better
1080p max frame rate
240 fps vs 100 fps — higher is better
4K max frame rate
120 fps vs 59.94 fps — higher is better
RAW buffer depth
60 frames vs 42 frames — higher is better
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 R7
Pros
- ✓High-resolution 32.5MP APS-C sensor
- ✓Up to 30fps electronic burst
- ✓7-stop in-body stabilization
- ✓Dual SD UHS-II card slots
- ✓Strong value for wildlife and sports reach
Cons
- –APS-C sensor trails full-frame in low-light depth
- –RF-S lens lineup is still limited
- –4K 60p uses a crop in some modes
Osmo Action 3
Pros
- ✓4K 120p
- ✓Dual touchscreens
- ✓16m waterproof without case
- ✓RockSteady and HorizonSteady
Cons
- –Older than Action 4/5 Pro
- –Small action-cam sensor
- –Fixed ultra-wide lens
Decided which one is right for you?
Compare live prices for the EOS R7 and Osmo Action 3 at major authorized retailers.
Canon EOS R7
DJI Osmo Action 3
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R7 or Osmo Action 3?
EOS R7 scores 5.5/10 versus 1.0/10 for Osmo Action 3 — 32.5MP — ample resolution for portraits.
What's the resolution difference between the EOS R7 and Osmo Action 3?
EOS R7 is 32.5 MP and Osmo Action 3 is 12 MP, so the EOS R7 captures more detail for cropping and large prints.
Do the EOS R7 and Osmo Action 3 have in-body image stabilization?
EOS R7 has 8-stop in-body image stabilization, while Osmo Action 3 uses Electronic image stabilization (electronic).
Which shoots faster bursts — the EOS R7 or the Osmo Action 3?
EOS R7 reaches 30 fps electronic. Osmo Action 3 reaches 15 fps electronic.
What's the weight difference between the EOS R7 and Osmo Action 3?
EOS R7 weighs 612 g and Osmo Action 3 weighs 145 g, so the Osmo Action 3 is 467 g lighter.
Do the EOS R7 and Osmo Action 3 record 4K video?
EOS R7: 4K up to 59.94p. Osmo Action 3: 4K up to 120p.
Are the EOS R7 and Osmo Action 3 weather sealed?
EOS R7: Yes. Osmo Action 3: Yes.
Which has better battery life?
Rated battery life is 660 shots (CIPA) for the EOS R7 and 640 shots for the Osmo Action 3, giving the EOS R7 the edge.
How much does each cost?
EOS R7 launched at $1,499 and Osmo Action 3 at $329. The Osmo Action 3 is $1,170 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R7 vs Osmo Action 3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and DJI press materials.