Canon
EOS R3
Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.
$5,999
Released Sep 2021
Insta360
Ace Pro 2
8K Leica-lens action camera with 1/1.3-inch sensor, 4K60 Active HDR, PureVideo low-light mode, and 12m waterproofing.
$449
Released Oct 2024
Ace Pro 2 is 3.1 years newer.
Wins
EOS R3
Wins
Ace Pro 2
1 categories tied
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TL;DR — Key differences
- AEOS R3 has higher AF points / zones (1053 vs 0)
- AEOS R3 has higher ISO max (native) (102,400 vs 6,400)
- AEOS R3 has higher Max video bit rate (2600 Mbps vs 200 Mbps)
- BAce Pro 2 has lower Weight (177.2 g vs 1015 g)
- BAce Pro 2 has higher Resolution (50 MP vs 24.1 MP)
Key specs at a glance
Size and weight, to scale
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
Ace Pro 2
72 × 52 × 38 mm
177.2 g (0.39 lb / 6.25 oz)
EOS R3 is 78mm wider, 90mm taller, and 49mm thicker than Ace Pro 2.
EOS R3 is 838 g heavier than Ace Pro 2.
Depth (front-to-back): 87mm EOS R3 · 38mm Ace Pro 2
Sensor size, to scale
EOS R3
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R3
✓ more lensesCanon RF
105+
native lenses available
Ace Pro 2: 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 R3
AF points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
Card types
Adds CFexpress Type B, SD UHS-II
ISO max (native)
102,400 vs 6,400 — higher is better
Max video bit rate
2600 Mbps vs 200 Mbps — higher is better
AA filter
Only EOS R3 supports it
Eye AF
Only EOS R3 supports it
Reasons to choose
Ace Pro 2
Dimensions (W×H×D mm)
Adds 71.9, 52.2, 38
Card types
Adds microSD
Weight
177.2 g vs 1015 g — lower is better
Resolution
50 MP vs 24.1 MP — higher is better
Pre-Capture / Pre-Release
Only Ace Pro 2 supports it
Battery life (CIPA)
640 shots vs 620 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Internal RAW video — Both support internal raw video
- ✓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 R3
Pros
- ✓30fps electronic burst from a stacked full-frame sensor
- ✓Exceptional low-light AF down to -7.5 EV
- ✓Integrated pro body with large LP-E19 battery
- ✓6K RAW video and 4K 120p
- ✓Rugged weather-sealed construction
Cons
- –24MP resolution trails higher-detail rivals
- –Large integrated-grip body
- –Expensive compared with enthusiast full-frame bodies
Ace Pro 2
Pros
- ✓8K30 video
- ✓1/1.3-inch Leica lens
- ✓PureVideo night mode
- ✓12m waterproof
Cons
- –8K drains battery faster
- –Premium vs DJI Action
- –Fixed lens
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R3 or Ace Pro 2?
EOS R3 scores 7.5/10 versus 3.0/10 for Ace Pro 2 — 24.1MP — solid resolution.
What's the resolution difference between the EOS R3 and Ace Pro 2?
EOS R3 is 24.1 MP and Ace Pro 2 is 50 MP, so the Ace Pro 2 captures more detail for cropping and large prints.
Do the EOS R3 and Ace Pro 2 have in-body image stabilization?
EOS R3 has 8-stop in-body image stabilization, while ace Pro 2 does not have IBIS.
Which shoots faster bursts — the EOS R3 or the Ace Pro 2?
EOS R3 reaches 30 fps electronic. Ace Pro 2 reaches 20 fps electronic.
What's the weight difference between the EOS R3 and Ace Pro 2?
EOS R3 weighs 1015 g and Ace Pro 2 weighs 177.2 g, so the Ace Pro 2 is 838 g lighter.
Do the EOS R3 and Ace Pro 2 record 4K video?
EOS R3: 6K RAW (max), 4K up to 120p. Ace Pro 2: 8K (max), 4K up to 60p.
Are the EOS R3 and Ace Pro 2 weather sealed?
EOS R3: Yes. Ace Pro 2: Yes.
Which has better battery life?
Rated battery life is 620 shots (CIPA) for the EOS R3 and 640 shots for the Ace Pro 2, giving the Ace Pro 2 the edge.
How much does each cost?
EOS R3 launched at $5,999 and Ace Pro 2 at $449. The Ace Pro 2 is $5,550 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.