Canon
EOS C70
Super 35 cinema box with RF mount, 4K 120p, Canon Log 2/3, and built-in ND for documentary crews.
$5,499
Launch priceReleased Sep 2020
Canon
EOS R3
Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.
$5,999
Launch priceReleased Sep 2021
EOS R3 is 1 year newer.
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Wins
EOS C70
Wins
EOS R3
5 categories tied
Which would you choose?
TL;DR — Key differences
- BEOS R3 has higher Max video bit rate (2600 Mbps vs 200 Mbps)
- BEOS R3 has higher ISO max (native) (102,400 vs 25,600)
- BEOS R3 has higher Resolution (24.1 MP vs 8.85 MP)
- BEOS R3 has higher 4K max frame rate (120 fps vs 60 fps)
- BEOS R3 has higher EVF resolution (5,760,000 vs 3,690,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareEOS C70
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
Credit card
85.6 × 54 mm
for scale
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
EOS C70 is 12mm narrower and 45mm shorter than EOS R3 but it is also 1mm thicker.
EOS C70 is 295 g lighter than EOS R3.
Depth (front-to-back): 88mm EOS C70 · 87mm EOS R3
Sensor size, to scale
EOS C70
36 × 24 mm · Full Frame
864 mm² area
EOS R3
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS C70
✓ more lensesCanon RF
105+
native lenses available
EOS R3
✓ more lensesCanon RF
105+
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
EOS C70
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
Pre-Capture / Pre-Release
Only EOS C70 supports it
Codecs
Adds ProRes
Weight
720 g vs 1015 g — lower is better
Battery life (CIPA)
640 shots vs 620 shots — higher is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Reasons to choose
EOS R3
AF low-light limit
-7.5 EV vs -6.5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
Max video bit rate
2600 Mbps vs 200 Mbps — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
Resolution
24.1 MP vs 8.85 MP — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
Card types
Adds CFexpress Type B
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS C70
Pros
- ✓4K 120p internal
- ✓Built-in ND filters
- ✓Dual pixel AF in cinema form
- ✓RF mount flexibility
Cons
- –Super 35 not full-frame
- –No stills-first ergonomics
- –Large for gimbal work
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
Decided which one is right for you?
Compare live prices for the EOS C70 and EOS R3 at major authorized retailers.
Canon EOS C70
Canon EOS R3
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS C70 or EOS R3?
EOS C70 scores 9.0/10 versus 5.0/10 for EOS R3 — 20fps burst captures fleeting moments.
What's the resolution difference between the EOS C70 and EOS R3?
EOS C70 is 8.85 MP and EOS R3 is 24.1 MP, so the EOS R3 captures more detail for cropping and large prints.
Do the EOS C70 and EOS R3 have in-body image stabilization?
EOS C70 has 7-stop in-body image stabilization, while EOS R3 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS C70 or the EOS R3?
EOS C70 reaches 20 fps electronic. EOS R3 reaches 30 fps electronic.
What's the weight difference between the EOS C70 and EOS R3?
EOS C70 weighs 720 g and EOS R3 weighs 1015 g, so the EOS C70 is 295 g lighter.
Do the EOS C70 and EOS R3 record 4K video?
EOS C70: 4K up to 60p. EOS R3: 6K RAW (max), 4K up to 120p.
Are the EOS C70 and EOS R3 weather sealed?
EOS C70: Yes. EOS R3: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS C70 and 620 shots for the EOS R3, giving the EOS C70 the edge.
How much does each cost?
EOS C70 launched at $5,499 and EOS R3 at $5,999. The EOS C70 is $500 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS C70 vs EOS R3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.