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
Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Released May 2022
EOS R7 is 8 months newer.
Wins
EOS R3
Wins
EOS R7
6 categories tied
TL;DR — Key differences
- AEOS R3 has higher Max video bit rate (2600 Mbps vs 340 Mbps)
- AEOS R3 has higher RAW buffer depth (150 frames vs 42 frames)
- AEOS R3 has higher ISO max (native) (102,400 vs 32,000)
- AEOS R3 has higher EVF resolution (5,760,000 vs 2,360,000)
- AEOS R3 has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
EOS R3 is 5mm thinner than EOS R7 but it is also 18mm wider and 52mm taller.
EOS R3 is 403 g heavier than EOS R7.
Depth (front-to-back): 87mm EOS R3 · 92mm EOS R7
Sensor size, to scale
EOS R3
36 × 24 mm · Full Frame
864 mm² area
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R3
✓ more lensesCanon RF
105+
native lenses available
EOS R7
✓ 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 R3
AF low-light limit
-7.5 EV vs -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 340 Mbps — higher is better
RAW buffer depth
150 frames vs 42 frames — higher is better
ISO max (native)
102,400 vs 32,000 — higher is better
EVF resolution
5,760,000 vs 2,360,000 — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
Reasons to choose
EOS R7
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
Pre-Capture / Pre-Release
Only EOS R7 supports it
Weight
612 g vs 1015 g — lower is better
EVF magnification
1.15 × vs 0.76 × — higher is better
Resolution
32.5 MP vs 24.1 MP — higher is better
Burst (mechanical)
15 fps vs 12 fps — higher is better
Battery life (CIPA)
660 shots vs 620 shots — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 30 fps
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
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
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS R3 or EOS R7?
EOS R7 scores 9.0/10 versus 5.0/10 for EOS R3 — 30fps burst captures fleeting moments.
What's the resolution difference between the EOS R3 and EOS R7?
EOS R3 is 24.1 MP and EOS R7 is 32.5 MP, so the EOS R7 captures more detail for cropping and large prints.
Do the EOS R3 and EOS R7 have in-body image stabilization?
EOS R3 has 8-stop in-body image stabilization, while eOS R7 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R3 or the EOS R7?
EOS R3 reaches 30 fps electronic. EOS R7 reaches 30 fps electronic.
What's the weight difference between the EOS R3 and EOS R7?
EOS R3 weighs 1015 g and EOS R7 weighs 612 g, so the EOS R7 is 403 g lighter.
Do the EOS R3 and EOS R7 record 4K video?
EOS R3: 6K RAW (max), 4K up to 120p. EOS R7: 4K up to 60p.
Are the EOS R3 and EOS R7 weather sealed?
EOS R3: Yes. EOS R7: Yes.
Which has better battery life?
Rated battery life is 620 shots (CIPA) for the EOS R3 and 660 shots for the EOS R7, giving the EOS R7 the edge.
How much does each cost?
EOS R3 launched at $5,999 and EOS R7 at $1,499. The EOS R7 is $4,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.