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
Released Jul 2024
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
EOS R1 is 2.8 years newer.
Wins
EOS R1
Wins
EOS R3
8 categories tied
TL;DR — Key differences
- AEOS R1 has higher EVF resolution (9,440,000 vs 5,760,000)
- AEOS R1 has higher Burst (electronic) (40 fps vs 30 fps)
- AEOS R1 has higher EVF magnification (0.9 × vs 0.76 ×)
- BEOS R3 has lower Weight (1015 g vs 1115 g)
- AEOS R1 has higher IBIS effectiveness (8.5 stops vs 8 stops)
Key specs at a glance
Size and weight, to scale
EOS R1
158 × 150 × 87 mm
1115 g (2.46 lb / 39.33 oz)
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
EOS R1 is 8mm wider and 7mm taller than EOS R3.
EOS R1 is 100 g heavier than EOS R3.
Depth (front-to-back): 87mm EOS R1 · 87mm EOS R3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
EOS R3
150 × 143 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
EOS R3
150 × 87 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
EOS R3
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ 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 R1
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Subject recognition
Adds Horses, Cars, Motorbikes…
Pre-Capture / Pre-Release
Only EOS R1 supports it
Codecs
Adds XF-HEVC S, XF-AVC S
EVF resolution
9,440,000 vs 5,760,000 — higher is better
Burst (electronic)
40 fps vs 30 fps — higher is better
EVF magnification
0.9 × vs 0.76 × — higher is better
IBIS effectiveness
8.5 stops vs 8 stops — higher is better
Reasons to choose
EOS R3
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
Card types
Adds SD UHS-II
Subject recognition
Adds Motorsport vehicles
Weight
1015 g vs 1115 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 102,400
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
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
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
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, EOS R1 or EOS R3?
EOS R3 scores 6.5/10 versus 4.5/10 for EOS R1 — 620 shots/charge — all-day shooting.
What's the resolution difference between the EOS R1 and EOS R3?
EOS R1 is 24.2 MP and EOS R3 is 24.1 MP, so the EOS R1 captures more detail for cropping and large prints.
Do the EOS R1 and EOS R3 have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while eOS R3 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the EOS R3?
EOS R1 reaches 40 fps electronic. EOS R3 reaches 30 fps electronic.
What's the weight difference between the EOS R1 and EOS R3?
EOS R1 weighs 1115 g and EOS R3 weighs 1015 g, so the EOS R3 is 100 g lighter.
Do the EOS R1 and EOS R3 record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. EOS R3: 6K RAW (max), 4K up to 120p.
Are the EOS R1 and EOS R3 weather sealed?
EOS R1: Yes. EOS R3: Yes.
How much does each cost?
EOS R1 launched at $6,299 and EOS R3 at $5,999. The EOS R3 is $300 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon press materials.