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 R5
45MP full-frame hybrid with 8K RAW, 4K 120p, strong AF, and 8-stop in-body stabilization.
$3,899
Released Jul 2020
EOS R3 is 1.2 years newer.
Wins
EOS R3
Wins
EOS R5
11 categories tied
TL;DR — Key differences
- AEOS R3 has higher ISO max (native) (102,400 vs 51,200)
- BEOS R5 has higher Resolution (45 MP vs 24.1 MP)
- AEOS R3 has higher Burst (electronic) (30 fps vs 20 fps)
- BEOS R5 has lower Weight (738 g vs 1015 g)
- AEOS R3 has higher Battery life (CIPA) (620 shots vs 490 shots)
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 R5
139 × 98 × 88 mm
738 g (1.63 lb / 26.03 oz)
EOS R3 is 1mm thinner than EOS R5 but it is also 12mm wider and 45mm taller.
EOS R3 is 277 g heavier than EOS R5.
Depth (front-to-back): 87mm EOS R3 · 88mm EOS R5
Sensor size, to scale
EOS R3
36 × 24 mm · Full Frame
864 mm² area
EOS R5
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R3
✓ more lensesCanon RF
105+
native lenses available
EOS R5
✓ 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 -6 EV — lower is better
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
ISO max (native)
102,400 vs 51,200 — higher is better
Burst (electronic)
30 fps vs 20 fps — higher is better
Battery life (CIPA)
620 shots vs 490 shots — higher is better
Subject recognition
Adds Motorsport vehicles
Reasons to choose
EOS R5
Dimensions (W×H×D mm)
Adds 138.5, 97.5, 88
Resolution
45 MP vs 24.1 MP — higher is better
Weight
738 g vs 1015 g — lower is better
RAW buffer depth
180 frames vs 150 frames — higher is better
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 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 R5
Pros
- ✓45MP sensor balances resolution and speed
- ✓8K RAW and 4K 120p internal video
- ✓Dual Pixel CMOS AF II with advanced subject tracking
- ✓8-stop IBIS
- ✓CFexpress Type B plus SD UHS-II storage
Cons
- –Heat limits can matter for extended high-end video
- –Battery life is modest
- –Still expensive versus newer enthusiast bodies
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, EOS R3 or EOS R5?
EOS R5 scores 8.5/10 versus 7.0/10 for EOS R3 — 45MP — excellent for prints up to 24×36".
What's the resolution difference between the EOS R3 and EOS R5?
EOS R3 is 24.1 MP and EOS R5 is 45 MP, so the EOS R5 captures more detail for cropping and large prints.
Do the EOS R3 and EOS R5 have in-body image stabilization?
EOS R3 has 8-stop in-body image stabilization, while eOS R5 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R3 or the EOS R5?
EOS R3 reaches 30 fps electronic. EOS R5 reaches 20 fps electronic.
What's the weight difference between the EOS R3 and EOS R5?
EOS R3 weighs 1015 g and EOS R5 weighs 738 g, so the EOS R5 is 277 g lighter.
Do the EOS R3 and EOS R5 record 4K video?
EOS R3: 6K RAW (max), 4K up to 120p. EOS R5: 8K RAW (max), 4K up to 120p.
Are the EOS R3 and EOS R5 weather sealed?
EOS R3: Yes. EOS R5: Yes.
Which has better battery life?
Rated battery life is 620 shots (CIPA) for the EOS R3 and 490 shots for the EOS R5, giving the EOS R3 the edge.
How much does each cost?
EOS R3 launched at $5,999 and EOS R5 at $3,899. The EOS R5 is $2,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.