Canon
EOS M50 Mark II
Popular vlogging APS-C mirrorless with flip screen and easy 4K for creators.
$599
Released Oct 2020
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 R3 is 11 months newer.
Wins
EOS M50 Mark II
Wins
EOS R3
4 categories tied
TL;DR — Key differences
- BEOS R3 has higher IBIS effectiveness (8 stops vs 0 stops)
- BEOS R3 has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- BEOS R3 has higher 4K max frame rate (120 fps vs 25 fps)
- BEOS R3 has higher ISO max (native) (102,400 vs 25,600)
- AEOS M50 Mark II has higher AF points / zones (3975 vs 1053)
Key specs at a glance
Size and weight, to scale
EOS M50 Mark II
138 × 98 × 88 mm
520 g (1.15 lb / 18.34 oz)
EOS R3
150 × 143 × 87 mm
1015 g (2.24 lb / 35.80 oz)
EOS M50 Mark II is 12mm narrower and 45mm shorter than EOS R3 but it is also 1mm thicker.
EOS M50 Mark II is 495 g lighter than EOS R3.
Depth (front-to-back): 88mm EOS M50 Mark II · 87mm EOS R3
Sensor size, to scale
EOS M50 Mark II
22.3 × 14.9 mm · APS-C
332 mm² area
EOS R3
36 × 24 mm · Full Frame
864 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS M50 Mark II: mount data unavailable
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 M50 Mark II
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
AF points / zones
3975 vs 1053 — higher is better
Weight
520 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 -4 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 150, 142.6, 87.2
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
4K max frame rate
120 fps vs 25 fps — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
Burst (electronic)
30 fps vs 10 fps — higher is better
Both cameras share
- ✓Resolution — Both 24.1 MP
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓EVF refresh rate — Both 120 Hz
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS M50 Mark II
Pros
- ✓Compact and affordable
- ✓Flip touchscreen
- ✓Eye AF
- ✓Great for beginners
Cons
- –EF-M mount limited
- –4K crop
- –Plastic build
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 video, EOS M50 Mark II or EOS R3?
EOS R3 scores 9.0/10 versus 3.0/10 for EOS M50 Mark II — 6K video for oversampled 4K.
What's the resolution difference between the EOS M50 Mark II and EOS R3?
Both cameras share the same 24.1 MP resolution.
Do the EOS M50 Mark II and EOS R3 have in-body image stabilization?
EOS M50 Mark II does not have IBIS, while eOS R3 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS M50 Mark II or the EOS R3?
EOS M50 Mark II reaches 10 fps electronic. EOS R3 reaches 30 fps electronic.
What's the weight difference between the EOS M50 Mark II and EOS R3?
EOS M50 Mark II weighs 520 g and EOS R3 weighs 1015 g, so the EOS M50 Mark II is 495 g lighter.
Do the EOS M50 Mark II and EOS R3 record 4K video?
EOS M50 Mark II: 4K up to 25p. EOS R3: 6K RAW (max), 4K up to 120p.
Are the EOS M50 Mark II and EOS R3 weather sealed?
EOS M50 Mark II: No. EOS R3: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS M50 Mark II and 620 shots for the EOS R3, giving the EOS M50 Mark II the edge.
How much does each cost?
EOS M50 Mark II launched at $599 and EOS R3 at $5,999. The EOS M50 Mark II is $5,400 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.