Canon
EOS R5 C
Cinema-focused 45MP full-frame hybrid with active cooling, 8K RAW 60p, and Canon Cinema EOS video tools.
$4,499
Released Jan 2022
Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Released Nov 2025
EOS R6 Mark III is 3.8 years newer.
Wins
EOS R5 C
Wins
EOS R6 Mark III
8 categories tied
TL;DR — Key differences
- BEOS R6 Mark III has higher IBIS effectiveness (8.5 stops vs 0 stops)
- BEOS R6 Mark III has higher Burst (electronic) (40 fps vs 20 fps)
- BEOS R6 Mark III has higher Battery life (CIPA) (640 shots vs 320 shots)
- AEOS R5 C has higher EVF resolution (5,760,000 vs 3,690,000)
- AEOS R5 C has higher Resolution (45 MP vs 32.5 MP)
Key specs at a glance
Size and weight, to scale
EOS R5 C
142 × 101 × 111 mm
770 g (1.70 lb / 27.16 oz)
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
EOS R5 C is 4mm wider, 3mm taller, and 23mm thicker than EOS R6 Mark III.
EOS R5 C is 71 g heavier than EOS R6 Mark III.
Depth (front-to-back): 111mm EOS R5 C · 88mm EOS R6 Mark III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R5 C
142 × 101 mm
EOS R6 Mark III
138 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R5 C
142 × 111 mm
EOS R6 Mark III
138 × 88 mm
Sensor size, to scale
EOS R5 C
36 × 24 mm · Full Frame
864 mm² area
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS R5 C
✓ more lensesCanon RF
105+
native lenses available
EOS R6 Mark III
✓ 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 R5 C
Subject recognition
Adds Human, Animal, Bird
Dimensions (W×H×D mm)
Adds 142, 101, 111
Codecs
Adds Cinema RAW Light, XF-AVC
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Resolution
45 MP vs 32.5 MP — higher is better
RAW buffer depth
180 frames vs 150 frames — higher is better
Reasons to choose
EOS R6 Mark III
Subject recognition
Adds People, Dogs, Cats…
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
AA filter
Only EOS R6 Mark III supports it
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Burst (electronic)
40 fps vs 20 fps — higher is better
Pre-Capture / Pre-Release
Only EOS R6 Mark III supports it
Both cameras share
- ✓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
- ✓Burst (mechanical) — Both 12 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R5 C
Pros
- ✓8K RAW 60p internal recording with active cooling
- ✓Cinema EOS interface and professional video tools
- ✓45MP full-frame stills capability
- ✓4K 120p slow motion
- ✓CFexpress Type B plus SD UHS-II storage
Cons
- –No in-body stabilization
- –Battery life is limited for high-end video
- –Larger body than the EOS R5
EOS R6 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, EOS R5 C or EOS R6 Mark III?
EOS R6 Mark III scores 7.5/10 versus 3.5/10 for EOS R5 C — 699g — manageable for travel.
What's the resolution difference between the EOS R5 C and EOS R6 Mark III?
EOS R5 C is 45 MP and EOS R6 Mark III is 32.5 MP, so the EOS R5 C captures more detail for cropping and large prints.
Do the EOS R5 C and EOS R6 Mark III have in-body image stabilization?
EOS R5 C does not have IBIS, while eOS R6 Mark III has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R5 C or the EOS R6 Mark III?
EOS R5 C reaches 20 fps electronic. EOS R6 Mark III reaches 40 fps electronic.
What's the weight difference between the EOS R5 C and EOS R6 Mark III?
EOS R5 C weighs 770 g and EOS R6 Mark III weighs 699 g, so the EOS R6 Mark III is 71 g lighter.
Do the EOS R5 C and EOS R6 Mark III record 4K video?
EOS R5 C: 8K RAW (max), 4K up to 120p. EOS R6 Mark III: 4K up to 120p.
Are the EOS R5 C and EOS R6 Mark III weather sealed?
EOS R5 C: Yes. EOS R6 Mark III: Yes.
Which has better battery life?
Rated battery life is 320 shots (CIPA) for the EOS R5 C and 640 shots for the EOS R6 Mark III, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R5 C launched at $4,499 and EOS R6 Mark III at $2,799. The EOS R6 Mark III is $1,700 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon press materials.