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 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 1.3 years newer.
Wins
EOS R1
Wins
EOS R6 Mark III
8 categories tied
TL;DR — Key differences
- AEOS R1 has higher EVF resolution (9,440,000 vs 3,690,000)
- AEOS R1 has higher ISO max (native) (102,400 vs 64,000)
- BEOS R6 Mark III has lower Weight (699 g vs 1115 g)
- BEOS R6 Mark III has higher Resolution (32.5 MP vs 24.2 MP)
- AEOS R1 has higher EVF magnification (0.9 × vs 0.76 ×)
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 R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
EOS R1 is 1mm thinner than EOS R6 Mark III but it is also 19mm wider and 51mm taller.
EOS R1 is 416 g heavier than EOS R6 Mark III.
Depth (front-to-back): 87mm EOS R1 · 88mm EOS R6 Mark III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 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 R1
158 × 87 mm
EOS R6 Mark III
138 × 88 mm
Sensor size, to scale
EOS R1
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 R1
✓ 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 R1
AF low-light limit
-7.5 EV vs -6.5 EV — lower is better
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
EVF resolution
9,440,000 vs 3,690,000 — higher is better
ISO max (native)
102,400 vs 64,000 — higher is better
Codecs
Adds RAW
EVF magnification
0.9 × vs 0.76 × — higher is better
Reasons to choose
EOS R6 Mark III
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds SD UHS-II
Weight
699 g vs 1115 g — lower is better
Resolution
32.5 MP vs 24.2 MP — higher is better
Codecs
Adds CRM
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 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 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 R1 or EOS R6 Mark III?
EOS R6 Mark III scores 7.5/10 versus 4.5/10 for EOS R1 — 699g — manageable for travel.
What's the resolution difference between the EOS R1 and EOS R6 Mark III?
EOS R1 is 24.2 MP and EOS R6 Mark III is 32.5 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R1 and EOS R6 Mark III have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while eOS R6 Mark III has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the EOS R6 Mark III?
EOS R1 reaches 40 fps electronic. EOS R6 Mark III reaches 40 fps electronic.
What's the weight difference between the EOS R1 and EOS R6 Mark III?
EOS R1 weighs 1115 g and EOS R6 Mark III weighs 699 g, so the EOS R6 Mark III is 416 g lighter.
Do the EOS R1 and EOS R6 Mark III record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. EOS R6 Mark III: 4K up to 120p.
Are the EOS R1 and EOS R6 Mark III weather sealed?
EOS R1: Yes. EOS R6 Mark III: Yes.
How much does each cost?
EOS R1 launched at $6,299 and EOS R6 Mark III at $2,799. The EOS R6 Mark III is $3,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon press materials.