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
Launch priceReleased Jul 2024
Leica
M9
First full-frame digital Leica M — 18MP CCD with no AA filter and iconic rangefinder handling.
$6,995
Launch priceReleased Sep 2009
EOS R1 is 14.8 years newer.
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Wins
EOS R1
Wins
M9
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher AF points / zones (1053 vs 49)
- AEOS R1 has higher ISO max (native) (102,400 vs 25,600)
- AEOS R1 has higher EVF resolution (9,440,000 vs 3,690,000)
- AEOS R1 has higher Battery life (CIPA) (1330 shots vs 640 shots)
- AEOS R1 has higher Burst (electronic) (40 fps vs 20 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
M9
139 × 80 × 37 mm
585 g (1.29 lb / 20.64 oz)
EOS R1 is 19mm wider, 70mm taller, and 50mm thicker than M9.
EOS R1 is 335 g heavier than M9.
Depth (front-to-back): 87mm EOS R1 · 37mm M9
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Credit card
85.6 × 54 mm
M9
139 × 80 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
Credit card
85.6 × 54 mm
M9
139 × 37 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
M9
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
M9: mount data unavailable
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 -3 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
AF points / zones
1053 vs 49 — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
EVF resolution
9,440,000 vs 3,690,000 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
Reasons to choose
M9
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 139, 80, 37
Card types
Adds SD UHS-II
Weight
585 g vs 920 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
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
M9
Pros
- ✓First digital FF Leica M
- ✓CCD rendering
- ✓No AA filter
- ✓Historic significance
Cons
- –Very slow by modern standards
- –18MP
- –CCD corrosion risk on used units
Decided which one is right for you?
Compare live prices for the EOS R1 and M9 at major authorized retailers.
Canon EOS R1
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or M9?
EOS R1 scores 10.0/10 versus 5.5/10 for M9 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and M9?
EOS R1 is 24.2 MP and M9 is 18 MP, so the EOS R1 captures more detail for cropping and large prints.
Do the EOS R1 and M9 have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while M9 has 7-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the M9?
EOS R1 reaches 40 fps electronic. M9 reaches 20 fps electronic.
What's the weight difference between the EOS R1 and M9?
EOS R1 weighs 920 g and M9 weighs 585 g, so the M9 is 335 g lighter.
Do the EOS R1 and M9 record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. M9: 4K up to 60p.
Are the EOS R1 and M9 weather sealed?
EOS R1: Yes. M9: No.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the M9, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and M9 at $6,995. The EOS R1 is $696 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs M9 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Leica press materials.