Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Released May 2023
Q3 is 6 months newer.
Wins
EOS R6 Mark II
Wins
Q3
1 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 4 fps)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 15 fps)
- BQ3 has higher Resolution (60.3 MP vs 24.2 MP)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 150 Mbps)
- AEOS R6 Mark II has higher Battery life (CIPA) (760 shots vs 350 shots)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
Q3
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
EOS R6 Mark II is 4mm thinner than Q3 but it is also 8mm wider and 18mm taller.
EOS R6 Mark II is 63 g lighter than Q3.
Depth (front-to-back): 88mm EOS R6 Mark II · 92mm Q3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Q3
130 × 80 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
Q3
130 × 92 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Q3
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
Q3: 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 R6 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Burst (mechanical)
12 fps vs 4 fps — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
Battery life (CIPA)
760 shots vs 350 shots — higher is better
AA filter
Only EOS R6 Mark II supports it
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
Reasons to choose
Q3
Subject recognition
Adds Human, Face, Eye…
Dimensions (W×H×D mm)
Adds 130, 80, 92
Resolution
60.3 MP vs 24.2 MP — higher is better
ISO min (native)
50 vs 100 — lower is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Codecs
Adds ProRes
EVF magnification
0.79 × vs 0.76 × — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 60 fps
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
Q3
Pros
- ✓60MP full-frame
- ✓Summilux 28mm lens
- ✓Built like a tank
- ✓Unique aesthetic
Cons
- –Fixed lens
- –Very expensive
- –No interchangeable system
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, EOS R6 Mark II or Q3?
EOS R6 Mark II scores 8.0/10 versus 3.0/10 for Q3 — Fully articulating screen — see yourself while filming.
What's the resolution difference between the EOS R6 Mark II and Q3?
EOS R6 Mark II is 24.2 MP and Q3 is 60.3 MP, so the Q3 captures more detail for cropping and large prints.
Do the EOS R6 Mark II and Q3 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while q3 does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark II or the Q3?
EOS R6 Mark II reaches 40 fps electronic. Q3 reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark II and Q3?
EOS R6 Mark II weighs 680 g and Q3 weighs 743 g, so the EOS R6 Mark II is 63 g lighter.
Do the EOS R6 Mark II and Q3 record 4K video?
EOS R6 Mark II: 4K up to 60p. Q3: 8K (max), 4K up to 60p.
Are the EOS R6 Mark II and Q3 weather sealed?
EOS R6 Mark II: Yes. Q3: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 350 shots for the Q3, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and Q3 at $5,995. The EOS R6 Mark II is $3,496 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Leica press materials.