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
Launch priceReleased Nov 2025
Sigma
sd Quattro one
Latest Foveon APS-C body with 61MP-equivalent detail, unique color rendering, and weather sealing.
$2,499
Launch priceReleased Mar 2024
EOS R6 Mark III is 1.7 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
EOS R6 Mark III
Wins
sd Quattro one
4 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark III has higher AF points / zones (1053 vs 49)
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 15 fps)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
- AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Credit card
85.6 × 54 mm
for scale
sd Quattro one
114 × 70 × 60 mm
625 g (1.38 lb / 22.05 oz)
EOS R6 Mark III is 25mm wider, 29mm taller, and 29mm thicker than sd Quattro one.
EOS R6 Mark III is 74 g heavier than sd Quattro one.
Depth (front-to-back): 88mm EOS R6 Mark III · 60mm sd Quattro one
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Credit card
85.6 × 54 mm
sd Quattro one
114 × 70 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark III
138 × 88 mm
Credit card
85.6 × 54 mm
sd Quattro one
114 × 60 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
sd Quattro one
23.5 × 15.7 mm · APS-C
369 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark III
✓ more lensesCanon RF
105+
native lenses available
sd Quattro one: 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 III
AF low-light limit
-6.5 EV vs -5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AF points / zones
1053 vs 49 — higher is better
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
ISO max (native)
64,000 vs 25,600 — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
Reasons to choose
sd Quattro one
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 113.9, 69.9, 59.9
Resolution
61 MP vs 32.5 MP — higher is better
Weight
625 g vs 699 g — lower is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓ISO min (native) — 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)
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
sd Quattro one
Pros
- ✓Unique Foveon color science
- ✓61MP-equivalent detail
- ✓Weather sealed
- ✓Distinct stills look
Cons
- –Slow operation
- –Limited SA lens line
- –Poor high ISO
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and sd Quattro one at major authorized retailers.
Canon EOS R6 Mark III
Sigma sd Quattro one
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or sd Quattro one?
EOS R6 Mark III scores 10.0/10 versus 6.5/10 for sd Quattro one — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and sd Quattro one?
EOS R6 Mark III is 32.5 MP and sd Quattro one is 61 MP, so the sd Quattro one captures more detail for cropping and large prints.
Do the EOS R6 Mark III and sd Quattro one have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while sd Quattro one has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the sd Quattro one?
EOS R6 Mark III reaches 40 fps electronic. sd Quattro one reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark III and sd Quattro one?
EOS R6 Mark III weighs 699 g and sd Quattro one weighs 625 g, so the sd Quattro one is 74 g lighter.
Do the EOS R6 Mark III and sd Quattro one record 4K video?
EOS R6 Mark III: 4K up to 120p. sd Quattro one: 4K up to 60p.
Are the EOS R6 Mark III and sd Quattro one weather sealed?
EOS R6 Mark III: Yes. sd Quattro one: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 640 shots for the sd Quattro one, giving the sd Quattro one the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and sd Quattro one at $2,499. The sd Quattro one is $300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark III vs sd Quattro one vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Sigma press materials.