Blackmagic
URSA Mini Pro 12K
12K Super 35 cinema camera with interchangeable PL mount and BRAW recording.
$9,995
Released Jul 2020
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 5.3 years newer.
Wins
URSA Mini Pro 12K
Wins
EOS R6 Mark III
5 categories tied
TL;DR — Key differences
- BEOS R6 Mark III has lower AF low-light limit (-6.5 EV vs 0 EV)
- BEOS R6 Mark III has higher AF points / zones (1053 vs 0)
- BEOS R6 Mark III has higher AF frame coverage (100 % vs 0 %)
- BEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
- AURSA Mini Pro 12K has higher Resolution (80 MP vs 32.5 MP)
Key specs at a glance
Size and weight, to scale
URSA Mini Pro 12K
138 × 98 × 88 mm
520 g (1.15 lb / 18.34 oz)
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
URSA Mini Pro 12K and EOS R6 Mark III share virtually identical body dimensions.
URSA Mini Pro 12K is 179 g lighter than EOS R6 Mark III.
Depth (front-to-back): 88mm URSA Mini Pro 12K · 88mm EOS R6 Mark III
Back view, to scale
Width × Height — same proportions as the front of the body.
URSA Mini Pro 12K
138 × 98 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.
URSA Mini Pro 12K
138 × 88 mm
EOS R6 Mark III
138 × 88 mm
Sensor size, to scale
URSA Mini Pro 12K
23.5 × 15.6 mm · APS-C
367 mm² area
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
URSA Mini Pro 12K: mount data unavailable
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
URSA Mini Pro 12K
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
Resolution
80 MP vs 32.5 MP — higher is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Codecs
Adds ProRes
Weight
520 g vs 699 g — lower is better
RAW buffer depth
200 frames vs 150 frames — higher is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Reasons to choose
EOS R6 Mark III
AF low-light limit
-6.5 EV vs 0 EV — lower is better
AF points / zones
1053 vs 0 — higher is better
AF frame coverage
100 % vs 0 % — higher is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 600 Mbps — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
AA filter
Only EOS R6 Mark III supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 12 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 120 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
URSA Mini Pro 12K
Pros
- ✓12K BRAW
- ✓Pro cinema workflow
- ✓Interchangeable mount
Cons
- –Very expensive
- –Huge files
- –Not handheld friendly
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 wildlife, URSA Mini Pro 12K or EOS R6 Mark III?
URSA Mini Pro 12K scores 10.0/10 versus 6.5/10 for EOS R6 Mark III — 30fps burst captures fleeting moments.
What's the resolution difference between the URSA Mini Pro 12K and EOS R6 Mark III?
URSA Mini Pro 12K is 80 MP and EOS R6 Mark III is 32.5 MP, so the URSA Mini Pro 12K captures more detail for cropping and large prints.
Do the URSA Mini Pro 12K and EOS R6 Mark III have in-body image stabilization?
URSA Mini Pro 12K has 8-stop in-body image stabilization, while eOS R6 Mark III has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the URSA Mini Pro 12K or the EOS R6 Mark III?
URSA Mini Pro 12K reaches 30 fps electronic. EOS R6 Mark III reaches 40 fps electronic.
What's the weight difference between the URSA Mini Pro 12K and EOS R6 Mark III?
URSA Mini Pro 12K weighs 520 g and EOS R6 Mark III weighs 699 g, so the URSA Mini Pro 12K is 179 g lighter.
Do the URSA Mini Pro 12K and EOS R6 Mark III record 4K video?
URSA Mini Pro 12K: 8K / 6K (max), 4K up to 120p. EOS R6 Mark III: 4K up to 120p.
Are the URSA Mini Pro 12K and EOS R6 Mark III weather sealed?
URSA Mini Pro 12K: Yes. EOS R6 Mark III: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the URSA Mini Pro 12K and 640 shots for the EOS R6 Mark III, giving the EOS R6 Mark III the edge.
How much does each cost?
URSA Mini Pro 12K launched at $9,995 and EOS R6 Mark III at $2,799. The EOS R6 Mark III is $7,196 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Blackmagic and Canon press materials.