Blackmagic
URSA Mini Pro 12K
12K Super 35 cinema camera with interchangeable PL mount and BRAW recording.
$9,995
Released Jul 2020
Sony
Alpha 7R VI
66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.
$4,499
Released Jun 2026
Alpha 7R VI is 5.9 years newer.
Wins
URSA Mini Pro 12K
Wins
Alpha 7R VI
5 categories tied
TL;DR — Key differences
- BAlpha 7R VI has lower AF low-light limit (-6 EV vs 0 EV)
- BAlpha 7R VI has higher AF points / zones (759 vs 0)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 5,760,000)
- AURSA Mini Pro 12K has higher ISO max (native) (51,200 vs 32,000)
- AURSA Mini Pro 12K has lower Weight (520 g vs 713 g)
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)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
URSA Mini Pro 12K is 5mm wider, 1mm taller, and 5mm thicker than Alpha 7R VI.
URSA Mini Pro 12K is 193 g lighter than Alpha 7R VI.
Depth (front-to-back): 88mm URSA Mini Pro 12K · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
URSA Mini Pro 12K
138 × 98 mm
Alpha 7R VI
133 × 97 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
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
URSA Mini Pro 12K
23.5 × 15.6 mm · APS-C
367 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 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
Alpha 7R VI
✓ more lensesSony E
350+
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
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds CFexpress Type B, SD UHS-II
Pre-Capture / Pre-Release
Only URSA Mini Pro 12K supports it
Internal RAW video
Only URSA Mini Pro 12K supports it
Weather sealing
Only URSA Mini Pro 12K supports it
ISO max (native)
51,200 vs 32,000 — higher is better
Codecs
Adds ProRes
Weight
520 g vs 713 g — lower is better
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs 0 EV — lower is better
AF points / zones
759 vs 0 — higher is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
EVF resolution
9,437,184 vs 5,760,000 — higher is better
Subject recognition
Adds Eye, Insect
Battery life (CIPA)
600 shots vs 520 shots — 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
- ✓Burst (electronic) — Both 30 fps
- ✓4K max frame rate — Both 120 fps
- ✓Max video bit rate — Both 600 Mbps
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
Alpha 7R VI
Pros
- ✓66.8MP fully-stacked Exmor RS sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓8.5-stop in-body stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, URSA Mini Pro 12K or Alpha 7R VI?
URSA Mini Pro 12K scores 10.0/10 versus 6.5/10 for Alpha 7R VI — 30fps burst captures fleeting moments.
What's the resolution difference between the URSA Mini Pro 12K and Alpha 7R VI?
URSA Mini Pro 12K is 80 MP and Alpha 7R VI is 66.8 MP, so the URSA Mini Pro 12K captures more detail for cropping and large prints.
Do the URSA Mini Pro 12K and Alpha 7R VI have in-body image stabilization?
URSA Mini Pro 12K has 8-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the URSA Mini Pro 12K or the Alpha 7R VI?
URSA Mini Pro 12K reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the URSA Mini Pro 12K and Alpha 7R VI?
URSA Mini Pro 12K weighs 520 g and Alpha 7R VI weighs 713 g, so the URSA Mini Pro 12K is 193 g lighter.
Do the URSA Mini Pro 12K and Alpha 7R VI record 4K video?
URSA Mini Pro 12K: 8K / 6K (max), 4K up to 120p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the URSA Mini Pro 12K and Alpha 7R VI weather sealed?
URSA Mini Pro 12K: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the URSA Mini Pro 12K and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
URSA Mini Pro 12K launched at $9,995 and Alpha 7R VI at $4,499. The Alpha 7R VI is $5,496 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Blackmagic and Sony press materials.