Canon
EOS R5 Mark II
45MP stacked-sensor powerhouse with 8K 60p RAW internal and 30fps burst.
$4,299
Released Jul 2024
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 1.9 years newer.
Wins
EOS R5 Mark II
Wins
Alpha 7R VI
4 categories tied
TL;DR — Key differences
- AEOS R5 Mark II has higher Max video bit rate (2600 Mbps vs 600 Mbps)
- AEOS R5 Mark II has higher RAW buffer depth (600 frames vs 150 frames)
- BAlpha 7R VI has higher Battery life (CIPA) (600 shots vs 320 shots)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 5,760,000)
- AEOS R5 Mark II has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
EOS R5 Mark II
138 × 101 × 94 mm
746 g (1.64 lb / 26.31 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS R5 Mark II is 6mm wider, 4mm taller, and 11mm thicker than Alpha 7R VI.
EOS R5 Mark II is 33 g heavier than Alpha 7R VI.
Depth (front-to-back): 94mm EOS R5 Mark II · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R5 Mark II
138 × 101 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R5 Mark II
138 × 94 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS R5 Mark II
36 × 24 mm · Full Frame
864 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
EOS R5 Mark II
Canon RF
105+
native lenses available
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
EOS R5 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 101.2, 93.5
Card types
Adds CFexpress Type B, SD UHS-II
Max video bit rate
2600 Mbps vs 600 Mbps — higher is better
RAW buffer depth
600 frames vs 150 frames — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
AA filter
Only EOS R5 Mark II supports it
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Reasons to choose
Alpha 7R VI
Subject recognition
Adds Human, Animal, Bird…
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
Battery life (CIPA)
600 shots vs 320 shots — higher is better
EVF resolution
9,437,184 vs 5,760,000 — higher is better
Resolution
66.8 MP vs 45 MP — higher is better
EVF magnification
0.9 × 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
- ✓Burst (electronic) — Both 30 fps
- ✓4K max frame rate — Both 120 fps
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R5 Mark II
Pros
- ✓45MP stacked CMOS — speed and resolution
- ✓8K 60p RAW internal recording
- ✓30fps electronic burst at full 45MP
- ✓5.76M dot EVF
Cons
- –Premium $4,299 price
- –Short battery life (320 CIPA shots)
- –Body heat in extended 8K sessions
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 sports, EOS R5 Mark II or Alpha 7R VI?
EOS R5 Mark II scores 9.5/10 versus 5.5/10 for Alpha 7R VI — 30fps burst — pro-level action capture.
What's the resolution difference between the EOS R5 Mark II and Alpha 7R VI?
EOS R5 Mark II is 45 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the EOS R5 Mark II and Alpha 7R VI have in-body image stabilization?
EOS R5 Mark II has 8.5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS R5 Mark II or the Alpha 7R VI?
EOS R5 Mark II reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS R5 Mark II and Alpha 7R VI?
EOS R5 Mark II weighs 746 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 33 g lighter.
Do the EOS R5 Mark II and Alpha 7R VI record 4K video?
EOS R5 Mark II: 8K RAW (max), 4K up to 120p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS R5 Mark II and Alpha 7R VI weather sealed?
EOS R5 Mark II: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 320 shots (CIPA) for the EOS R5 Mark II and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
EOS R5 Mark II launched at $4,299 and Alpha 7R VI at $4,499. The EOS R5 Mark II is $200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.