Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
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 R1
Wins
Alpha 7R VI
4 categories tied
TL;DR — Key differences
- AEOS R1 has higher ISO max (native) (102,400 vs 32,000)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.2 MP)
- BAlpha 7R VI has lower Weight (713 g vs 1115 g)
- AEOS R1 has higher AF points / zones (1053 vs 759)
- AEOS R1 has higher Burst (electronic) (40 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
EOS R1
158 × 150 × 87 mm
1115 g (2.46 lb / 39.33 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS R1 is 25mm wider, 53mm taller, and 4mm thicker than Alpha 7R VI.
EOS R1 is 402 g heavier than Alpha 7R VI.
Depth (front-to-back): 87mm EOS R1 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 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 R1
158 × 87 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS R1
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 R1
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 R1
AF low-light limit
-7.5 EV vs -6 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
ISO max (native)
102,400 vs 32,000 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
AA filter
Only EOS R1 supports it
Pre-Capture / Pre-Release
Only EOS R1 supports it
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
Resolution
66.8 MP vs 24.2 MP — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Weight
713 g vs 1115 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓4K max frame rate — Both 120 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Card slots — Both 2
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
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 R1 or Alpha 7R VI?
EOS R1 scores 8.5/10 versus 5.5/10 for Alpha 7R VI — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and Alpha 7R VI?
EOS R1 is 24.2 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 R1 and Alpha 7R VI have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the Alpha 7R VI?
EOS R1 reaches 40 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS R1 and Alpha 7R VI?
EOS R1 weighs 1115 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 402 g lighter.
Do the EOS R1 and Alpha 7R VI record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS R1 and Alpha 7R VI weather sealed?
EOS R1: Yes. Alpha 7R VI: No.
How much does each cost?
EOS R1 launched at $6,299 and Alpha 7R VI at $4,499. The Alpha 7R VI is $1,800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.