Canon
EOS 6D Mark II
Affordable full-frame DSLR entry with articulating touchscreen and Dual Pixel AF.
$1,999
Released Jun 2017
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 8.9 years newer.
Wins
EOS 6D Mark II
Wins
Alpha 7R VI
1 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 0 fps)
- BAlpha 7R VI has higher AF points / zones (759 vs 45)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 6.5 fps)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 26.2 MP)
Key specs at a glance
Size and weight, to scale
EOS 6D Mark II
144 × 111 × 75 mm
765 g (1.69 lb / 26.98 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS 6D Mark II is 8mm thinner than Alpha 7R VI but it is also 11mm wider and 14mm taller.
EOS 6D Mark II is 52 g heavier than Alpha 7R VI.
Depth (front-to-back): 75mm EOS 6D Mark II · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS 6D Mark II
144 × 111 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 6D Mark II
144 × 75 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS 6D Mark II
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
EOS 6D Mark II
Canon EF
300+
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 6D Mark II
Dimensions (W×H×D mm)
Adds 144, 110.5, 74.8
Card types
Adds SD UHS-I
AA filter
Only EOS 6D Mark II supports it
Pre-Capture / Pre-Release
Only EOS 6D Mark II supports it
Weather sealing
Only EOS 6D Mark II supports it
Battery life (CIPA)
1200 shots vs 600 shots — higher is better
ISO max (native)
40,000 vs 32,000 — higher is better
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -3 EV — lower is better
Subject recognition
Adds Human, Animal, Bird…
4K max frame rate
120 fps vs 0 fps — higher is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
AF points / zones
759 vs 45 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Burst (electronic)
30 fps vs 6.5 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
- ✓Headphone jack (3.5mm) — Both support headphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS 6D Mark II
Pros
- ✓Affordable full-frame
- ✓Articulating screen
- ✓Good ergonomics
Cons
- –26MP dated
- –Single card slot
- –Dynamic range behind mirrorless
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 video, EOS 6D Mark II or Alpha 7R VI?
Alpha 7R VI scores 8.0/10 versus 2.0/10 for EOS 6D Mark II — 8K recording for future-proof footage.
What's the resolution difference between the EOS 6D Mark II and Alpha 7R VI?
EOS 6D Mark II is 26.2 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 6D Mark II and Alpha 7R VI have in-body image stabilization?
EOS 6D Mark II does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS 6D Mark II or the Alpha 7R VI?
EOS 6D Mark II reaches 6.5 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS 6D Mark II and Alpha 7R VI?
EOS 6D Mark II weighs 765 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 52 g lighter.
Do the EOS 6D Mark II and Alpha 7R VI record 4K video?
EOS 6D Mark II: Full HD. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS 6D Mark II and Alpha 7R VI weather sealed?
EOS 6D Mark II: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 1,200 shots (CIPA) for the EOS 6D Mark II and 600 shots for the Alpha 7R VI, giving the EOS 6D Mark II the edge.
How much does each cost?
EOS 6D Mark II launched at $1,999 and Alpha 7R VI at $4,499. The EOS 6D Mark II is $2,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.