Canon
EOS 5D Mark IV
Pro 30MP full-frame DSLR still used for weddings, events, and studio work.
$3,499
Released Aug 2016
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 9.8 years newer.
Wins
EOS 5D Mark IV
Wins
Alpha 7R VI
3 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 61)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 7 fps)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 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 30.4 MP)
Key specs at a glance
Size and weight, to scale
EOS 5D Mark IV
151 × 116 × 76 mm
890 g (1.96 lb / 31.39 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS 5D Mark IV is 7mm thinner than Alpha 7R VI but it is also 18mm wider and 20mm taller.
EOS 5D Mark IV is 177 g heavier than Alpha 7R VI.
Depth (front-to-back): 76mm EOS 5D Mark IV · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS 5D Mark IV
151 × 116 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 5D Mark IV
151 × 76 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS 5D Mark IV
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 5D Mark IV
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 5D Mark IV
Dimensions (W×H×D mm)
Adds 150.7, 116.4, 75.9
Card types
Adds CF, SD UHS-I
AA filter
Only EOS 5D Mark IV supports it
Pre-Capture / Pre-Release
Only EOS 5D Mark IV supports it
Codecs
Adds Motion JPEG
Weather sealing
Only EOS 5D Mark IV supports it
Battery life (CIPA)
900 shots vs 600 shots — 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…
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 61 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Burst (electronic)
30 fps vs 7 fps — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 32,000
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS 5D Mark IV
Pros
- ✓30MP proven sensor
- ✓Dual Pixel AF in live view
- ✓Rugged pro build
- ✓Huge EF lens ecosystem
Cons
- –DSLR platform aging
- –4K video limited
- –Heavy
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 5D Mark IV or Alpha 7R VI?
Alpha 7R VI scores 8.0/10 versus 4.0/10 for EOS 5D Mark IV — 8K recording for future-proof footage.
What's the resolution difference between the EOS 5D Mark IV and Alpha 7R VI?
EOS 5D Mark IV is 30.4 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 5D Mark IV and Alpha 7R VI have in-body image stabilization?
EOS 5D Mark IV does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS 5D Mark IV or the Alpha 7R VI?
EOS 5D Mark IV reaches 7 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS 5D Mark IV and Alpha 7R VI?
EOS 5D Mark IV weighs 890 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 177 g lighter.
Do the EOS 5D Mark IV and Alpha 7R VI record 4K video?
EOS 5D Mark IV: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS 5D Mark IV and Alpha 7R VI weather sealed?
EOS 5D Mark IV: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 900 shots (CIPA) for the EOS 5D Mark IV and 600 shots for the Alpha 7R VI, giving the EOS 5D Mark IV the edge.
How much does each cost?
EOS 5D Mark IV launched at $3,499 and Alpha 7R VI at $4,499. The EOS 5D Mark IV is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.