Canon
EOS R8
Lightest Canon full-frame mirrorless — R6 II AF in a compact, affordable body.
$1,499
Released Apr 2023
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 3.2 years newer.
Wins
EOS R8
Wins
Alpha 7R VI
1 categories tied
TL;DR — Key differences
- AEOS R8 has higher AF points / zones (4897 vs 759)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,360,000)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 180 Mbps)
- AEOS R8 has higher ISO max (native) (102,400 vs 32,000)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.2 MP)
Key specs at a glance
Size and weight, to scale
EOS R8
133 × 86 × 70 mm
461 g (1.02 lb / 16.26 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS R8 is 11mm shorter and 13mm thinner than Alpha 7R VI.
EOS R8 is 252 g lighter than Alpha 7R VI.
Depth (front-to-back): 70mm EOS R8 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R8
133 × 86 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 R8
133 × 70 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS R8
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
EOS R8
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 R8
Dimensions (W×H×D mm)
Adds 132.5, 86.1, 70
Card types
Adds SD UHS-II
AF points / zones
4897 vs 759 — higher is better
ISO max (native)
102,400 vs 32,000 — higher is better
AA filter
Only EOS R8 supports it
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Pre-Capture / Pre-Release
Only EOS R8 supports it
Weather sealing
Only EOS R8 supports it
Reasons to choose
Alpha 7R VI
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
EVF resolution
9,437,184 vs 2,360,000 — higher is better
Max video bit rate
600 Mbps vs 180 Mbps — higher is better
Resolution
66.8 MP vs 24.2 MP — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
RAW buffer depth
150 frames vs 70 frames — higher is better
Battery life (CIPA)
600 shots vs 290 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
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R8
Pros
- ✓461g — ultralight full-frame body
- ✓Dual Pixel CMOS AF II (same as R6 II)
- ✓4K 60p oversampled — excellent quality
- ✓Accessible $1,499 price
Cons
- –No in-body stabilization
- –Single SD card slot
- –LP-E17 battery — only 290 CIPA shots
- –USB-C 2.0 — no USB video out
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 R8 or Alpha 7R VI?
Alpha 7R VI scores 8.0/10 versus 4.5/10 for EOS R8 — 8K recording for future-proof footage.
What's the resolution difference between the EOS R8 and Alpha 7R VI?
EOS R8 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 R8 and Alpha 7R VI have in-body image stabilization?
EOS R8 does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS R8 or the Alpha 7R VI?
EOS R8 reaches 40 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS R8 and Alpha 7R VI?
EOS R8 weighs 461 g and Alpha 7R VI weighs 713 g, so the EOS R8 is 252 g lighter.
Do the EOS R8 and Alpha 7R VI record 4K video?
EOS R8: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS R8 and Alpha 7R VI weather sealed?
EOS R8: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 290 shots (CIPA) for the EOS R8 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
EOS R8 launched at $1,499 and Alpha 7R VI at $4,499. The EOS R8 is $3,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.