Canon
EOS M6 Mark II
Fast APS-C EF-M body with 32.5MP and 14fps — popular on the used market.
$849
Released Aug 2019
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 6.8 years newer.
Wins
EOS M6 Mark II
Wins
Alpha 7R VI
3 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 143)
- 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 EVF resolution (9,437,184 vs 2,360,000)
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
EOS M6 Mark II
138 × 98 × 88 mm
408 g (0.90 lb / 14.39 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
EOS M6 Mark II is 5mm wider, 1mm taller, and 5mm thicker than Alpha 7R VI.
EOS M6 Mark II is 305 g lighter than Alpha 7R VI.
Depth (front-to-back): 88mm EOS M6 Mark II · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS M6 Mark II
138 × 98 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 M6 Mark II
138 × 88 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
EOS M6 Mark II
22.3 × 14.9 mm · APS-C
332 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS M6 Mark II: mount data unavailable
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 M6 Mark II
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
AA filter
Only EOS M6 Mark II supports it
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Pre-Capture / Pre-Release
Only EOS M6 Mark II supports it
Weather sealing
Only EOS M6 Mark II supports it
Weight
408 g vs 713 g — lower is better
Battery life (CIPA)
640 shots vs 600 shots — higher is better
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
AF points / zones
759 vs 143 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
4K max frame rate
120 fps vs 30 fps — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
EVF resolution
9,437,184 vs 2,360,000 — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Burst (electronic) — Both 30 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS M6 Mark II
Pros
- ✓32.5MP APS-C
- ✓14fps
- ✓Compact
Cons
- –EF-M mount dead-end
- –No IBIS
- –No EVF built-in
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 travel, EOS M6 Mark II or Alpha 7R VI?
EOS M6 Mark II scores 9.0/10 versus 5.0/10 for Alpha 7R VI — 408g — ultralight for all-day carry.
What's the resolution difference between the EOS M6 Mark II and Alpha 7R VI?
EOS M6 Mark II is 32.5 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 M6 Mark II and Alpha 7R VI have in-body image stabilization?
EOS M6 Mark II has 6-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the EOS M6 Mark II or the Alpha 7R VI?
EOS M6 Mark II reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the EOS M6 Mark II and Alpha 7R VI?
EOS M6 Mark II weighs 408 g and Alpha 7R VI weighs 713 g, so the EOS M6 Mark II is 305 g lighter.
Do the EOS M6 Mark II and Alpha 7R VI record 4K video?
EOS M6 Mark II: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the EOS M6 Mark II and Alpha 7R VI weather sealed?
EOS M6 Mark II: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS M6 Mark II and 600 shots for the Alpha 7R VI, giving the EOS M6 Mark II the edge.
How much does each cost?
EOS M6 Mark II launched at $849 and Alpha 7R VI at $4,499. The EOS M6 Mark II is $3,650 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.