Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Sony
Alpha 9
First stacked-sensor mirrorless sports camera with 20fps blackout-free shooting.
$4,499
Released Apr 2017
EOS R6 Mark II is 5.6 years newer.
Wins
EOS R6 Mark II
Wins
Alpha 9
4 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 5 fps)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 150 Mbps)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 51,200)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 20 fps)
- AEOS R6 Mark II has higher 4K max frame rate (60 fps vs 30 fps)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
Alpha 9
127 × 96 × 63 mm
673 g (1.48 lb / 23.74 oz)
EOS R6 Mark II is 12mm wider, 3mm taller, and 25mm thicker than Alpha 9.
EOS R6 Mark II is 7 g heavier than Alpha 9.
Depth (front-to-back): 88mm EOS R6 Mark II · 63mm Alpha 9
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Alpha 9
127 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
Alpha 9
127 × 63 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 9
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
Alpha 9
✓ 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 R6 Mark II
AF low-light limit
-6.5 EV vs -3 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Burst (mechanical)
12 fps vs 5 fps — higher is better
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
ISO max (native)
102,400 vs 51,200 — higher is better
Burst (electronic)
40 fps vs 20 fps — higher is better
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
Reasons to choose
Alpha 9
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 63
Codecs
Adds XAVC S, AVCHD
Card types
Adds SD UHS-I
RAW buffer depth
200 frames vs 180 frames — higher is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Weight
673 g vs 680 g — lower is better
Both cameras share
- ✓Resolution — Both 24.2 MP
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
Alpha 9
Pros
- ✓Stacked sensor pioneer
- ✓20fps silent burst
- ✓Pro sports AF
Cons
- –Superseded by A9 II/III
- –24MP
- –Expensive when new
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, EOS R6 Mark II or Alpha 9?
EOS R6 Mark II scores 8.0/10 versus 4.5/10 for Alpha 9 — Fully articulating screen — see yourself while filming.
What's the resolution difference between the EOS R6 Mark II and Alpha 9?
Both cameras share the same 24.2 MP resolution.
Do the EOS R6 Mark II and Alpha 9 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while alpha 9 has 5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the Alpha 9?
EOS R6 Mark II reaches 40 fps electronic. Alpha 9 reaches 20 fps electronic.
What's the weight difference between the EOS R6 Mark II and Alpha 9?
EOS R6 Mark II weighs 680 g and Alpha 9 weighs 673 g, so the Alpha 9 is 7 g lighter.
Do the EOS R6 Mark II and Alpha 9 record 4K video?
EOS R6 Mark II: 4K up to 60p. Alpha 9: 4K up to 30p.
Are the EOS R6 Mark II and Alpha 9 weather sealed?
EOS R6 Mark II: Yes. Alpha 9: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 650 shots for the Alpha 9, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and Alpha 9 at $4,499. The EOS R6 Mark II is $2,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.