Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Launch priceReleased Nov 2022
Sony
Alpha 7S
12MP low-light video legend that changed indie filmmaking with incredible high ISO performance.
$2,499
Launch priceReleased Apr 2014
EOS R6 Mark II is 8.6 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
EOS R6 Mark II
Wins
Alpha 7S
5 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 25,600)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 20 fps)
- AEOS R6 Mark II has higher Resolution (24.2 MP vs 12.2 MP)
- AEOS R6 Mark II has higher Max video bit rate (340 Mbps vs 200 Mbps)
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 8 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark II
138 × 98 × 88 mm
670 g (1.48 lb / 23.63 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7S
127 × 94 × 48 mm
489 g (1.08 lb / 17.25 oz)
EOS R6 Mark II is 12mm wider, 4mm taller, and 40mm thicker than Alpha 7S.
EOS R6 Mark II is 181 g heavier than Alpha 7S.
Depth (front-to-back): 88mm EOS R6 Mark II · 48mm Alpha 7S
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Credit card
85.6 × 54 mm
Alpha 7S
127 × 94 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
Credit card
85.6 × 54 mm
Alpha 7S
127 × 48 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7S
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 7S
✓ 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 -4 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
ISO max (native)
102,400 vs 25,600 — higher is better
Burst (electronic)
40 fps vs 20 fps — higher is better
Resolution
24.2 MP vs 12.2 MP — higher is better
Max video bit rate
340 Mbps vs 200 Mbps — higher is better
Burst (mechanical)
12 fps vs 8 fps — higher is better
Reasons to choose
Alpha 7S
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 126.9, 94.4, 48.2
Codecs
Adds ProRes
Weight
489 g vs 670 g — lower is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Both cameras share
- ✓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
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 60 fps
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 7S
Pros
- ✓Legendary low light
- ✓12MP optimized for video
- ✓Full-frame
- ✓Historic video body
Cons
- –12MP for stills
- –No IBIS
- –Superseded by a7S series
Decided which one is right for you?
Compare live prices for the EOS R6 Mark II and Alpha 7S at major authorized retailers.
Canon EOS R6 Mark II
Sony Alpha 7S
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS R6 Mark II or Alpha 7S?
Alpha 7S scores 9.0/10 versus 6.5/10 for EOS R6 Mark II — 20fps burst captures fleeting moments.
What's the resolution difference between the EOS R6 Mark II and Alpha 7S?
EOS R6 Mark II is 24.2 MP and Alpha 7S is 12.2 MP, so the EOS R6 Mark II captures more detail for cropping and large prints.
Do the EOS R6 Mark II and Alpha 7S have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while Alpha 7S has 7-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the Alpha 7S?
EOS R6 Mark II reaches 40 fps electronic. Alpha 7S reaches 20 fps electronic.
What's the weight difference between the EOS R6 Mark II and Alpha 7S?
EOS R6 Mark II weighs 670 g and Alpha 7S weighs 489 g, so the Alpha 7S is 181 g lighter.
Do the EOS R6 Mark II and Alpha 7S record 4K video?
EOS R6 Mark II: 4K up to 60p. Alpha 7S: 4K up to 60p.
Are the EOS R6 Mark II and Alpha 7S weather sealed?
EOS R6 Mark II: Yes. Alpha 7S: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 640 shots for the Alpha 7S, giving the EOS R6 Mark II the edge.
How much does each cost?
Both launched at $2,499.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark II vs Alpha 7S vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Sony press materials.