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 6700
26MP APS-C flagship with AI subject tracking, 4K 120p, and 5-stop IBIS.
$1,399
Released Jul 2023
Alpha 6700 is 8 months newer.
Wins
EOS R6 Mark II
Wins
Alpha 6700
1 categories tied
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TL;DR — Key differences
- AEOS R6 Mark II has higher RAW buffer depth (180 frames vs 44 frames)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 11 fps)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 32,000)
- BAlpha 6700 has higher 4K max frame rate (120 fps vs 60 fps)
- AEOS R6 Mark II has higher Card slots (2 vs 1)
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 6700
122 × 69 × 75 mm
493 g (1.09 lb / 17.39 oz)
EOS R6 Mark II is 16mm wider, 29mm taller, and 13mm thicker than Alpha 6700.
EOS R6 Mark II is 187 g heavier than Alpha 6700.
Depth (front-to-back): 88mm EOS R6 Mark II · 75mm Alpha 6700
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
Alpha 6700
122 × 69 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 6700
122 × 75 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 6700
23.3 × 15.5 mm · APS-C
361 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
Alpha 6700
✓ 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
RAW buffer depth
180 frames vs 44 frames — higher is better
Burst (electronic)
40 fps vs 11 fps — higher is better
ISO max (native)
102,400 vs 32,000 — higher is better
AA filter
Only EOS R6 Mark II supports it
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
Reasons to choose
Alpha 6700
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 122, 69, 75.1
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
4K max frame rate
120 fps vs 60 fps — higher is better
Max video bit rate
600 Mbps vs 340 Mbps — higher is better
Weight
493 g vs 680 g — lower is better
Resolution
26 MP vs 24.2 MP — 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
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
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 6700
Pros
- ✓AI-based subject recognition from A7R V
- ✓4K 120p Super35 — outstanding slow-motion
- ✓5-stop IBIS in a compact APS-C body
- ✓10-bit 4:2:2 internal recording
Cons
- –Single card slot
- –APS-C sensor — narrower DR vs. full-frame
- –LCD resolution 1.03M dots — below competitors
- –No headphone jack
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or Alpha 6700?
EOS R6 Mark II scores 8.5/10 versus 5.0/10 for Alpha 6700 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and Alpha 6700?
EOS R6 Mark II is 24.2 MP and Alpha 6700 is 26 MP, so the Alpha 6700 captures more detail for cropping and large prints.
Do the EOS R6 Mark II and Alpha 6700 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while alpha 6700 has 5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the Alpha 6700?
EOS R6 Mark II reaches 40 fps electronic. Alpha 6700 reaches 11 fps electronic.
What's the weight difference between the EOS R6 Mark II and Alpha 6700?
EOS R6 Mark II weighs 680 g and Alpha 6700 weighs 493 g, so the Alpha 6700 is 187 g lighter.
Do the EOS R6 Mark II and Alpha 6700 record 4K video?
EOS R6 Mark II: 4K up to 60p. Alpha 6700: 4K up to 120p.
Are the EOS R6 Mark II and Alpha 6700 weather sealed?
EOS R6 Mark II: Yes. Alpha 6700: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 570 shots for the Alpha 6700, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and Alpha 6700 at $1,399. The Alpha 6700 is $1,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.