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
Nikon
D810
36MP full-frame DSLR workhorse prized for landscape, studio, and commercial stills.
$3,299
Launch priceReleased Jun 2014
EOS R6 Mark II is 8.4 years newer.
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Wins
EOS R6 Mark II
Wins
D810
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 Max video bit rate (340 Mbps vs 150 Mbps)
- AEOS R6 Mark II has higher AF points / zones (1053 vs 493)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 20 fps)
- BD810 has higher Resolution (36.3 MP vs 24.2 MP)
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
D810
146 × 123 × 82 mm
980 g (2.16 lb / 34.57 oz)
EOS R6 Mark II is 8mm narrower and 25mm shorter than D810 but it is also 6mm thicker.
EOS R6 Mark II is 310 g lighter than D810.
Depth (front-to-back): 88mm EOS R6 Mark II · 82mm D810
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
D810
146 × 123 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
D810
146 × 82 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
D810
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
D810
✓ more lensesNikon F
270+
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
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
Max video bit rate
340 Mbps vs 150 Mbps — higher is better
AF points / zones
1053 vs 493 — higher is better
AA filter
Only EOS R6 Mark II supports it
Burst (electronic)
40 fps vs 20 fps — higher is better
Internal RAW video
Only EOS R6 Mark II supports it
Reasons to choose
D810
AF low-light limit
-8.5 EV vs -6.5 EV — lower is better
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 146, 123, 82
Resolution
36.3 MP vs 24.2 MP — higher is better
EVF magnification
0.78 × vs 0.76 × — 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
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
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
D810
Pros
- ✓36MP no OPLF
- ✓Excellent dynamic range
- ✓Pro F-mount ecosystem
Cons
- –Superseded by D850
- –Slow live view AF
- –Heavy
Decided which one is right for you?
Compare live prices for the EOS R6 Mark II and D810 at major authorized retailers.
Canon EOS R6 Mark II
Nikon D810
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS R6 Mark II or D810?
D810 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 D810?
EOS R6 Mark II is 24.2 MP and D810 is 36.3 MP, so the D810 captures more detail for cropping and large prints.
Do the EOS R6 Mark II and D810 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while D810 has 7-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the D810?
EOS R6 Mark II reaches 40 fps electronic. D810 reaches 20 fps electronic.
What's the weight difference between the EOS R6 Mark II and D810?
EOS R6 Mark II weighs 670 g and D810 weighs 980 g, so the EOS R6 Mark II is 310 g lighter.
Do the EOS R6 Mark II and D810 record 4K video?
EOS R6 Mark II: 4K up to 60p. D810: 4K up to 60p.
Are the EOS R6 Mark II and D810 weather sealed?
EOS R6 Mark II: Yes. D810: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 640 shots for the D810, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and D810 at $3,299. The EOS R6 Mark II is $800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark II vs D810 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Nikon press materials.