Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Nikon
D850
Legendary 45MP DSLR still favored by landscape and studio photographers.
$3,299
Released Aug 2017
EOS R6 Mark II is 5.3 years newer.
Wins
EOS R6 Mark II
Wins
D850
1 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher IBIS effectiveness (8 stops vs 0 stops)
- AEOS R6 Mark II has higher AF points / zones (1053 vs 153)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 7 fps)
- AEOS R6 Mark II has higher ISO max (native) (102,400 vs 25,600)
- BD850 has higher Battery life (CIPA) (1840 shots vs 760 shots)
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)
D850
146 × 124 × 79 mm
915 g (2.02 lb / 32.28 oz)
EOS R6 Mark II is 8mm narrower and 26mm shorter than D850 but it is also 10mm thicker.
EOS R6 Mark II is 235 g lighter than D850.
Depth (front-to-back): 88mm EOS R6 Mark II · 79mm D850
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
D850
146 × 124 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
D850
146 × 79 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
D850
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
D850
✓ 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
AF low-light limit
-6.5 EV vs -4 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Codecs
Adds H.265, H.264
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AF points / zones
1053 vs 153 — higher is better
Burst (electronic)
40 fps vs 7 fps — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
Reasons to choose
D850
Codecs
Adds H.264/AVC
Dimensions (W×H×D mm)
Adds 146, 124, 78.5
Battery life (CIPA)
1840 shots vs 760 shots — higher is better
Card types
Adds XQD
Resolution
45.7 MP vs 24.2 MP — higher is better
ISO min (native)
64 vs 100 — lower is better
Both cameras share
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
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
D850
Pros
- ✓45MP DSLR classic
- ✓Excellent dynamic range
- ✓Huge F-mount lens library
Cons
- –DSLR mirror system
- –Heavy
- –No modern mirrorless AF
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or D850?
EOS R6 Mark II scores 8.5/10 versus 1.5/10 for D850 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and D850?
EOS R6 Mark II is 24.2 MP and D850 is 45.7 MP, so the D850 captures more detail for cropping and large prints.
Do the EOS R6 Mark II and D850 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while d850 does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark II or the D850?
EOS R6 Mark II reaches 40 fps electronic. D850 reaches 7 fps electronic.
What's the weight difference between the EOS R6 Mark II and D850?
EOS R6 Mark II weighs 680 g and D850 weighs 915 g, so the EOS R6 Mark II is 235 g lighter.
Do the EOS R6 Mark II and D850 record 4K video?
EOS R6 Mark II: 4K up to 60p. D850: 4K up to 30p.
Are the EOS R6 Mark II and D850 weather sealed?
EOS R6 Mark II: Yes. D850: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 1,840 shots for the D850, giving the D850 the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and D850 at $3,299. The EOS R6 Mark II is $800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Nikon press materials.