Canon
EOS 6D Mark II
Affordable full-frame DSLR entry with articulating touchscreen and Dual Pixel AF.
$1,999
Released Jun 2017
Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
Z9 is 4.3 years newer.
Wins
EOS 6D Mark II
Wins
Z9
TL;DR — Key differences
- AEOS 6D Mark II has higher Burst (mechanical) (6.5 fps vs 0 fps)
- BZ9 has higher 4K max frame rate (120 fps vs 0 fps)
- BZ9 has higher IBIS effectiveness (6 stops vs 0 stops)
- BZ9 has higher Burst (electronic) (120 fps vs 6.5 fps)
- BZ9 has higher RAW buffer depth (1000 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
EOS 6D Mark II
144 × 111 × 75 mm
765 g (1.69 lb / 26.98 oz)
Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
EOS 6D Mark II is 5mm narrower, 39mm shorter, and 16mm thinner than Z9.
EOS 6D Mark II is 575 g lighter than Z9.
Depth (front-to-back): 75mm EOS 6D Mark II · 91mm Z9
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS 6D Mark II
144 × 111 mm
Z9
149 × 150 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS 6D Mark II
144 × 75 mm
Z9
149 × 91 mm
Sensor size, to scale
EOS 6D Mark II
35.9 × 24 mm · Full Frame
862 mm² area
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS 6D Mark II
✓ more lensesCanon EF
300+
native lenses available
Z9
Nikon Z
90+
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 6D Mark II
Burst (mechanical)
6.5 fps vs 0 fps — higher is better
Codecs
Adds H.264
Dimensions (W×H×D mm)
Adds 144, 110.5, 74.8
Card types
Adds SD UHS-I
AA filter
Only EOS 6D Mark II supports it
Weight
765 g vs 1340 g — lower is better
Battery life (CIPA)
1200 shots vs 740 shots — higher is better
ISO max (native)
40,000 vs 25,600 — higher is better
Reasons to choose
Z9
AF low-light limit
-8.5 EV vs -3 EV — lower is better
Subject recognition
Adds People, Birds, Dogs…
4K max frame rate
120 fps vs 0 fps — higher is better
Codecs
Adds N-RAW, ProRes RAW HQ, ProRes 422 HQ…
IBIS effectiveness
6 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 149, 149.5, 90.5
Card types
Adds CFexpress Type B / XQD, CFexpress Type B / XQD
Burst (electronic)
120 fps vs 6.5 fps — higher is better
Both cameras share
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓Weather sealing — Both support weather sealing
- ✓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 6D Mark II
Pros
- ✓Affordable full-frame
- ✓Articulating screen
- ✓Good ergonomics
Cons
- –26MP dated
- –Single card slot
- –Dynamic range behind mirrorless
Z9
Pros
- ✓45MP stacked
- ✓8K 60p internal
- ✓120fps stills
- ✓Pro build
Cons
- –Heavy body
- –Expensive
- –Large files
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS 6D Mark II or Z9?
Z9 scores 9.5/10 versus 2.0/10 for EOS 6D Mark II — 8K recording for future-proof footage.
What's the resolution difference between the EOS 6D Mark II and Z9?
EOS 6D Mark II is 26.2 MP and Z9 is 45.7 MP, so the Z9 captures more detail for cropping and large prints.
Do the EOS 6D Mark II and Z9 have in-body image stabilization?
EOS 6D Mark II does not have IBIS, while z9 has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS 6D Mark II or the Z9?
EOS 6D Mark II reaches 6.5 fps electronic. Z9 reaches 120 fps electronic.
What's the weight difference between the EOS 6D Mark II and Z9?
EOS 6D Mark II weighs 765 g and Z9 weighs 1340 g, so the EOS 6D Mark II is 575 g lighter.
Do the EOS 6D Mark II and Z9 record 4K video?
EOS 6D Mark II: Full HD. Z9: 8K UHD (max), 4K up to 120p.
Are the EOS 6D Mark II and Z9 weather sealed?
EOS 6D Mark II: Yes. Z9: Yes.
Which has better battery life?
Rated battery life is 1,200 shots (CIPA) for the EOS 6D Mark II and 740 shots for the Z9, giving the EOS 6D Mark II the edge.
How much does each cost?
EOS 6D Mark II launched at $1,999 and Z9 at $5,899. The EOS 6D Mark II is $3,900 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Nikon press materials.