Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Released Nov 2025
Nikon
Z9
Flagship stacked mirrorless with 45MP, 8K video, and no mechanical shutter.
$5,899
Released Oct 2021
EOS R6 Mark III is 4 years newer.
Wins
EOS R6 Mark III
Wins
Z9
3 categories tied
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TL;DR — Key differences
- AEOS R6 Mark III has higher Burst (mechanical) (12 fps vs 0 fps)
- BZ9 has higher RAW buffer depth (1000 frames vs 150 frames)
- BZ9 has higher Burst (electronic) (120 fps vs 40 fps)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
- AEOS R6 Mark III has higher AF points / zones (1053 vs 493)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Z9
149 × 150 × 91 mm
1340 g (2.95 lb / 47.27 oz)
EOS R6 Mark III is 11mm narrower, 51mm shorter, and 2mm thinner than Z9.
EOS R6 Mark III is 641 g lighter than Z9.
Depth (front-to-back): 88mm EOS R6 Mark III · 91mm Z9
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Z9
149 × 150 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark III
138 × 88 mm
Z9
149 × 91 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
Z9
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark III
✓ more lensesCanon RF
105+
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 R6 Mark III
Burst (mechanical)
12 fps vs 0 fps — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds CFexpress Type B, SD UHS-II
ISO max (native)
64,000 vs 25,600 — higher is better
AF points / zones
1053 vs 493 — higher is better
AA filter
Only EOS R6 Mark III supports it
Weight
699 g vs 1340 g — lower is better
Reasons to choose
Z9
AF low-light limit
-8.5 EV vs -6.5 EV — lower is better
Codecs
Adds N-RAW, ProRes RAW HQ, ProRes 422 HQ…
Dimensions (W×H×D mm)
Adds 149, 149.5, 90.5
Card types
Adds CFexpress Type B / XQD, CFexpress Type B / XQD
RAW buffer depth
1000 frames vs 150 frames — higher is better
Burst (electronic)
120 fps vs 40 fps — higher is better
ISO min (native)
64 vs 100 — lower is better
Subject recognition
Adds Bicycles, Motorcycles, Airplanes
Both cameras share
- ✓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 120 fps
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
Z9
Pros
- ✓45MP stacked
- ✓8K 60p internal
- ✓120fps stills
- ✓Pro build
Cons
- –Heavy body
- –Expensive
- –Large files
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and Z9 at major authorized retailers.
Canon EOS R6 Mark III
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, EOS R6 Mark III or Z9?
Z9 scores 9.5/10 versus 6.5/10 for EOS R6 Mark III — 8K recording for future-proof footage.
What's the resolution difference between the EOS R6 Mark III and Z9?
EOS R6 Mark III is 32.5 MP and Z9 is 45.7 MP, so the Z9 captures more detail for cropping and large prints.
Do the EOS R6 Mark III and Z9 have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while z9 has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the Z9?
EOS R6 Mark III reaches 40 fps electronic. Z9 reaches 120 fps electronic.
What's the weight difference between the EOS R6 Mark III and Z9?
EOS R6 Mark III weighs 699 g and Z9 weighs 1340 g, so the EOS R6 Mark III is 641 g lighter.
Do the EOS R6 Mark III and Z9 record 4K video?
EOS R6 Mark III: 4K up to 120p. Z9: 8K UHD (max), 4K up to 120p.
Are the EOS R6 Mark III and Z9 weather sealed?
EOS R6 Mark III: Yes. Z9: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 740 shots for the Z9, giving the Z9 the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and Z9 at $5,899. The EOS R6 Mark III is $3,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Nikon press materials.