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
Launch priceReleased Nov 2025
Nikon
Z6 III
First partially stacked full-frame sensor with 6K N-RAW internal video.
$2,499
Launch priceReleased Jun 2024
EOS R6 Mark III is 1.4 years newer.
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Wins
EOS R6 Mark III
Wins
Z6 III
5 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 250 Mbps)
- BZ6 III has higher RAW buffer depth (1000 frames vs 150 frames)
- AEOS R6 Mark III has higher AF points / zones (1053 vs 299)
- BZ6 III has higher Burst (electronic) (120 fps vs 40 fps)
- AEOS R6 Mark III has higher Battery life (CIPA) (640 shots vs 360 shots)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
Credit card
85.6 × 54 mm
for scale
Z6 III
139 × 102 × 74 mm
760 g (1.68 lb / 26.81 oz)
EOS R6 Mark III is 3mm shorter than Z6 III but it is also 14mm thicker.
EOS R6 Mark III is 61 g lighter than Z6 III.
Depth (front-to-back): 88mm EOS R6 Mark III · 74mm Z6 III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
Credit card
85.6 × 54 mm
Z6 III
139 × 102 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
Credit card
85.6 × 54 mm
Z6 III
139 × 74 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
Z6 III
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
Z6 III
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
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 250 Mbps — higher is better
AF points / zones
1053 vs 299 — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
Card types
Adds SD UHS-II
Battery life (CIPA)
640 shots vs 360 shots — higher is better
Subject recognition
Adds Horses, Motorbikes, Aircraft
Resolution
32.5 MP vs 24.5 MP — higher is better
Reasons to choose
Z6 III
AF low-light limit
-10 EV vs -6.5 EV — lower is better
Dimensions (W×H×D mm)
Adds 138.5, 101.5, 74
RAW buffer depth
1000 frames vs 150 frames — higher is better
Card types
Adds XQD, SD, SDHC…
Burst (electronic)
120 fps vs 40 fps — higher is better
Codecs
Adds ProRes RAW, ProRes RAW HQ, Raw
Burst (mechanical)
20 fps vs 12 fps — higher is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 64,000
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
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
Z6 III
Pros
- ✓Partially stacked CMOS reduces rolling shutter
- ✓6K N-RAW 60p internal — true filmmaking capability
- ✓5.76M dot EVF — best-in-class resolution
- ✓14fps mechanical burst
Cons
- –EN-EL15c battery life only 380 CIPA shots
- –Smaller lens ecosystem vs. Canon RF
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and Z6 III at major authorized retailers.
Canon EOS R6 Mark III
Nikon Z6 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, EOS R6 Mark III or Z6 III?
EOS R6 Mark III scores 7.5/10 versus 5.5/10 for Z6 III — 699g — manageable for travel.
What's the resolution difference between the EOS R6 Mark III and Z6 III?
EOS R6 Mark III is 32.5 MP and Z6 III is 24.5 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and Z6 III have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while Z6 III has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the Z6 III?
EOS R6 Mark III reaches 40 fps electronic. Z6 III reaches 120 fps electronic.
What's the weight difference between the EOS R6 Mark III and Z6 III?
EOS R6 Mark III weighs 699 g and Z6 III weighs 760 g, so the EOS R6 Mark III is 61 g lighter.
Do the EOS R6 Mark III and Z6 III record 4K video?
EOS R6 Mark III: 4K up to 120p. Z6 III: 4K up to 120p.
Are the EOS R6 Mark III and Z6 III weather sealed?
EOS R6 Mark III: Yes. Z6 III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 360 shots for the Z6 III, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and Z6 III at $2,499. The Z6 III is $300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark III vs Z6 III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and Nikon press materials.