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
Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Released May 2022
EOS R6 Mark III is 3.4 years newer.
Wins
EOS R6 Mark III
Wins
EOS R7
5 categories tied
TL;DR — Key differences
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 340 Mbps)
- AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 42 frames)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 32,000)
- AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 60 fps)
- AEOS R6 Mark III has higher AF points / zones (1053 vs 651)
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)
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
EOS R6 Mark III is 3mm thinner than EOS R7 but it is also 6mm wider and 8mm taller.
EOS R6 Mark III is 87 g heavier than EOS R7.
Depth (front-to-back): 88mm EOS R6 Mark III · 92mm EOS R7
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
EOS R7
132 × 90 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
EOS R7
132 × 92 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark III
✓ more lensesCanon RF
105+
native lenses available
EOS R7
✓ more lensesCanon RF
105+
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
AF low-light limit
-6.5 EV vs -5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 340 Mbps — higher is better
RAW buffer depth
150 frames vs 42 frames — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
ISO max (native)
64,000 vs 32,000 — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
Reasons to choose
EOS R7
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
EVF magnification
1.15 × vs 0.76 × — higher is better
Burst (mechanical)
15 fps vs 12 fps — higher is better
Weight
612 g vs 699 g — lower is better
Battery life (CIPA)
660 shots vs 640 shots — higher is better
Both cameras share
- ✓Resolution — Both 32.5 MP
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
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
EOS R7
Pros
- ✓High-resolution 32.5MP APS-C sensor
- ✓Up to 30fps electronic burst
- ✓7-stop in-body stabilization
- ✓Dual SD UHS-II card slots
- ✓Strong value for wildlife and sports reach
Cons
- –APS-C sensor trails full-frame in low-light depth
- –RF-S lens lineup is still limited
- –4K 60p uses a crop in some modes
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R6 Mark III or EOS R7?
EOS R6 Mark III scores 8.0/10 versus 5.5/10 for EOS R7 — 32.5MP — ample resolution for portraits.
What's the resolution difference between the EOS R6 Mark III and EOS R7?
Both cameras share the same 32.5 MP resolution.
Do the EOS R6 Mark III and EOS R7 have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while eOS R7 has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the EOS R7?
EOS R6 Mark III reaches 40 fps electronic. EOS R7 reaches 30 fps electronic.
What's the weight difference between the EOS R6 Mark III and EOS R7?
EOS R6 Mark III weighs 699 g and EOS R7 weighs 612 g, so the EOS R7 is 87 g lighter.
Do the EOS R6 Mark III and EOS R7 record 4K video?
EOS R6 Mark III: 4K up to 120p. EOS R7: 4K up to 60p.
Are the EOS R6 Mark III and EOS R7 weather sealed?
EOS R6 Mark III: Yes. EOS R7: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 660 shots for the EOS R7, giving the EOS R7 the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and EOS R7 at $1,499. The EOS R7 is $1,300 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon press materials.