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
GoPro
HERO12 Black
1/1.9-inch action camera with HDR 5.3K60, 4K120, 2.7K240 slow-mo, HyperSmooth 6.0, and 10m waterproof body.
$349
Released Sep 2023
EOS R6 Mark III is 2.2 years newer.
Wins
EOS R6 Mark III
Wins
HERO12 Black
3 categories tied
TL;DR — Key differences
- AEOS R6 Mark III has higher AF points / zones (1053 vs 0)
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 200 Mbps)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 6,400)
- BHERO12 Black has lower Weight (154 g vs 699 g)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 15 fps)
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)
HERO12 Black
72 × 51 × 34 mm
154 g (0.34 lb / 5.43 oz)
EOS R6 Mark III is 67mm wider, 48mm taller, and 55mm thicker than HERO12 Black.
EOS R6 Mark III is 545 g heavier than HERO12 Black.
Depth (front-to-back): 88mm EOS R6 Mark III · 34mm HERO12 Black
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
HERO12 Black
72 × 51 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
HERO12 Black
72 × 34 mm
Sensor size, to scale
EOS R6 Mark 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
HERO12 Black: mount data unavailable
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 points / zones
1053 vs 0 — higher is better
Subject recognition
Adds People, Dogs, Cats…
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
Max video bit rate
2600 Mbps vs 200 Mbps — higher is better
ISO max (native)
64,000 vs 6,400 — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
Reasons to choose
HERO12 Black
Codecs
Adds H.265 (HEVC)
Dimensions (W×H×D mm)
Adds 71.8, 50.8, 33.6
Card types
Adds microSD
Weight
154 g vs 699 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 120 fps
- ✓Weather sealing — Both support weather sealing
- ✓Battery life (CIPA) — Both 640 shots
- ✓Touchscreen — Both support touchscreen
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
HERO12 Black
Pros
- ✓HDR 5.3K and 4K120
- ✓HyperSmooth 6.0
- ✓10m waterproof
- ✓Strong used value
Cons
- –Superseded by HERO13
- –Fixed lens
- –Smaller battery than HERO13
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, EOS R6 Mark III or HERO12 Black?
EOS R6 Mark III scores 8.0/10 versus 2.0/10 for HERO12 Black — 32.5MP — ample resolution for portraits.
What's the resolution difference between the EOS R6 Mark III and HERO12 Black?
EOS R6 Mark III is 32.5 MP and HERO12 Black is 27.6 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and HERO12 Black have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while hERO12 Black does not have IBIS.
Which shoots faster bursts — the EOS R6 Mark III or the HERO12 Black?
EOS R6 Mark III reaches 40 fps electronic. HERO12 Black reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark III and HERO12 Black?
EOS R6 Mark III weighs 699 g and HERO12 Black weighs 154 g, so the HERO12 Black is 545 g lighter.
Do the EOS R6 Mark III and HERO12 Black record 4K video?
EOS R6 Mark III: 4K up to 120p. HERO12 Black: 4K up to 120p.
Are the EOS R6 Mark III and HERO12 Black weather sealed?
EOS R6 Mark III: Yes. HERO12 Black: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 640 shots for the HERO12 Black, giving the HERO12 Black the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and HERO12 Black at $349. The HERO12 Black is $2,450 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and GoPro press materials.