Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Ricoh
GR III
Street photography icon with 24.24MP APS-C, 28mm equivalent GR lens, 3-axis SR, and snap-focus in a pocket body.
$899
Released Mar 2019
EOS R6 Mark II is 3.7 years newer.
Wins
EOS R6 Mark II
Wins
GR III
3 categories tied
Check current prices
Search these camera bodies at major authorized retailers to check current discounts, bundled lenses, and certified refurbished deals:
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 49)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 4 fps)
- AEOS R6 Mark II has higher Battery life (CIPA) (760 shots vs 200 shots)
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 4 fps)
- BGR III has lower Weight (257 g vs 680 g)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
GR III
109 × 62 × 33 mm
257 g (0.57 lb / 9.07 oz)
EOS R6 Mark II is 29mm wider, 37mm taller, and 55mm thicker than GR III.
EOS R6 Mark II is 423 g heavier than GR III.
Depth (front-to-back): 88mm EOS R6 Mark II · 33mm GR III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
GR III
109 × 62 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
GR III
109 × 33 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
GR III
23.5 × 15.6 mm · APS-C
367 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
GR III: 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 II
Subject recognition
Adds People, Dogs, Cats…
Codecs
Adds H.265, H.264
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds SD UHS-II, SD UHS-II
AF points / zones
1053 vs 49 — higher is better
Burst (electronic)
40 fps vs 4 fps — higher is better
Battery life (CIPA)
760 shots vs 200 shots — higher is better
Burst (mechanical)
12 fps vs 4 fps — higher is better
Reasons to choose
GR III
Subject recognition
Adds Face, Eye
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.9, 33.2
Card types
Adds SD, SDHC, SDXC UHS-I
Weight
257 g vs 680 g — lower is better
Resolution
24.24 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 102,400
- ✓Eye AF — Both support eye af
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
GR III
Pros
- ✓Pocketable APS-C
- ✓28mm equivalent GR lens
- ✓3-axis sensor-shift SR
- ✓Snap focus street shooting
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or GR III?
EOS R6 Mark II scores 8.5/10 versus 0.5/10 for GR III — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and GR III?
EOS R6 Mark II is 24.2 MP and GR III is 24.24 MP, so the GR III captures more detail for cropping and large prints.
Do the EOS R6 Mark II and GR III have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while gR III has in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the GR III?
EOS R6 Mark II reaches 40 fps electronic. GR III reaches 4 fps electronic.
What's the weight difference between the EOS R6 Mark II and GR III?
EOS R6 Mark II weighs 680 g and GR III weighs 257 g, so the GR III is 423 g lighter.
Do the EOS R6 Mark II and GR III record 4K video?
EOS R6 Mark II: 4K up to 60p. GR III: 4K up to 60p.
Are the EOS R6 Mark II and GR III weather sealed?
EOS R6 Mark II: Yes. GR III: No.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 200 shots for the GR III, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and GR III at $899. The GR III is $1,600 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Ricoh press materials.