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
Ricoh
GR
Original APS-C GR with 16MP sensor and 28mm equivalent lens — the pocket street camera that started it all.
$799
Launch priceReleased Apr 2013
EOS R6 Mark III is 12.6 years newer.
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Wins
EOS R6 Mark III
Wins
GR
3 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R6 Mark III has higher AF points / zones (1053 vs 49)
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- BGR has lower Weight (245 g vs 699 g)
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 15 fps)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
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
GR
117 × 61 × 35 mm
245 g (0.54 lb / 8.64 oz)
EOS R6 Mark III is 21mm wider, 37mm taller, and 54mm thicker than GR.
EOS R6 Mark III is 454 g heavier than GR.
Depth (front-to-back): 88mm EOS R6 Mark III · 35mm GR
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
GR
117 × 61 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
GR
117 × 35 mm
Sensor size, to scale
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
GR
23.7 × 15.7 mm · APS-C
372 mm² area
2.3× 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
GR: 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 low-light limit
-6.5 EV vs -4 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
AF points / zones
1053 vs 49 — higher is better
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
Burst (electronic)
40 fps vs 15 fps — higher is better
ISO max (native)
64,000 vs 25,600 — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
Reasons to choose
GR
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 117, 61, 34.5
Weight
245 g vs 699 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Battery life (CIPA) — Both 640 shots
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
GR
Pros
- ✓Original GR formula
- ✓APS-C in pocket
- ✓28mm GR lens
- ✓Snap focus culture
Cons
- –16MP dated
- –No IBIS
- –Fixed lens
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and GR at major authorized retailers.
Canon EOS R6 Mark III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, EOS R6 Mark III or GR?
EOS R6 Mark III scores 7.5/10 versus 2.0/10 for GR — 32.5MP — ample resolution.
What's the resolution difference between the EOS R6 Mark III and GR?
EOS R6 Mark III is 32.5 MP and GR is 16.2 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and GR have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while GR has 6-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the GR?
EOS R6 Mark III reaches 40 fps electronic. GR reaches 15 fps electronic.
What's the weight difference between the EOS R6 Mark III and GR?
EOS R6 Mark III weighs 699 g and GR weighs 245 g, so the GR is 454 g lighter.
Do the EOS R6 Mark III and GR record 4K video?
EOS R6 Mark III: 4K up to 120p. GR: 4K up to 60p.
Are the EOS R6 Mark III and GR weather sealed?
EOS R6 Mark III: Yes. GR: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 640 shots for the GR, giving the GR the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and GR at $799. The GR is $2,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R6 Mark III vs GR vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Ricoh press materials.