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
Ricoh
GR Digital IV
Cult compact GR Digital with 10MP CCD sensor, fast 28mm equivalent f/1.9 lens, and sensor-shift stabilization.
$599
Released Sep 2011
EOS R6 Mark III is 14.2 years newer.
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Wins
EOS R6 Mark III
Wins
GR Digital IV
TL;DR — Key differences
- AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 1.54 fps)
- AEOS R6 Mark III has higher ISO max (native) (64,000 vs 3,200)
- AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- AEOS R6 Mark III has higher Burst (mechanical) (12 fps vs 1.54 fps)
- AEOS R6 Mark III has higher Resolution (32.5 MP vs 10 MP)
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)
GR Digital IV
109 × 60 × 33 mm
219 g (0.48 lb / 7.73 oz)
EOS R6 Mark III is 30mm wider, 39mm taller, and 56mm thicker than GR Digital IV.
EOS R6 Mark III is 480 g heavier than GR Digital IV.
Depth (front-to-back): 88mm EOS R6 Mark III · 33mm GR Digital IV
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark III
138 × 98 mm
GR Digital IV
109 × 60 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
GR Digital IV
109 × 33 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
GR Digital IV: 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
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
Burst (electronic)
40 fps vs 1.54 fps — higher is better
ISO max (native)
64,000 vs 3,200 — higher is better
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
Burst (mechanical)
12 fps vs 1.54 fps — higher is better
Reasons to choose
GR Digital IV
Codecs
Adds Motion JPEG AVI
Dimensions (W×H×D mm)
Adds 108.6, 59.8, 32.5
Card types
Adds SD, SDHC, Eye-Fi
Weight
219 g vs 699 g — lower is better
ISO min (native)
80 vs 100 — lower is better
Both cameras share
- ✓In-body stabilization — Both support in-body stabilization
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 Digital IV
Pros
- ✓Fast f/1.9 GR lens
- ✓CCD rendering
- ✓Compact classic
- ✓Sensor-shift stabilization
Cons
- –Small sensor
- –VGA video only
- –Very old model
Decided which one is right for you?
Compare live prices for the EOS R6 Mark III and GR Digital IV at major authorized retailers.
Canon EOS R6 Mark III
Ricoh GR Digital IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark III or GR Digital IV?
EOS R6 Mark III scores 8.5/10 versus 0.5/10 for GR Digital IV — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark III and GR Digital IV?
EOS R6 Mark III is 32.5 MP and GR Digital IV is 10 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS R6 Mark III and GR Digital IV have in-body image stabilization?
EOS R6 Mark III has 8.5-stop in-body image stabilization, while gR Digital IV has in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark III or the GR Digital IV?
EOS R6 Mark III reaches 40 fps electronic. GR Digital IV reaches 1.54 fps electronic.
What's the weight difference between the EOS R6 Mark III and GR Digital IV?
EOS R6 Mark III weighs 699 g and GR Digital IV weighs 219 g, so the GR Digital IV is 480 g lighter.
Do the EOS R6 Mark III and GR Digital IV record 4K video?
EOS R6 Mark III: 4K up to 120p. GR Digital IV: 4K up to 60p.
Are the EOS R6 Mark III and GR Digital IV weather sealed?
EOS R6 Mark III: Yes. GR Digital IV: No.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 390 shots for the GR Digital IV, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS R6 Mark III launched at $2,799 and GR Digital IV at $599. The GR Digital IV is $2,200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Ricoh press materials.