Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Launch priceReleased Jul 2024
Ricoh
GR IV Monochrome
Monochrome-only GR IV with 25.74MP APS-C sensor, red filter mode, 5-axis SR, and classic 28mm pocket street-camera design.
$2,199
Launch priceReleased Jan 2026
GR IV Monochrome is 1.5 years newer.
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Wins
EOS R1
Wins
GR IV Monochrome
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher AF points / zones (1053 vs 49)
- AEOS R1 has higher Burst (electronic) (40 fps vs 4 fps)
- AEOS R1 has higher Battery life (CIPA) (1330 shots vs 250 shots)
- BGR IV Monochrome has higher ISO max (native) (409,600 vs 102,400)
- BGR IV Monochrome has lower Weight (262 g vs 920 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
GR IV Monochrome
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
EOS R1 is 48mm wider, 88mm taller, and 55mm thicker than GR IV Monochrome.
EOS R1 is 658 g heavier than GR IV Monochrome.
Depth (front-to-back): 87mm EOS R1 · 33mm GR IV Monochrome
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Credit card
85.6 × 54 mm
GR IV Monochrome
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
Credit card
85.6 × 54 mm
GR IV Monochrome
109 × 33 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
GR IV Monochrome
23.3 × 15.5 mm · APS-C
361 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
GR IV Monochrome: 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 R1
Subject recognition
Adds People, Dogs, Cats…
Codecs
Adds RAW, XF-HEVC S, XF-AVC S…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
AF points / zones
1053 vs 49 — higher is better
Burst (electronic)
40 fps vs 4 fps — higher is better
Battery life (CIPA)
1330 shots vs 250 shots — higher is better
Burst (mechanical)
12 fps vs 4 fps — higher is better
Reasons to choose
GR IV Monochrome
Subject recognition
Adds Face, Eye
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
Card types
Adds microSD, microSDHC, microSDXC UHS-I
ISO max (native)
409,600 vs 102,400 — higher is better
Weight
262 g vs 920 g — lower is better
Resolution
25.74 MP vs 24.2 MP — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
GR IV Monochrome
Pros
- ✓Monochrome APS-C sensor
- ✓ISO 160-409600
- ✓5-axis SR
- ✓Red filter mode
Cons
- –Black-and-white only
- –Fixed lens
- –Full HD video only
Decided which one is right for you?
Compare live prices for the EOS R1 and GR IV Monochrome at major authorized retailers.
Canon EOS R1
Ricoh GR IV Monochrome
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or GR IV Monochrome?
EOS R1 scores 10.0/10 versus 1.5/10 for GR IV Monochrome — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and GR IV Monochrome?
EOS R1 is 24.2 MP and GR IV Monochrome is 25.74 MP, so the GR IV Monochrome captures more detail for cropping and large prints.
Do the EOS R1 and GR IV Monochrome have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while GR IV Monochrome has in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the GR IV Monochrome?
EOS R1 reaches 40 fps electronic. GR IV Monochrome reaches 4 fps electronic.
What's the weight difference between the EOS R1 and GR IV Monochrome?
EOS R1 weighs 920 g and GR IV Monochrome weighs 262 g, so the GR IV Monochrome is 658 g lighter.
Do the EOS R1 and GR IV Monochrome record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. GR IV Monochrome: 4K up to 60p.
Are the EOS R1 and GR IV Monochrome weather sealed?
EOS R1: Yes. GR IV Monochrome: No.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 250 shots for the GR IV Monochrome, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and GR IV Monochrome at $2,199. The GR IV Monochrome is $4,100 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs GR IV Monochrome vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Canon and Ricoh press materials.