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 IVx
40mm-equivalent GR IV sibling with a newly designed 26.1mm f/2.8 lens, 25.74MP APS-C sensor, 5-axis SR, 4K video, 53GB internal storage, and pocket street-camera handling. Winter 2026 planned.
$1,499
Launch priceReleased Dec 2026
GR IVx is 2.3 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
EOS R1
Wins
GR IVx
1 categories tied
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)
- AEOS R1 has higher 4K max frame rate (120 fps vs 30 fps)
- BGR IVx has lower Weight (265 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 IVx
109 × 61 × 33 mm
265 g (0.58 lb / 9.35 oz)
EOS R1 is 48mm wider, 88mm taller, and 54mm thicker than GR IVx.
EOS R1 is 655 g heavier than GR IVx.
Depth (front-to-back): 87mm EOS R1 · 33mm GR IVx
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 IVx
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 IVx
109 × 33 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
GR IVx
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 IVx: 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
4K max frame rate
120 fps vs 30 fps — higher is better
Reasons to choose
GR IVx
Subject recognition
Adds Face, Eye
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 33.4
Card types
Adds microSD, microSDHC, microSDXC UHS-I
Weight
265 g vs 920 g — lower is better
ISO max (native)
204,800 vs 102,400 — higher is better
Resolution
25.74 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓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 IVx
Pros
- ✓New 26.1mm f/2.8 GR lens (40mm equiv.)
- ✓GR IV 25.74MP APS-C + 5-axis SR
- ✓4K 30p/24p and 53GB built-in storage
- ✓Snap focus, 50/71mm crops, 2-stop ND
- ✓Pocketable 265g body
Cons
- –Price not yet announced (listed at GR IV $1,499)
- –Winter 2026 or later — still in development as of Aug 2026
- –No built-in EVF
- –Fixed 40mm-equiv. lens
Decided which one is right for you?
Compare live prices for the EOS R1 and GR IVx at major authorized retailers.
Canon EOS R1
Ricoh GR IVx
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or GR IVx?
EOS R1 scores 10.0/10 versus 1.0/10 for GR IVx — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and GR IVx?
EOS R1 is 24.2 MP and GR IVx is 25.74 MP, so the GR IVx captures more detail for cropping and large prints.
Do the EOS R1 and GR IVx have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while GR IVx has in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the GR IVx?
EOS R1 reaches 40 fps electronic. GR IVx reaches 4 fps electronic.
What's the weight difference between the EOS R1 and GR IVx?
EOS R1 weighs 920 g and GR IVx weighs 265 g, so the GR IVx is 655 g lighter.
Do the EOS R1 and GR IVx record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. GR IVx: 4K up to 30p.
Are the EOS R1 and GR IVx weather sealed?
EOS R1: Yes. GR IVx: No.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 250 shots for the GR IVx, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and GR IVx at $1,499. The GR IVx is $4,800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs GR IVx vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Canon and Ricoh press materials.