Canon
EOS R7
32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.
$1,499
Launch priceReleased May 2022
Ricoh
GR IIIx HDF
GR IIIx variant with built-in Highlight Diffusion Filter and a 40mm equivalent lens for softer street photography rendering.
$1,146
Launch priceReleased Apr 2024
GR IIIx HDF is 1.9 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 R7
Wins
GR IIIx HDF
1 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R7 has higher AF points / zones (651 vs 49)
- AEOS R7 has higher Burst (electronic) (30 fps vs 4 fps)
- AEOS R7 has higher Burst (mechanical) (15 fps vs 4 fps)
- AEOS R7 has higher Battery life (CIPA) (660 shots vs 200 shots)
- BGR IIIx HDF has higher ISO max (native) (102,400 vs 32,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R7
132 × 90 × 92 mm
612 g (1.35 lb / 21.59 oz)
Credit card
85.6 × 54 mm
for scale
GR IIIx HDF
109 × 62 × 35 mm
262 g (0.58 lb / 9.24 oz)
EOS R7 is 23mm wider, 29mm taller, and 57mm thicker than GR IIIx HDF.
EOS R7 is 350 g heavier than GR IIIx HDF.
Depth (front-to-back): 92mm EOS R7 · 35mm GR IIIx HDF
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R7
132 × 90 mm
Credit card
85.6 × 54 mm
GR IIIx HDF
109 × 62 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R7
132 × 92 mm
Credit card
85.6 × 54 mm
GR IIIx HDF
109 × 35 mm
Sensor size, to scale
EOS R7
22.3 × 14.8 mm · APS-C
330 mm² area
GR IIIx HDF
23.5 × 15.6 mm · APS-C
367 mm² area
1.1× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R7
✓ more lensesCanon RF
105+
native lenses available
GR IIIx HDF: 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 R7
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds H.265, AAC, LPCM
Dimensions (W×H×D mm)
Adds 132, 90.4, 91.7
AF points / zones
651 vs 49 — higher is better
Burst (electronic)
30 fps vs 4 fps — higher is better
Burst (mechanical)
15 fps vs 4 fps — higher is better
Battery life (CIPA)
660 shots vs 200 shots — higher is better
AA filter
Only EOS R7 supports it
Reasons to choose
GR IIIx HDF
Subject recognition
Adds Face, Eye
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.9, 35.2
ISO max (native)
102,400 vs 32,000 — higher is better
Weight
262 g vs 612 g — lower is better
Card types
Adds SDXC UHS-I
4K max frame rate
60 fps vs 59.94 fps — 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 R7
Pros
- ✓High-resolution 32.5MP APS-C sensor
- ✓Up to 30fps electronic burst
- ✓7-stop in-body stabilization
- ✓Dual SD UHS-II card slots
- ✓Strong value for wildlife and sports reach
Cons
- –APS-C sensor trails full-frame in low-light depth
- –RF-S lens lineup is still limited
- –4K 60p uses a crop in some modes
GR IIIx HDF
Pros
- ✓Built-in HDF effect
- ✓40mm equivalent GR lens
- ✓Pocketable APS-C
- ✓3-axis SR
Cons
- –No ND filter
- –Fixed lens
- –Full HD video only
Decided which one is right for you?
Compare live prices for the EOS R7 and GR IIIx HDF at major authorized retailers.
Canon EOS R7
Ricoh GR IIIx HDF
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 R7 or GR IIIx HDF?
EOS R7 scores 8.5/10 versus 1.5/10 for GR IIIx HDF — 30fps burst — pro-level action capture.
What's the resolution difference between the EOS R7 and GR IIIx HDF?
EOS R7 is 32.5 MP and GR IIIx HDF is 24.24 MP, so the EOS R7 captures more detail for cropping and large prints.
Do the EOS R7 and GR IIIx HDF have in-body image stabilization?
EOS R7 has 8-stop in-body image stabilization, while GR IIIx HDF has in-body image stabilization.
Which shoots faster bursts — the EOS R7 or the GR IIIx HDF?
EOS R7 reaches 30 fps electronic. GR IIIx HDF reaches 4 fps electronic.
What's the weight difference between the EOS R7 and GR IIIx HDF?
EOS R7 weighs 612 g and GR IIIx HDF weighs 262 g, so the GR IIIx HDF is 350 g lighter.
Do the EOS R7 and GR IIIx HDF record 4K video?
EOS R7: 4K up to 59.94p. GR IIIx HDF: 4K up to 60p.
Are the EOS R7 and GR IIIx HDF weather sealed?
EOS R7: Yes. GR IIIx HDF: No.
Which has better battery life?
Rated battery life is 660 shots (CIPA) for the EOS R7 and 200 shots for the GR IIIx HDF, giving the EOS R7 the edge.
How much does each cost?
EOS R7 launched at $1,499 and GR IIIx HDF at $1,146. The GR IIIx HDF is $353 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R7 vs GR IIIx HDF 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.