Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Ricoh
GR IV
Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.
$1,499
Released Jan 2026
GR IV is 3.1 years newer.
Wins
EOS R6 Mark II
Wins
GR IV
2 categories tied
TL;DR — Key differences
- AEOS R6 Mark II has higher AF points / zones (1053 vs 49)
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 4 fps)
- AEOS R6 Mark II has higher Battery life (CIPA) (760 shots vs 250 shots)
- AEOS R6 Mark II has higher Burst (mechanical) (12 fps vs 4 fps)
- BGR IV has lower Weight (262 g vs 680 g)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
EOS R6 Mark II is 29mm wider, 37mm taller, and 56mm thicker than GR IV.
EOS R6 Mark II is 418 g heavier than GR IV.
Depth (front-to-back): 88mm EOS R6 Mark II · 33mm GR IV
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
GR IV
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
GR IV
109 × 33 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
GR IV
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 R6 Mark II
✓ more lensesCanon RF
105+
native lenses available
GR 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 II
Subject recognition
Adds People, Dogs, Cats…
Codecs
Adds H.265, H.264
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Card types
Adds SD UHS-II, SD UHS-II
AF points / zones
1053 vs 49 — higher is better
Burst (electronic)
40 fps vs 4 fps — higher is better
Battery life (CIPA)
760 shots vs 250 shots — higher is better
Burst (mechanical)
12 fps vs 4 fps — higher is better
Reasons to choose
GR IV
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
Weight
262 g vs 680 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
- ✓4K max frame rate — Both 60 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
GR IV
Pros
- ✓25.74MP APS-C sensor
- ✓5-axis sensor-shift SR
- ✓53GB internal memory
- ✓Pocketable 28mm GR lens
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or GR IV?
EOS R6 Mark II scores 8.5/10 versus 0.5/10 for GR IV — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and GR IV?
EOS R6 Mark II is 24.2 MP and GR IV is 25.74 MP, so the GR IV captures more detail for cropping and large prints.
Do the EOS R6 Mark II and GR IV have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while gR IV has in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the GR IV?
EOS R6 Mark II reaches 40 fps electronic. GR IV reaches 4 fps electronic.
What's the weight difference between the EOS R6 Mark II and GR IV?
EOS R6 Mark II weighs 680 g and GR IV weighs 262 g, so the GR IV is 418 g lighter.
Do the EOS R6 Mark II and GR IV record 4K video?
EOS R6 Mark II: 4K up to 60p. GR IV: 4K up to 60p.
Are the EOS R6 Mark II and GR IV weather sealed?
EOS R6 Mark II: Yes. GR IV: No.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 250 shots for the GR IV, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and GR IV at $1,499. The GR IV is $1,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Ricoh press materials.