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
Launch priceReleased Jan 2026
Xtra
Muse
Pocket gimbal camera with 1-inch CMOS sensor, 4K/120fps slow-motion, 3-axis mechanical gimbal, 10-bit X-Log, and 2-inch OLED touchscreen.
$499
Launch priceReleased Sep 2025
GR IV is 4 months newer.
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Wins
GR IV
Wins
Muse
2 categories tied
Which would you choose?
TL;DR — Key differences
- AGR IV has higher ISO max (native) (204,800 vs 6,400)
- BMuse has higher 1080p max frame rate (240 fps vs 60 fps)
- AGR IV has higher Resolution (25.74 MP vs 9.4 MP)
- BMuse has lower ISO min (native) (50 vs 100)
- BMuse has lower Weight (180 g vs 262 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Credit card
85.6 × 54 mm
for scale
Muse
34 × 140 × 42 mm
180 g (0.40 lb / 6.35 oz)
GR IV is 79mm shorter and 10mm thinner than Muse but it is also 75mm wider.
GR IV is 82 g heavier than Muse.
Depth (front-to-back): 33mm GR IV · 42mm Muse
Back view, to scale
Width × Height — same proportions as the front of the body.
GR IV
109 × 61 mm
Credit card
85.6 × 54 mm
Muse
34 × 140 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR IV
109 × 33 mm
Credit card
85.6 × 54 mm
Muse
34 × 42 mm
Sensor size, to scale
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
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
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
ISO max (native)
204,800 vs 6,400 — higher is better
Card types
Adds microSDHC, microSDXC UHS-I
Resolution
25.74 MP vs 9.4 MP — higher is better
Eye AF
Only GR IV supports it
In-body stabilization (IBIS)
Only GR IV supports it
Reasons to choose
Muse
Codecs
Adds H.264, H.265
Dimensions (W×H×D mm)
Adds 34, 140, 42.2
1080p max frame rate
240 fps vs 60 fps — higher is better
ISO min (native)
50 vs 100 — lower is better
Weight
180 g vs 262 g — lower is better
Both cameras share
- ✓4K max frame rate — Both 60 fps
- ✓Card slots — Both 1
- ✓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.
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
Muse
Pros
- ✓1-inch CMOS at $379
- ✓3-axis mechanical gimbal
- ✓4K/120fps slow-motion
- ✓10-bit X-Log color
Cons
- –No waterproofing
- –Fixed lens
- –No built-in storage
Decided which one is right for you?
Compare live prices for the GR IV and Muse at major authorized retailers.
Ricoh GR IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GR IV or Muse?
GR IV scores 6.5/10 versus 1.0/10 for Muse — 25.74MP — solid resolution.
What's the resolution difference between the GR IV and Muse?
GR IV is 25.74 MP and Muse is 9.4 MP, so the GR IV captures more detail for cropping and large prints.
Do the GR IV and Muse have in-body image stabilization?
GR IV has in-body image stabilization, while Muse uses a 3-axis mechanical gimbal.
What's the weight difference between the GR IV and Muse?
GR IV weighs 262 g and Muse weighs 180 g, so the Muse is 82 g lighter.
Do the GR IV and Muse record 4K video?
GR IV: 4K up to 60p. Muse: 4K up to 60p.
Are the GR IV and Muse weather sealed?
GR IV: No. Muse: No.
How much does each cost?
GR IV launched at $1,499 and Muse at $499. The Muse is $1,000 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR IV vs Muse vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Ricoh and Xtra press materials.