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Alpha 7 IV

Sony

Alpha 7 IV

33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.

$2,499

Launch price

Released Oct 2021

vs
Muse

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 price

Released Sep 2025

Muse is 3.8 years newer.

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Wins

4categories

Alpha 7 IV

PortraitWildlife

Wins

3categories

Muse

Sports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

Alpha 7 IV wins 3 categories·Muse wins 2 categories
  • AAlpha 7 IV has higher ISO max (native) (51,200 vs 6,400)
  • AAlpha 7 IV has higher Max video bit rate (600 Mbps vs 130 Mbps)
  • BMuse has lower Weight (180 g vs 658 g)
  • AAlpha 7 IV has higher Resolution (33 MP vs 9.4 MP)
  • BMuse has lower ISO min (native) (50 vs 100)

Key specs at a glance

Alpha 7 IVMuse
Resolution33 MP9.4 MP
SensorFull Frame1 inch
ISO max51,2006,400
Burst10 fps
4K60 fps60 fps
IBIS5.5-stopNo
Weight658 g180 g
Battery580 shots

Size and weight, to scale

Alpha 7 IV front view

Alpha 7 IV

131 × 96 × 80 mm

658 g (1.45 lb / 23.21 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Muse front view

Muse

34 × 140 × 42 mm

180 g (0.40 lb / 6.35 oz)

Alpha 7 IV is 44mm shorter than Muse but it is also 97mm wider and 38mm thicker.

Alpha 7 IV is 478 g heavier than Muse.

Depth (front-to-back): 80mm Alpha 7 IV · 42mm Muse

Back view, to scale

Width × Height — same proportions as the front of the body.

Alpha 7 IV back view

Alpha 7 IV

131 × 96 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Muse back view

Muse

34 × 140 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

Alpha 7 IV top view

Alpha 7 IV

131 × 80 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Muse top view

Muse

34 × 42 mm

Sensor size, to scale

Alpha 7 IV

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

Alpha 7 IV

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Muse: 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

Use caseAlpha 7 IVMuse
Portrait
9.0Excellent✓ wins
1.0Limited
Sports & Action
6.5Good
6.5Good
Video & Hybrid
7.5Good✓ wins
4.0Fair
Landscape
7.5Good✓ wins
1.0Limited
Travel
7.0Good✓ wins
3.5Limited
Wildlife
8.0Excellent✓ wins
0.0Limited
Vlogging
8.0Excellent✓ wins
4.0Fair

Why pick one over the other

Reasons to choose

Alpha 7 IV

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 131.3, 96.4, 79.8

  • Card types

    Adds CFexpress Type A, SD UHS-II

  • ISO max (native)

    51,200 vs 6,400 — higher is better

  • Max video bit rate

    600 Mbps vs 130 Mbps — higher is better

  • Resolution

    33 MP vs 9.4 MP — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • AA filter

    Only Alpha 7 IV supports it

Reasons to choose

Muse

  • Dimensions (W×H×D mm)

    Adds 34, 140, 42.2

  • Card types

    Adds microSD

  • Weight

    180 g vs 658 g — lower is better

  • ISO min (native)

    50 vs 100 — lower is better

  • IBIS effectiveness

    6 stops vs 5.5 stops — higher is better

Both cameras share

  • 4K max frame rateBoth 60 fps
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth support bluetooth

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Alpha 7 IV

Pros

  • 33MP — more detail for cropping and print
  • 10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
  • Full-size HDMI port
  • 759 phase-detect AF points

Cons

  • 4K 60p requires Super35 crop
  • 10fps burst lags behind R6 II at 40fps
  • Complex menu system

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 Alpha 7 IV and Muse at major authorized retailers.

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Full specifications

= category winner

Alpha 7 IV
Muse
Resolution
33 MP3.5× more
9.4 MP
Sensor type
Full Frame Exmor R CMOS
1-inch CMOS
Sensor size
35.9 × 23.9 mm
1 inch
AA filter
Yes
No
Alpha 7 IV
Muse
Aperture
f/2.0
Focal length (35mm equiv.)
20 mm
Alpha 7 IV
Muse
Processor
BIONZ XR
Xtra AI processor
Alpha 7 IV
Muse
ISO min (native)
100
50−50 less
ISO max (native)
51,200+3 stops
6,400
ISO max (expanded)
204,800
16,000
Alpha 7 IV
Muse
Shutter type
Mechanical + Electronic
Electronic shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/8000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, Alpha 7 IV or Muse?

Alpha 7 IV scores 9.0/10 versus 1.0/10 for Muse — 33MP — ample resolution for portraits.

What's the resolution difference between the Alpha 7 IV and Muse?

Alpha 7 IV is 33 MP and Muse is 9.4 MP, so the Alpha 7 IV captures more detail for cropping and large prints.

Do the Alpha 7 IV and Muse have in-body image stabilization?

Alpha 7 IV has 5.5-stop in-body image stabilization, while Muse uses a 3-axis mechanical gimbal.

What's the weight difference between the Alpha 7 IV and Muse?

Alpha 7 IV weighs 658 g and Muse weighs 180 g, so the Muse is 478 g lighter.

Do the Alpha 7 IV and Muse record 4K video?

Alpha 7 IV: 4K up to 60p. Muse: 4K up to 60p.

Are the Alpha 7 IV and Muse weather sealed?

Alpha 7 IV: Yes. Muse: No.

How much does each cost?

Alpha 7 IV launched at $2,499 and Muse at $499. The Muse is $2,000 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way Alpha 7 IV vs Muse vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.

Product images courtesy of Sony and Xtra press materials.