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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

Released Oct 2021

vs
Alpha 7R VI

Sony

Alpha 7R VI

66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.

$4,499

Released Jun 2026

Alpha 7R VI is 4.6 years newer.

Wins

3categories

Alpha 7 IV

PortraitWildlife

Wins

7categories

Alpha 7R VI

PortraitVideo & Hybrid

4 categories tied

TL;DR — Key differences

Alpha 7 IV wins 1 categories·Alpha 7R VI wins 4 categories
  • AAlpha 7 IV has higher RAW buffer depth (828 frames vs 150 frames)
  • BAlpha 7R VI has higher Burst (electronic) (30 fps vs 10 fps)
  • BAlpha 7R VI has higher EVF resolution (9,437,184 vs 3,686,400)
  • BAlpha 7R VI has higher Resolution (66.8 MP vs 33 MP)
  • BAlpha 7R VI has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

Alpha 7 IVAlpha 7R VI
Resolution33 MP66.8 MP
SensorFull FrameFull Frame
ISO max51,20032,000
Burst10 fps30 fps
4K60 fps120 fps
IBIS5.5-stopYes
Weight658 g713 g
Battery580 shots600 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)

Alpha 7R VI front view

Alpha 7R VI

133 × 97 × 83 mm

713 g (1.57 lb / 25.15 oz)

Alpha 7 IV is 1mm narrower, 1mm shorter, and 3mm thinner than Alpha 7R VI.

Alpha 7 IV is 55 g lighter than Alpha 7R VI.

Depth (front-to-back): 80mm Alpha 7 IV · 83mm Alpha 7R VI

Back view, to scale

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

Alpha 7 IV

131 × 96 mm

Alpha 7R VI back view

Alpha 7R VI

133 × 97 mm

Top view, to scale

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

Alpha 7 IV

131 × 80 mm

Alpha 7R VI top view

Alpha 7R VI

133 × 83 mm

Sensor size, to scale

Alpha 7 IV

35.9 × 23.9 mm · Full Frame

858 mm² area

Alpha 7R VI

35.9 × 24 mm · Full Frame

862 mm² area

Lens ecosystem

Native lens selection

Alpha 7 IV

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Alpha 7R VI

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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 IVAlpha 7R VI
Portrait
9.0Excellent✓ wins
8.5Excellent
Sports & Action
6.0Good✓ wins
5.5Fair
Video & Hybrid
7.5Good
8.0Excellent✓ wins
Landscape
7.5Good
7.5Good
Travel
7.0Good✓ wins
5.0Fair
Wildlife
8.0Excellent✓ wins
6.5Good
Vlogging
8.0Excellent✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

Alpha 7 IV

  • Dimensions (W×H×D mm)

    Adds 131.3, 96.4, 79.8

  • RAW buffer depth

    828 frames vs 150 frames — higher is better

  • AA filter

    Only Alpha 7 IV supports it

  • Internal RAW video

    Only Alpha 7 IV supports it

  • Weather sealing

    Only Alpha 7 IV supports it

  • Card types

    Adds SD UHS-II

  • ISO max (native)

    51,200 vs 32,000 — higher is better

  • Subject recognition

    Adds Car/Train, Airplane

Reasons to choose

Alpha 7R VI

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 132.7, 96.9, 82.9

  • Burst (electronic)

    30 fps vs 10 fps — higher is better

  • EVF resolution

    9,437,184 vs 3,686,400 — higher is better

  • Resolution

    66.8 MP vs 33 MP — higher is better

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Card types

    Adds SDXC UHS-II

  • Subject recognition

    Adds Eye, Vehicle

Both cameras share

  • ISO min (native)Both 100
  • AF points / zonesBoth 759
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Max video bit rateBoth 600 Mbps
  • In-body stabilizationBoth support in-body stabilization

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

Alpha 7R VI

Pros

  • 66.8MP fully-stacked Exmor RS sensor
  • 30fps blackout-free electronic burst
  • 8K 30p and 4K 120p video
  • 8.5-stop in-body stabilization
  • 9.44M-dot HDR OLED EVF

Cons

  • Very expensive
  • Large files demand fast cards and storage
  • 8K workflow can be heavy

Full specifications

= category winner

Alpha 7 IV
Alpha 7R VI
Resolution
33 MP
66.8 MP2× more
Sensor type
Full Frame Exmor R CMOS
Full-Frame Stacked CMOS
Sensor size
35.9 × 23.9 mm
35.9 × 24.0 mm
AA filter
Yes
No
Alpha 7 IV
Alpha 7R VI
AF system
Fast Hybrid AF (phase-detection / contrast-detection)
Contrast Detection / Phase Detection
AF points / zones
759
759
AF frame coverage
94 %
AF low-light limit
-4 EV
-6 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Animal, Bird, Insect, Car/Train, Airplane
Human, Animal, Bird, Eye, Insect, Vehicle
Alpha 7 IV
Alpha 7R VI
Burst (mechanical)
10 fps
Burst (electronic)
10 fps
30 fps3× more
Pre-Capture / Pre-Release
No
RAW buffer depth
828 frames5.5× more
150 frames
Alpha 7 IV
Alpha 7R VI
Max resolution
4K UHD
8K
4K max frame rate
60 fps
120 fps2× more
Max video bit rate
600 Mbps
600 Mbps
Internal RAW video
Yes
No
Log profile
S-Log3 / HLG / S-Cinetone
S-Cinetone / S-Log3
Codecs
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
Alpha 7 IV
Alpha 7R VI
Weight
658 g−55 g less
713 g
Dimensions (W×H×D mm)
131.3 × 96.4 × 79.8 mm
132.7 × 96.9 × 82.9 mm
Weather sealing
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for vlogging, Alpha 7 IV or Alpha 7R VI?

Alpha 7 IV scores 8.0/10 versus 5.5/10 for Alpha 7R VI — Fully articulating screen — see yourself while filming.

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

Alpha 7 IV is 33 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.

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

Alpha 7 IV has 5.5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the Alpha 7 IV or the Alpha 7R VI?

Alpha 7 IV reaches 10 fps electronic. Alpha 7R VI reaches 30 fps electronic.

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

Alpha 7 IV weighs 658 g and Alpha 7R VI weighs 713 g, so the Alpha 7 IV is 55 g lighter.

Do the Alpha 7 IV and Alpha 7R VI record 4K video?

Alpha 7 IV: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the Alpha 7 IV and Alpha 7R VI weather sealed?

Alpha 7 IV: Yes. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 580 shots (CIPA) for the Alpha 7 IV and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.

How much does each cost?

Alpha 7 IV launched at $2,499 and Alpha 7R VI at $4,499. The Alpha 7 IV is $2,000 less.

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

Product images courtesy of Sony press materials.