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Sony

Alpha 1

Original 50MP stacked flagship for sports and wildlife pros.

$6,499

Released Jan 2021

vs
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

Alpha 7 IV is 9 months newer.

Wins

6categories

Alpha 1

Video & HybridLandscape

Wins

5categories

Alpha 7 IV

PortraitWildlife

7 categories tied

TL;DR — Key differences

Alpha 1 wins 3 categories·Alpha 7 IV wins 2 categories
  • BAlpha 7 IV has higher RAW buffer depth (828 frames vs 200 frames)
  • BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
  • AAlpha 1 has higher Burst (electronic) (30 fps vs 10 fps)
  • AAlpha 1 has higher EVF resolution (9,437,184 vs 3,686,400)
  • AAlpha 1 has higher 4K max frame rate (120 fps vs 60 fps)

Key specs at a glance

Alpha 1Alpha 7 IV
Resolution50.1 MP33 MP
SensorFull FrameFull Frame
ISO max32,00051,200
Burst30 fps10 fps
4K120 fps60 fps
IBIS5.5-stop5.5-stop
Weight737 g658 g
Battery530 shots580 shots

Size and weight, to scale

Alpha 1

129 × 97 × 81 mm

737 g (1.62 lb / 26.00 oz)

Alpha 7 IV front view

Alpha 7 IV

131 × 96 × 80 mm

658 g (1.45 lb / 23.21 oz)

Alpha 1 is 2mm narrower than Alpha 7 IV but it is also 1mm taller and 1mm thicker.

Alpha 1 is 79 g heavier than Alpha 7 IV.

Depth (front-to-back): 81mm Alpha 1 · 80mm Alpha 7 IV

Sensor size, to scale

Alpha 1

35.9 × 24 mm · Full Frame

862 mm² area

Alpha 7 IV

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

Alpha 1

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

Alpha 7 IV

✓ 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 1Alpha 7 IV
Portrait
8.5Excellent
9.0Excellent✓ wins
Sports & Action
6.5Good✓ wins
6.0Good
Video & Hybrid
9.5Excellent✓ wins
7.5Good
Landscape
9.0Excellent✓ wins
7.5Good
Travel
6.0Good
7.0Good✓ wins
Wildlife
7.5Good
8.0Excellent✓ wins
Vlogging
5.5Fair
8.0Excellent✓ wins

Why pick one over the other

Reasons to choose

Alpha 1

  • Dimensions (W×H×D mm)

    Adds 128.9, 96.9, 80.8

  • Burst (electronic)

    30 fps vs 10 fps — higher is better

  • EVF resolution

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

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • EVF refresh rate

    240 Hz vs 120 Hz — higher is better

  • Resolution

    50.1 MP vs 33 MP — higher is better

  • EVF magnification

    0.9 × vs 0.78 × — higher is better

Reasons to choose

Alpha 7 IV

  • Dimensions (W×H×D mm)

    Adds 131.3, 96.4, 79.8

  • RAW buffer depth

    828 frames vs 200 frames — higher is better

  • Max video bit rate

    600 Mbps vs 150 Mbps — higher is better

  • Subject recognition

    Adds Insect, Car/Train, Airplane

  • ISO max (native)

    51,200 vs 32,000 — higher is better

  • Weight

    658 g vs 737 g — lower is better

  • Battery life (CIPA)

    580 shots vs 530 shots — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • AF points / zonesBoth 759
  • AF frame coverageBoth 94 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af

Pros & cons at a glance

Editorially curated highlights and trade-offs.

Alpha 1

Pros

  • 50MP stacked
  • 30fps burst
  • 8K video
  • Pro AF

Cons

  • Superseded by A1 II
  • Very expensive
  • Large files

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

Full specifications

= category winner

Alpha 1
Alpha 7 IV
Resolution
50.1 MP+52%
33 MP
Sensor type
Full Frame Stacked Exmor RS CMOS
Full Frame Exmor R CMOS
Sensor size
35.9 × 24.0 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
Alpha 1
Alpha 7 IV
AF system
Fast Hybrid AF (phase-detection / contrast-detection)
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
759
759
AF frame coverage
94 %
94 %
AF low-light limit
-4 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
Human, Animal, Bird
Human, Animal, Bird, Insect, Car/Train, Airplane
Alpha 1
Alpha 7 IV
Burst (mechanical)
10 fps
10 fps
Burst (electronic)
30 fps3× more
10 fps
Pre-Capture / Pre-Release
No
No
RAW buffer depth
200 frames
828 frames4.1× more
Alpha 1
Alpha 7 IV
Max resolution
8K
4K UHD
4K max frame rate
120 fps2× more
60 fps
Max video bit rate
150 Mbps
600 Mbps4× more
Internal RAW video
Yes
Yes
Log profile
S-Log3 / HLG / S-Cinetone
S-Log3 / HLG / S-Cinetone
Codecs
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
Alpha 1
Alpha 7 IV
Weight
737 g
658 g−79 g less
Dimensions (W×H×D mm)
128.9 × 96.9 × 80.8 mm
131.3 × 96.4 × 79.8 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for vlogging, Alpha 1 or Alpha 7 IV?

Alpha 7 IV scores 8.0/10 versus 5.5/10 for Alpha 1 — Fully articulating screen — see yourself while filming.

What's the resolution difference between the Alpha 1 and Alpha 7 IV?

Alpha 1 is 50.1 MP and Alpha 7 IV is 33 MP, so the Alpha 1 captures more detail for cropping and large prints.

Do the Alpha 1 and Alpha 7 IV have in-body image stabilization?

Alpha 1 has 5.5-stop in-body image stabilization, while alpha 7 IV has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the Alpha 1 or the Alpha 7 IV?

Alpha 1 reaches 30 fps electronic. Alpha 7 IV reaches 10 fps electronic.

What's the weight difference between the Alpha 1 and Alpha 7 IV?

Alpha 1 weighs 737 g and Alpha 7 IV weighs 658 g, so the Alpha 7 IV is 79 g lighter.

Do the Alpha 1 and Alpha 7 IV record 4K video?

Alpha 1: 8K (max), 4K up to 120p. Alpha 7 IV: 4K up to 60p.

Are the Alpha 1 and Alpha 7 IV weather sealed?

Alpha 1: Yes. Alpha 7 IV: Yes.

Which has better battery life?

Rated battery life is 530 shots (CIPA) for the Alpha 1 and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.

How much does each cost?

Alpha 1 launched at $6,499 and Alpha 7 IV at $2,499. The Alpha 7 IV is $4,000 less.

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

Product images courtesy of Sony press materials.