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Canon

EOS R3

Pro 24MP full-frame stacked-sensor body built for sports, news, wildlife, and high-speed hybrid capture.

$5,999

Launch price

Released Sep 2021

vs
Alpha 7 V

Sony

Alpha 7 V

33MP partially stacked Exmor RS hybrid with BIONZ XR2 AI, 30fps blackout-free burst, 7.5-stop IBIS, and 4K 60p oversampled from 7K.

$2,899

Launch price

Released Dec 2025

Alpha 7 V is 4.3 years newer.

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Wins

9categories

EOS R3

Video & HybridPortrait

Wins

4categories

Alpha 7 V

WildlifePortrait

5 categories tied

TL;DR — Key differences

EOS R3 wins 4 categories·Alpha 7 V wins 1 categories
  • AEOS R3 has higher Max video bit rate (2600 Mbps vs 600 Mbps)
  • AEOS R3 has higher ISO max (native) (102,400 vs 51,200)
  • AEOS R3 has higher RAW buffer depth (150 frames vs 95 frames)
  • AEOS R3 has higher EVF resolution (5,760,000 vs 3,686,400)
  • BAlpha 7 V has lower Weight (695 g vs 1015 g)

Key specs at a glance

EOS R3Alpha 7 V
Resolution24.1 MP33 MP
SensorFull FrameFull Frame
ISO max102,40051,200
Burst30 fps30 fps
4K120 fps120 fps
IBIS8-stop7.5-stop
Weight1015 g695 g
Battery620 shots630 shots

Size and weight, to scale

EOS R3

150 × 143 × 87 mm

1015 g (2.24 lb / 35.80 oz)

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

Credit card

85.6 × 54 mm

for scale

Alpha 7 V front view

Alpha 7 V

130 × 96 × 82 mm

695 g (1.53 lb / 24.52 oz)

EOS R3 is 20mm wider, 46mm taller, and 5mm thicker than Alpha 7 V.

EOS R3 is 320 g heavier than Alpha 7 V.

Depth (front-to-back): 87mm EOS R3 · 82mm Alpha 7 V

Back view, to scale

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

EOS R3

150 × 143 mm

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

Credit card

85.6 × 54 mm

Alpha 7 V back view

Alpha 7 V

130 × 96 mm

Top view, to scale

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

EOS R3

150 × 87 mm

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

Credit card

85.6 × 54 mm

Alpha 7 V top view

Alpha 7 V

130 × 82 mm

Sensor size, to scale

EOS R3

36 × 24 mm · Full Frame

864 mm² area

Alpha 7 V

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R3

Canon RF

105+

native lenses available

45 first-party60 third-party

Alpha 7 V

✓ 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 caseEOS R3Alpha 7 V
Portrait
7.5Good
8.0Excellent✓ wins
Sports & Action
7.0Good
8.0Excellent✓ wins
Video & Hybrid
9.0Excellent✓ wins
8.0Excellent
Landscape
7.0Good
7.5Good✓ wins
Travel
6.5Good
7.5Good✓ wins
Wildlife
5.0Fair
10.0Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R3

  • AF low-light limit

    -7.5 EV vs -4 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 150, 142.6, 87.2

  • Max video bit rate

    2600 Mbps vs 600 Mbps — higher is better

  • ISO max (native)

    102,400 vs 51,200 — higher is better

  • Card types

    Adds CFexpress Type B

  • RAW buffer depth

    150 frames vs 95 frames — higher is better

  • EVF resolution

    5,760,000 vs 3,686,400 — higher is better

Reasons to choose

Alpha 7 V

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 130.3, 96.4, 82.4

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Pre-Capture / Pre-Release

    Only Alpha 7 V supports it

  • Card types

    Adds CFexpress Type A / SD UHS-II

  • Weight

    695 g vs 1015 g — lower is better

  • Resolution

    33 MP vs 24.1 MP — higher is better

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Burst (electronic)Both 30 fps
  • 4K max frame rateBoth 120 fps

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R3

Pros

  • 30fps electronic burst from a stacked full-frame sensor
  • Exceptional low-light AF down to -7.5 EV
  • Integrated pro body with large LP-E19 battery
  • 6K RAW video and 4K 120p
  • Rugged weather-sealed construction

Cons

  • 24MP resolution trails higher-detail rivals
  • Large integrated-grip body
  • Expensive compared with enthusiast full-frame bodies

Alpha 7 V

Pros

  • 33MP partially stacked sensor — ~4.5× faster readout than α7 IV
  • Blackout-free 30 fps with full AF/AE (electronic shutter)
  • 7.5-stop central / 6.5-stop peripheral IBIS (CIPA 2024)
  • 759-point phase-detect AF down to EV -4 with AI subject recognition
  • 7K oversampled 4K 60p (full-frame, no pixel binning) + 4K 120p
  • Pre-Capture and dual USB-C (10 Gbps + USB 2.0)
  • Up to 16 stops dynamic range

Cons

  • Premium price vs α7 IV
  • 4K 120p typically requires APS-C / Super 35 crop
  • Heavier than α7 IV (695 g vs 659 g with battery)
  • Complex menu and feature set

Decided which one is right for you?

Compare live prices for the EOS R3 and Alpha 7 V at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

EOS R3
Alpha 7 V
Resolution
24.1 MP
33 MP+37%
Sensor type
Full Frame Stacked BSI CMOS
Full Frame Exmor RS CMOS (partially stacked)
Sensor size
36.0 × 24.0 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R3
Alpha 7 V
Processor
DIGIC X
BIONZ XR2 + AI processing unit
EOS R3
Alpha 7 V
ISO min (native)
100
100
ISO max (native)
102,400+1 stop
51,200
ISO max (expanded)
204,800
204,800
EOS R3
Alpha 7 V
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/64000 sec
1/16000 sec
EOS R3
Alpha 7 V
AF system
Dual Pixel CMOS AF II
Fast Hybrid AF (phase-detection / contrast-detection)
AF points / zones
1053+39%
759
AF frame coverage
100 %+6%
94 %
AF low-light limit
-7.5 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
People, Dogs, Cats, Birds, Motorsport vehicles
Human, Animal, Bird, Insect, Car, Train, Airplane

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, EOS R3 or Alpha 7 V?

Alpha 7 V scores 10.0/10 versus 5.0/10 for EOS R3 — 30fps burst captures fleeting moments.

What's the resolution difference between the EOS R3 and Alpha 7 V?

EOS R3 is 24.1 MP and Alpha 7 V is 33 MP, so the Alpha 7 V captures more detail for cropping and large prints.

Do the EOS R3 and Alpha 7 V have in-body image stabilization?

EOS R3 has 8-stop in-body image stabilization, while alpha 7 V has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R3 or the Alpha 7 V?

EOS R3 reaches 30 fps electronic. Alpha 7 V reaches 30 fps electronic.

What's the weight difference between the EOS R3 and Alpha 7 V?

EOS R3 weighs 1015 g and Alpha 7 V weighs 695 g, so the Alpha 7 V is 320 g lighter.

Do the EOS R3 and Alpha 7 V record 4K video?

EOS R3: 6K RAW (max), 4K up to 120p. Alpha 7 V: 4K up to 120p.

Are the EOS R3 and Alpha 7 V weather sealed?

EOS R3: Yes. Alpha 7 V: Yes.

Which has better battery life?

Rated battery life is 620 shots (CIPA) for the EOS R3 and 630 shots for the Alpha 7 V, giving the Alpha 7 V the edge.

How much does each cost?

EOS R3 launched at $5,999 and Alpha 7 V at $2,899. The Alpha 7 V is $3,100 less.

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

Product images courtesy of Canon and Sony press materials.