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EOS R5

Canon

EOS R5

45MP full-frame hybrid with 8K RAW, 4K 120p, strong AF, and 8-stop in-body stabilization.

$3,899

Launch price

Released Jul 2020

vs
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

Alpha 7 IV is 1.3 years newer.

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Wins

10categories

EOS R5

Video & HybridPortrait

Wins

4categories

Alpha 7 IV

PortraitWildlife

4 categories tied

Which would you choose?

TL;DR — Key differences

EOS R5 wins 4 categories·Alpha 7 IV wins 1 categories
  • BAlpha 7 IV has higher RAW buffer depth (828 frames vs 180 frames)
  • AEOS R5 has higher Max video bit rate (2600 Mbps vs 600 Mbps)
  • AEOS R5 has higher Burst (electronic) (20 fps vs 10 fps)
  • AEOS R5 has higher 4K max frame rate (120 fps vs 60 fps)
  • AEOS R5 has higher EVF resolution (5,760,000 vs 3,686,400)

Key specs at a glance

EOS R5Alpha 7 IV
Resolution45 MP33 MP
SensorFull FrameFull Frame
ISO max51,20051,200
Burst20 fps10 fps
4K120 fps60 fps
IBIS8-stop5.5-stop
Weight738 g658 g
Battery490 shots580 shots

Size and weight, to scale

EOS R5 front view

EOS R5

139 × 98 × 88 mm

738 g (1.63 lb / 26.03 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 IV front view

Alpha 7 IV

131 × 96 × 80 mm

658 g (1.45 lb / 23.21 oz)

EOS R5 is 7mm wider, 1mm taller, and 8mm thicker than Alpha 7 IV.

EOS R5 is 80 g heavier than Alpha 7 IV.

Depth (front-to-back): 88mm EOS R5 · 80mm Alpha 7 IV

Back view, to scale

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

EOS R5 back view

EOS R5

139 × 98 mm

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

Credit card

85.6 × 54 mm

Alpha 7 IV back view

Alpha 7 IV

131 × 96 mm

Top view, to scale

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

EOS R5 top view

EOS R5

139 × 88 mm

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

Credit card

85.6 × 54 mm

Alpha 7 IV top view

Alpha 7 IV

131 × 80 mm

Sensor size, to scale

EOS R5

36 × 24 mm · Full Frame

864 mm² area

Alpha 7 IV

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R5

Canon RF

105+

native lenses available

45 first-party60 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 caseEOS R5Alpha 7 IV
Portrait
8.5Excellent
9.0Excellent✓ wins
Sports & Action
8.0Excellent✓ wins
6.5Good
Video & Hybrid
9.5Excellent✓ wins
7.5Good
Landscape
8.5Excellent✓ wins
7.5Good
Travel
6.0Good
7.0Good✓ wins
Wildlife
5.0Fair
8.0Excellent✓ wins
Vlogging
5.5Fair
8.0Excellent✓ wins

Why pick one over the other

Reasons to choose

EOS R5

  • AF low-light limit

    -6 EV vs -4 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 138.5, 97.5, 88

  • Max video bit rate

    2600 Mbps vs 600 Mbps — higher is better

  • Burst (electronic)

    20 fps vs 10 fps — higher is better

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Card types

    Adds CFexpress Type B

  • EVF resolution

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

Reasons to choose

Alpha 7 IV

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 131.3, 96.4, 79.8

  • RAW buffer depth

    828 frames vs 180 frames — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Card types

    Adds CFexpress Type A

  • Battery life (CIPA)

    580 shots vs 490 shots — higher is better

  • Weight

    658 g vs 738 g — lower 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
  • ISO max (native)Both 51,200
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Internal RAW videoBoth support internal raw video

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R5

Pros

  • 45MP sensor balances resolution and speed
  • 8K RAW and 4K 120p internal video
  • Dual Pixel CMOS AF II with advanced subject tracking
  • 8-stop IBIS
  • CFexpress Type B plus SD UHS-II storage

Cons

  • Heat limits can matter for extended high-end video
  • Battery life is modest
  • Still expensive versus newer enthusiast bodies

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

Decided which one is right for you?

Compare live prices for the EOS R5 and Alpha 7 IV 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 R5
Alpha 7 IV
Resolution
45 MP+36%
33 MP
Sensor type
Full Frame CMOS
Full Frame Exmor R CMOS
Sensor size
36.0 × 24.0 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R5
Alpha 7 IV
Processor
DIGIC X
BIONZ XR
EOS R5
Alpha 7 IV
ISO min (native)
100
100
ISO max (native)
51,200
51,200
ISO max (expanded)
102,400
204,800
EOS R5
Alpha 7 IV
Shutter type
Mechanical + Electronic
Mechanical + Electronic
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 wildlife, EOS R5 or Alpha 7 IV?

Alpha 7 IV scores 8.0/10 versus 5.0/10 for EOS R5 — Bird AF subject recognition.

What's the resolution difference between the EOS R5 and Alpha 7 IV?

EOS R5 is 45 MP and Alpha 7 IV is 33 MP, so the EOS R5 captures more detail for cropping and large prints.

Do the EOS R5 and Alpha 7 IV have in-body image stabilization?

EOS R5 has 8-stop in-body image stabilization, while Alpha 7 IV has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R5 or the Alpha 7 IV?

EOS R5 reaches 20 fps electronic. Alpha 7 IV reaches 10 fps electronic.

What's the weight difference between the EOS R5 and Alpha 7 IV?

EOS R5 weighs 738 g and Alpha 7 IV weighs 658 g, so the Alpha 7 IV is 80 g lighter.

Do the EOS R5 and Alpha 7 IV record 4K video?

EOS R5: 8K RAW (max), 4K up to 120p. Alpha 7 IV: 4K up to 60p.

Are the EOS R5 and Alpha 7 IV weather sealed?

EOS R5: Yes. Alpha 7 IV: Yes.

Which has better battery life?

Rated battery life is 490 shots (CIPA) for the EOS R5 and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.

How much does each cost?

EOS R5 launched at $3,899 and Alpha 7 IV at $2,499. The Alpha 7 IV is $1,400 less.

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

Add any camera to get a three-way EOS R5 vs Alpha 7 IV vs X comparison.

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

Product images courtesy of Canon and Sony press materials.