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Canon

EOS R6

Original 20MP hybrid that proved Canon mirrorless could match Sony for AF and IBIS.

$2,499

Launch price

Released Jul 2020

vs
EOS R6 Mark III

Canon

EOS R6 Mark III

Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.

$2,799

Launch price

Released Nov 2025

EOS R6 Mark III is 5.3 years newer.

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Wins

2categories

EOS R6

WildlifeSports & Action

Wins

7categories

EOS R6 Mark III

Sports & ActionPortrait

9 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 wins 1 categories·EOS R6 Mark III wins 4 categories
  • BEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
  • BEOS R6 Mark III has higher Burst (electronic) (40 fps vs 20 fps)
  • BEOS R6 Mark III has higher 4K max frame rate (120 fps vs 60 fps)
  • BEOS R6 Mark III has higher Resolution (32.5 MP vs 20.1 MP)
  • AEOS R6 has higher ISO max (native) (102,400 vs 64,000)

Key specs at a glance

EOS R6EOS R6 Mark III
Resolution20.1 MP32.5 MP
SensorFull FrameFull Frame
ISO max102,40064,000
Burst20 fps40 fps
4K60 fps120 fps
IBIS8-stop8.5-stop
Weight720 g699 g
Battery640 shots640 shots

Size and weight, to scale

EOS R6

138 × 98 × 88 mm

720 g (1.59 lb / 25.40 oz)

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

Credit card

85.6 × 54 mm

for scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 oz)

EOS R6 and EOS R6 Mark III share virtually identical body dimensions.

EOS R6 is 21 g heavier than EOS R6 Mark III.

Depth (front-to-back): 88mm EOS R6 · 88mm EOS R6 Mark III

Back view, to scale

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

EOS R6

138 × 98 mm

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

Credit card

85.6 × 54 mm

EOS R6 Mark III back view

EOS R6 Mark III

138 × 98 mm

Top view, to scale

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

EOS R6

138 × 88 mm

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

Credit card

85.6 × 54 mm

EOS R6 Mark III top view

EOS R6 Mark III

138 × 88 mm

Sensor size, to scale

EOS R6

35.9 × 23.9 mm · Full Frame

858 mm² area

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R6

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

EOS R6 Mark III

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 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 R6EOS R6 Mark III
Portrait
6.5Good
8.0Excellent✓ wins
Sports & Action
8.5Excellent
10.0Excellent✓ wins
Video & Hybrid
6.0Good
6.5Good✓ wins
Landscape
5.5Fair
7.5Good✓ wins
Travel
6.5Good
7.5Good✓ wins
Wildlife
10.0Excellent✓ wins
6.5Good
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R6

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • ISO max (native)

    102,400 vs 64,000 — higher is better

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

Reasons to choose

EOS R6 Mark III

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Max video bit rate

    2600 Mbps vs 150 Mbps — higher is better

  • Codecs

    Adds CRM, XF-HEVC S, XF-AVC S

  • Burst (electronic)

    40 fps vs 20 fps — higher is better

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

  • Internal RAW video

    Only EOS R6 Mark III supports it

  • Card types

    Adds CFexpress Type B

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • AF points / zonesBoth 1053
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6

Pros

  • 20MP low-light king
  • 8-stop IBIS
  • 4K 60p
  • Proven AF

Cons

  • Superseded by R6 II
  • 20MP resolution
  • No 40fps

EOS R6 Mark III

Pros

  • 32.5MP full-frame sensor
  • 7K RAW video & 4K 120p
  • 40fps electronic burst with Pre-Continuous
  • 8.5-stop IBIS

Cons

  • Single CFexpress Type B + SD slot
  • Smaller LCD than R5 II
  • LP-E6P required for full features

Decided which one is right for you?

Compare live prices for the EOS R6 and EOS R6 Mark III 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 R6
EOS R6 Mark III
Resolution
20.1 MP
32.5 MP+62%
Sensor type
Full Frame CMOS
Full Frame CMOS
Sensor size
35.9 × 23.9 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R6
EOS R6 Mark III
Processor
DIGIC X
DIGIC X
EOS R6
EOS R6 Mark III
ISO min (native)
100
100
ISO max (native)
102,400+0.7 stops
64,000
ISO max (expanded)
204,800
102,400
EOS R6
EOS R6 Mark III
Shutter type
Mechanical + Electronic
Mechanical / Electronic 1st Curtain + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for wildlife, EOS R6 or EOS R6 Mark III?

EOS R6 scores 10.0/10 versus 6.5/10 for EOS R6 Mark III — 20fps burst captures fleeting moments.

What's the resolution difference between the EOS R6 and EOS R6 Mark III?

EOS R6 is 20.1 MP and EOS R6 Mark III is 32.5 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.

Do the EOS R6 and EOS R6 Mark III have in-body image stabilization?

EOS R6 has 8-stop in-body image stabilization, while EOS R6 Mark III has 8.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 or the EOS R6 Mark III?

EOS R6 reaches 20 fps electronic. EOS R6 Mark III reaches 40 fps electronic.

What's the weight difference between the EOS R6 and EOS R6 Mark III?

EOS R6 weighs 720 g and EOS R6 Mark III weighs 699 g, so the EOS R6 Mark III is 21 g lighter.

Do the EOS R6 and EOS R6 Mark III record 4K video?

EOS R6: 4K up to 60p. EOS R6 Mark III: 4K up to 120p.

Are the EOS R6 and EOS R6 Mark III weather sealed?

EOS R6: Yes. EOS R6 Mark III: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 and 640 shots for the EOS R6 Mark III, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 launched at $2,499 and EOS R6 Mark III at $2,799. The EOS R6 is $300 less.

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

Add any camera to get a three-way EOS R6 vs EOS R6 Mark III vs X comparison.

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

Product images courtesy of Canon press materials.