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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

vs
EOS R8 Mark II

Canon

EOS R8 Mark II

Compact 24.2MP full-frame RF body with 5-axis IBIS (up to 7.5-stop Coordinated Control IS), Dual Pixel CMOS AF II, 40fps electronic bursts, and 6K-oversampled 4K 60p.

$1,899

Launch price

Released Sep 2026

EOS R8 Mark II is 10 months newer.

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Wins

11categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

2categories

EOS R8 Mark II

Sports & ActionWildlife

6 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·EOS R8 Mark II wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 250 Mbps)
  • AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
  • AEOS R6 Mark III has higher RAW buffer depth (150 frames vs 73 frames)
  • AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 59.94 fps)
  • AEOS R6 Mark III has higher Burst (mechanical) (12 fps vs 6 fps)

Key specs at a glance

EOS R6 Mark IIIEOS R8 Mark II
Resolution32.5 MP24.2 MP
SensorFull FrameFull Frame
ISO max64,00025,600
Burst40 fps40 fps
4K120 fps59.94 fps
IBIS8.5-stop7.5-stop
Weight699 g499 g
Battery640 shots340 shots

Size and weight, to scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 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 R8 Mark II front view

EOS R8 Mark II

131 × 90 × 80 mm

499 g (1.10 lb / 17.60 oz)

EOS R6 Mark III is 7mm wider, 9mm taller, and 9mm thicker than EOS R8 Mark II.

EOS R6 Mark III is 200 g heavier than EOS R8 Mark II.

Depth (front-to-back): 88mm EOS R6 Mark III · 80mm EOS R8 Mark II

Back view, to scale

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

EOS R6 Mark III back view

EOS R6 Mark III

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 R8 Mark II back view

EOS R8 Mark II

131 × 90 mm

Top view, to scale

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

EOS R6 Mark III top view

EOS R6 Mark III

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 R8 Mark II top view

EOS R8 Mark II

131 × 80 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

EOS R8 Mark II

36 × 24 mm · Full Frame

864 mm² area

Lens ecosystem

Native lens selection

EOS R6 Mark III

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

EOS R8 Mark II

✓ 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 R6 Mark IIIEOS R8 Mark II
Portrait
8.0Excellent✓ wins
7.5Good
Sports & Action
10.0Excellent
10.0Excellent
Video & Hybrid
6.5Good✓ wins
3.5Limited
Landscape
7.5Good✓ wins
6.0Good
Travel
7.5Good
8.0Excellent✓ wins
Wildlife
6.5Good
9.0Excellent✓ wins
Vlogging
5.5Fair
6.5Good✓ wins

Why pick one over the other

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

  • Card types

    Adds CFexpress Type B, SD UHS-II

  • Max video bit rate

    2600 Mbps vs 250 Mbps — higher is better

  • Codecs

    Adds CRM, XF-AVC S, H.265…

  • ISO max (native)

    64,000 vs 25,600 — higher is better

  • RAW buffer depth

    150 frames vs 73 frames — higher is better

  • 4K max frame rate

    120 fps vs 59.94 fps — higher is better

Reasons to choose

EOS R8 Mark II

  • AF low-light limit

    -7.5 EV vs -6.5 EV — lower is better

  • Subject recognition

    Adds Human, Animal, Bird…

  • Stabilization modes

    Adds IBIS, Coordinated Control IS, Movie Digital IS…

  • Dimensions (W×H×D mm)

    Adds 131.3, 89.9, 79.8

  • Card types

    Adds SD, SDHC, SDXC

  • Weight

    499 g vs 699 g — lower is better

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 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

EOS R8 Mark II

Pros

  • Lightest EOS full-frame body with IBIS (546g)
  • Up to 7.5-stop Coordinated Control IS
  • 40fps electronic + 20-frame pre-capture
  • Uncropped 6K-oversampled 4K 60p / FHD 180p
  • Wi-Fi 6, USB 10 Gbps, headphone jack

Cons

  • Same 24.2MP sensor as original R8
  • Single SD UHS-II slot
  • LP-E17 battery (~340 LCD / 220 EVF shots)
  • No mechanical shutter

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and EOS R8 Mark II 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 Mark III
EOS R8 Mark II
Resolution
32.5 MP+34%
24.2 MP
Sensor type
Full Frame CMOS
CMOS
Sensor size
35.9 × 23.9 mm
36 x 24 mm
AA filter
Yes
Yes
EOS R6 Mark III
EOS R8 Mark II
Processor
DIGIC X
DIGIC X
EOS R6 Mark III
EOS R8 Mark II
ISO min (native)
100
100
ISO max (native)
64,000+1.3 stops
25,600
ISO max (expanded)
102,400
102,400
EOS R6 Mark III
EOS R8 Mark II
Shutter type
Mechanical / Electronic 1st Curtain + Electronic
Electronic Rolling Shutter
Max mechanical speed
1/8000 sec
1/4000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, EOS R6 Mark III or EOS R8 Mark II?

EOS R6 Mark III scores 6.5/10 versus 3.5/10 for EOS R8 Mark II — 4K 120p slow-motion.

What's the resolution difference between the EOS R6 Mark III and EOS R8 Mark II?

EOS R6 Mark III is 32.5 MP and EOS R8 Mark II is 24.2 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.

Do the EOS R6 Mark III and EOS R8 Mark II have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while EOS R8 Mark II has 7.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the EOS R8 Mark II?

EOS R6 Mark III reaches 40 fps electronic. EOS R8 Mark II reaches 40 fps electronic.

What's the weight difference between the EOS R6 Mark III and EOS R8 Mark II?

EOS R6 Mark III weighs 699 g and EOS R8 Mark II weighs 499 g, so the EOS R8 Mark II is 200 g lighter.

Do the EOS R6 Mark III and EOS R8 Mark II record 4K video?

EOS R6 Mark III: 4K up to 120p. EOS R8 Mark II: 4K up to 59.94p.

Are the EOS R6 Mark III and EOS R8 Mark II weather sealed?

EOS R6 Mark III: Yes. EOS R8 Mark II: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 340 shots for the EOS R8 Mark II, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and EOS R8 Mark II at $1,899. The EOS R8 Mark II is $900 less.

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

Add any camera to get a three-way EOS R6 Mark III vs EOS R8 Mark II vs X comparison.

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

Product images courtesy of Canon press materials.