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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

OM System

OM-D E-M1

Original pro MFT body that established Olympus as a serious wildlife and macro system.

$1,399

Launch price

Released Sep 2013

EOS R6 Mark III is 12.1 years newer.

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Wins

8categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

3categories

OM-D E-M1

WildlifeSports & Action

7 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·OM-D E-M1 wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
  • AEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
  • AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 20 fps)
  • AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 60 fps)
  • AEOS R6 Mark III has higher Resolution (32.5 MP vs 16.3 MP)

Key specs at a glance

EOS R6 Mark IIIOM-D E-M1
Resolution32.5 MP16.3 MP
SensorFull FrameMFT
ISO max64,00025,600
Burst40 fps20 fps
4K120 fps60 fps
IBIS8.5-stop7-stop
Weight699 g443 g
Battery640 shots640 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

OM-D E-M1

147 × 94 × 82 mm

443 g (0.98 lb / 15.63 oz)

EOS R6 Mark III is 8mm narrower than OM-D E-M1 but it is also 5mm taller and 6mm thicker.

EOS R6 Mark III is 256 g heavier than OM-D E-M1.

Depth (front-to-back): 88mm EOS R6 Mark III · 82mm OM-D E-M1

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

OM-D E-M1

147 × 94 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

OM-D E-M1

147 × 82 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

OM-D E-M1

17.3 × 13 mm · Micro Four Thirds

225 mm² area

3.8× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

EOS R6 Mark III

Canon RF

105+

native lenses available

45 first-party60 third-party

OM-D E-M1

✓ more lenses

Micro Four Thirds

130+

native lenses available

60 first-party70 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 IIIOM-D E-M1
Portrait
8.0Excellent✓ wins
4.0Fair
Sports & Action
10.0Excellent✓ wins
8.5Excellent
Video & Hybrid
6.5Good✓ wins
6.0Good
Landscape
7.5Good✓ wins
3.5Limited
Travel
7.5Good
8.0Excellent✓ wins
Wildlife
6.5Good
9.0Excellent✓ wins
Vlogging
5.5Fair
7.5Good✓ 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

  • Max video bit rate

    2600 Mbps vs 150 Mbps — higher is better

  • ISO max (native)

    64,000 vs 25,600 — 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

Reasons to choose

OM-D E-M1

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 146.8, 93.6, 82.1

  • AF low-light limit

    -7 EV vs -6.5 EV — lower is better

  • Weight

    443 g vs 699 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
  • 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

OM-D E-M1

Pros

  • Pro build
  • Weather sealed
  • Fast AF for era
  • Compact pro system

Cons

  • 16MP dated
  • Superseded
  • MFT limits

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and OM-D E-M1 at major authorized retailers.

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Full specifications

= category winner

EOS R6 Mark III
OM-D E-M1
Resolution
32.5 MP+99%
16.3 MP
Sensor type
Full Frame CMOS
Four Thirds Live MOS
Sensor size
35.9 × 23.9 mm
17.3 × 13.0 mm
AA filter
Yes
Yes
EOS R6 Mark III
OM-D E-M1
Processor
DIGIC X
TruePic X
EOS R6 Mark III
OM-D E-M1
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
OM-D E-M1
Shutter type
Mechanical / Electronic 1st Curtain + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for portraits, EOS R6 Mark III or OM-D E-M1?

EOS R6 Mark III scores 8.0/10 versus 4.0/10 for OM-D E-M1 — 32.5MP — ample resolution for portraits.

What's the resolution difference between the EOS R6 Mark III and OM-D E-M1?

EOS R6 Mark III is 32.5 MP and OM-D E-M1 is 16.3 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.

Do the EOS R6 Mark III and OM-D E-M1 have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while OM-D E-M1 has 7-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the OM-D E-M1?

EOS R6 Mark III reaches 40 fps electronic. OM-D E-M1 reaches 20 fps electronic.

What's the weight difference between the EOS R6 Mark III and OM-D E-M1?

EOS R6 Mark III weighs 699 g and OM-D E-M1 weighs 443 g, so the OM-D E-M1 is 256 g lighter.

Do the EOS R6 Mark III and OM-D E-M1 record 4K video?

EOS R6 Mark III: 4K up to 120p. OM-D E-M1: 4K up to 60p.

Are the EOS R6 Mark III and OM-D E-M1 weather sealed?

EOS R6 Mark III: Yes. OM-D E-M1: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 640 shots for the OM-D E-M1, giving the OM-D E-M1 the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and OM-D E-M1 at $1,399. The OM-D E-M1 is $1,400 less.

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

Add any camera to get a three-way EOS R6 Mark III vs OM-D E-M1 vs X comparison.

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

Product images courtesy of Canon and OM System press materials.