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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

Released Nov 2025

vs

Sony

FX2

Compact full-frame cinema camera with 4K 120p, S-Cinetone, and active cooling.

$2,499

Released Feb 2025

EOS R6 Mark III is 8 months newer.

Wins

11categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

2categories

FX2

PortraitWildlife

5 categories tied

TL;DR — Key differences

EOS R6 Mark III wins 5 categories·FX2 wins 0 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 200 Mbps)
  • AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 10 fps)
  • AEOS R6 Mark III has higher 4K max frame rate (120 fps vs 60 fps)
  • AEOS R6 Mark III has higher IBIS effectiveness (8.5 stops vs 5.5 stops)
  • AEOS R6 Mark III has higher AF points / zones (1053 vs 759)

Key specs at a glance

EOS R6 Mark IIIFX2
Resolution32.5 MP33 MP
SensorFull FrameFull Frame
ISO max64,00051,200
Burst40 fps10 fps
4K120 fps60 fps
IBIS8.5-stop5.5-stop
Weight699 g720 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)

FX2

138 × 98 × 88 mm

720 g (1.59 lb / 25.40 oz)

EOS R6 Mark III and FX2 share virtually identical body dimensions.

EOS R6 Mark III is 21 g lighter than FX2.

Depth (front-to-back): 88mm EOS R6 Mark III · 88mm FX2

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

FX2

138 × 98 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

FX2

138 × 88 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

FX2

35.9 × 23.9 mm · Full Frame

858 mm² area

Lens ecosystem

Native lens selection

EOS R6 Mark III

Canon RF

105+

native lenses available

45 first-party60 third-party

FX2

✓ 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 R6 Mark IIIFX2
Portrait
8.0Excellent
8.0Excellent
Sports & Action
8.5Excellent✓ wins
5.0Fair
Video & Hybrid
6.5Good
7.5Good✓ wins
Landscape
7.5Good
7.5Good
Travel
7.5Good
7.5Good
Wildlife
6.5Good
8.0Excellent✓ wins
Vlogging
5.5Fair
5.5Fair

Why pick one over the other

Reasons to choose

EOS R6 Mark III

  • AF low-light limit

    -6.5 EV vs -4 EV — lower is better

  • 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 200 Mbps — higher is better

  • Burst (electronic)

    40 fps vs 10 fps — higher is better

  • Codecs

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

  • Pre-Capture / Pre-Release

    Only EOS R6 Mark III supports it

  • 4K max frame rate

    120 fps vs 60 fps — higher is better

Reasons to choose

FX2

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 138, 98, 88

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

  • Card types

    Adds CFexpress Type A

  • EVF magnification

    0.78 × vs 0.76 × — higher is better

  • Resolution

    33 MP vs 32.5 MP — 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
  • Internal RAW videoBoth support internal raw video
  • In-body stabilizationBoth support in-body stabilization

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

FX2

Pros

  • 4K 120p
  • S-Cinetone / S-Log3
  • Compact cinema body
  • Active cooling

Cons

  • No EVF
  • Photo ergonomics limited
  • Premium price

Full specifications

= category winner

EOS R6 Mark III
FX2
Resolution
32.5 MP
33 MP+2%
Sensor type
Full Frame CMOS
Full Frame Exmor R CMOS
Sensor size
35.9 × 23.9 mm
35.9 × 23.9 mm
AA filter
Yes
Yes
EOS R6 Mark III
FX2
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
-6.5 EV
-4 EV
Eye AF
Yes
Yes
Animal / bird AF
Yes
Yes
Subject recognition
People, Dogs, Cats, Birds, Horses, Cars, Motorbikes, Aircraft, Trains
Human, Animal, Bird, Insect, Car/Train, Airplane
EOS R6 Mark III
FX2
Burst (mechanical)
12 fps+20%
10 fps
Burst (electronic)
40 fps4× more
10 fps
Pre-Capture / Pre-Release
Yes
No
RAW buffer depth
150 frames+25%
120 frames
EOS R6 Mark III
FX2
Max resolution
7K RAW
4K UHD / DCI 4K
4K max frame rate
120 fps2× more
60 fps
Max video bit rate
2600 Mbps13× more
200 Mbps
Internal RAW video
Yes
Yes
Log profile
Canon Log 2 / Canon Log 3 / HDR PQ / HLG
S-Log3 / S-Cinetone
Codecs
CRM, XF-HEVC S, XF-AVC S, H.265, H.264
XAVC HS, XAVC S, XAVC S-I, H.265, H.264
EOS R6 Mark III
FX2
Weight
699 g−21 g less
720 g
Dimensions (W×H×D mm)
138.4 × 98.4 × 88.4 mm
138 × 98 × 88 mm
Weather sealing
Yes
Yes

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, EOS R6 Mark III or FX2?

EOS R6 Mark III scores 8.5/10 versus 5.0/10 for FX2 — 40fps burst — pro-level action capture.

What's the resolution difference between the EOS R6 Mark III and FX2?

EOS R6 Mark III is 32.5 MP and FX2 is 33 MP, so the FX2 captures more detail for cropping and large prints.

Do the EOS R6 Mark III and FX2 have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while fX2 has 5.5-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the FX2?

EOS R6 Mark III reaches 40 fps electronic. FX2 reaches 10 fps electronic.

What's the weight difference between the EOS R6 Mark III and FX2?

EOS R6 Mark III weighs 699 g and FX2 weighs 720 g, so the EOS R6 Mark III is 21 g lighter.

Do the EOS R6 Mark III and FX2 record 4K video?

EOS R6 Mark III: 4K up to 120p. FX2: 4K up to 60p.

Are the EOS R6 Mark III and FX2 weather sealed?

EOS R6 Mark III: Yes. FX2: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 640 shots for the FX2, giving the FX2 the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and FX2 at $2,499. The FX2 is $300 less.

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

Product images courtesy of Canon and Sony press materials.