Canon
EOS R6 Mark II
Versatile 24.2MP full-frame hybrid with class-leading AF and 4K 60p video.
$2,499
Released Nov 2022
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Released Feb 2021
EOS R6 Mark II is 1.8 years newer.
Wins
EOS R6 Mark II
Wins
FX3
2 categories tied
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TL;DR — Key differences
- AEOS R6 Mark II has higher Burst (electronic) (40 fps vs 10 fps)
- AEOS R6 Mark II has higher Resolution (24.2 MP vs 12.1 MP)
- BFX3 has higher 4K max frame rate (120 fps vs 60 fps)
- BFX3 has higher Max video bit rate (600 Mbps vs 340 Mbps)
- AEOS R6 Mark II has higher AF points / zones (1053 vs 627)
Key specs at a glance
Size and weight, to scale
EOS R6 Mark II
138 × 98 × 88 mm
680 g (1.50 lb / 23.99 oz)
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
EOS R6 Mark II is 9mm wider, 21mm taller, and 4mm thicker than FX3.
EOS R6 Mark II is 35 g lighter than FX3.
Depth (front-to-back): 88mm EOS R6 Mark II · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 Mark II
138 × 98 mm
FX3
130 × 78 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 Mark II
138 × 88 mm
FX3
130 × 85 mm
Sensor size, to scale
EOS R6 Mark II
35.9 × 23.9 mm · Full Frame
858 mm² area
FX3
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
EOS R6 Mark II
Canon RF
105+
native lenses available
FX3
✓ more lensesSony E
350+
native lenses available
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
Why pick one over the other
Reasons to choose
EOS R6 Mark II
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Burst (electronic)
40 fps vs 10 fps — higher is better
Resolution
24.2 MP vs 12.1 MP — higher is better
AF low-light limit
-6.5 EV vs -6 EV — lower is better
Pre-Capture / Pre-Release
Only EOS R6 Mark II supports it
AF points / zones
1053 vs 627 — higher is better
RAW buffer depth
180 frames vs 120 frames — higher is better
Reasons to choose
FX3
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
4K max frame rate
120 fps vs 60 fps — higher is better
Card types
Adds CFexpress Type A
Max video bit rate
600 Mbps vs 340 Mbps — higher is better
ISO min (native)
80 vs 100 — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO max (native) — Both 102,400
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization — Both support in-body stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 Mark II
Pros
- ✓Up to 40fps electronic burst
- ✓4K 60p oversampled from 6K
- ✓Dual Pixel CMOS AF II — superb subject tracking
- ✓8-stop IBIS
- ✓Fully articulating touchscreen
Cons
- –24.2MP may feel limiting for large prints
- –No CFexpress on base body
- –Short battery life vs. A7 IV
FX3
Pros
- ✓Cinema form factor
- ✓S-Log3 / S-Cinetone
- ✓Compact for gimbals
- ✓Full-frame sensor
Cons
- –No EVF
- –Still photo ergonomics limited
- –Single card slot
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R6 Mark II or FX3?
EOS R6 Mark II scores 8.5/10 versus 4.0/10 for FX3 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R6 Mark II and FX3?
EOS R6 Mark II is 24.2 MP and FX3 is 12.1 MP, so the EOS R6 Mark II captures more detail for cropping and large prints.
Do the EOS R6 Mark II and FX3 have in-body image stabilization?
EOS R6 Mark II has 8-stop in-body image stabilization, while fX3 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 Mark II or the FX3?
EOS R6 Mark II reaches 40 fps electronic. FX3 reaches 10 fps electronic.
What's the weight difference between the EOS R6 Mark II and FX3?
EOS R6 Mark II weighs 680 g and FX3 weighs 715 g, so the EOS R6 Mark II is 35 g lighter.
Do the EOS R6 Mark II and FX3 record 4K video?
EOS R6 Mark II: 4K up to 60p. FX3: 4K up to 120p.
Are the EOS R6 Mark II and FX3 weather sealed?
EOS R6 Mark II: Yes. FX3: Yes.
Which has better battery life?
Rated battery life is 760 shots (CIPA) for the EOS R6 Mark II and 580 shots for the FX3, giving the EOS R6 Mark II the edge.
How much does each cost?
EOS R6 Mark II launched at $2,499 and FX3 at $3,899. The EOS R6 Mark II is $1,400 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.