Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Released Jul 2024
Sony
FX3
Compact full-frame cinema line camera with S-Cinetone and pro video ergonomics.
$3,899
Released Feb 2021
EOS R1 is 3.4 years newer.
Wins
EOS R1
Wins
FX3
3 categories tied
TL;DR — Key differences
- AEOS R1 has higher Burst (electronic) (40 fps vs 10 fps)
- AEOS R1 has higher Resolution (24.2 MP vs 12.1 MP)
- AEOS R1 has higher AF points / zones (1053 vs 627)
- BFX3 has lower Weight (715 g vs 1115 g)
- AEOS R1 has higher IBIS effectiveness (8.5 stops vs 5.5 stops)
Key specs at a glance
Size and weight, to scale
EOS R1
158 × 150 × 87 mm
1115 g (2.46 lb / 39.33 oz)
FX3
130 × 78 × 85 mm
715 g (1.58 lb / 25.22 oz)
EOS R1 is 28mm wider, 72mm taller, and 3mm thicker than FX3.
EOS R1 is 400 g heavier than FX3.
Depth (front-to-back): 87mm EOS R1 · 85mm FX3
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
FX3
130 × 78 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
FX3
130 × 85 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
FX3
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
EOS R1
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 R1
AF low-light limit
-7.5 EV vs -6 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
Burst (electronic)
40 fps vs 10 fps — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
Resolution
24.2 MP vs 12.1 MP — higher is better
Pre-Capture / Pre-Release
Only EOS R1 supports it
Reasons to choose
FX3
Subject recognition
Adds Human, Animal
Dimensions (W×H×D mm)
Adds 129.7, 77.8, 84.5
Card types
Adds CFexpress Type A, SD UHS-II
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Weight
715 g vs 1115 g — lower 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
- ✓4K max frame rate — Both 120 fps
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
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 R1 or FX3?
EOS R1 scores 8.5/10 versus 4.0/10 for FX3 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and FX3?
EOS R1 is 24.2 MP and FX3 is 12.1 MP, so the EOS R1 captures more detail for cropping and large prints.
Do the EOS R1 and FX3 have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while fX3 has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the FX3?
EOS R1 reaches 40 fps electronic. FX3 reaches 10 fps electronic.
What's the weight difference between the EOS R1 and FX3?
EOS R1 weighs 1115 g and FX3 weighs 715 g, so the FX3 is 400 g lighter.
Do the EOS R1 and FX3 record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. FX3: 4K up to 120p.
Are the EOS R1 and FX3 weather sealed?
EOS R1: Yes. FX3: Yes.
How much does each cost?
EOS R1 launched at $6,299 and FX3 at $3,899. The FX3 is $2,400 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.