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
Sigma
fp
Minimalist full-frame box camera for creative stills and video.
$1,899
Released Jul 2019
EOS R1 is 5 years newer.
Wins
EOS R1
Wins
fp
2 categories tied
TL;DR — Key differences
- AEOS R1 has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AEOS R1 has higher AF points / zones (1053 vs 49)
- AEOS R1 has higher ISO max (native) (102,400 vs 25,600)
- AEOS R1 has higher EVF resolution (9,440,000 vs 2,360,000)
- AEOS R1 has higher Burst (electronic) (40 fps vs 11 fps)
Key specs at a glance
Size and weight, to scale
EOS R1
158 × 150 × 87 mm
1115 g (2.46 lb / 39.33 oz)
fp
138 × 98 × 88 mm
720 g (1.59 lb / 25.40 oz)
EOS R1 is 1mm thinner than fp but it is also 20mm wider and 52mm taller.
EOS R1 is 395 g heavier than fp.
Depth (front-to-back): 87mm EOS R1 · 88mm fp
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
fp
138 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
fp
138 × 88 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
fp
36 × 24 mm · Full Frame
864 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
fp: mount data unavailable
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 -5 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
AF points / zones
1053 vs 49 — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
EVF resolution
9,440,000 vs 2,360,000 — higher is better
Reasons to choose
fp
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 138, 98, 88
Card types
Adds SD UHS-II
Weight
720 g vs 1115 g — lower is better
Both cameras share
- ✓Resolution — Both 24.2 MP
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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
fp
Pros
- ✓Ultra compact
- ✓L-mount
- ✓Unique concept
Cons
- –No IBIS
- –24MP
- –Poor ergonomics for long shoots
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or fp?
EOS R1 scores 8.5/10 versus 2.5/10 for fp — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and fp?
Both cameras share the same 24.2 MP resolution.
Do the EOS R1 and fp have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while fp does not have IBIS.
Which shoots faster bursts — the EOS R1 or the fp?
EOS R1 reaches 40 fps electronic. fp reaches 11 fps electronic.
What's the weight difference between the EOS R1 and fp?
EOS R1 weighs 1115 g and fp weighs 720 g, so the fp is 395 g lighter.
Do the EOS R1 and fp record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. fp: 4K up to 60p.
Are the EOS R1 and fp weather sealed?
EOS R1: Yes. fp: No.
How much does each cost?
EOS R1 launched at $6,299 and fp at $1,899. The fp is $4,400 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sigma press materials.