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
Fujifilm
GFX 50S
First-generation GFX medium format body with 51.4MP files and modular pro ergonomics.
$6,499
Released Sep 2016
EOS R1 is 7.8 years newer.
Wins
EOS R1
Wins
GFX 50S
2 categories tied
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TL;DR — Key differences
- AEOS R1 has higher IBIS effectiveness (8.5 stops vs 0 stops)
- AEOS R1 has higher Burst (electronic) (40 fps vs 3 fps)
- AEOS R1 has higher AF points / zones (1053 vs 117)
- AEOS R1 has higher ISO max (native) (102,400 vs 12,800)
- AEOS R1 has higher Burst (mechanical) (12 fps vs 3 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)
GFX 50S
148 × 94 × 91 mm
920 g (2.03 lb / 32.45 oz)
EOS R1 is 4mm thinner than GFX 50S but it is also 10mm wider and 55mm taller.
EOS R1 is 195 g heavier than GFX 50S.
Depth (front-to-back): 87mm EOS R1 · 91mm GFX 50S
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
GFX 50S
148 × 94 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
GFX 50S
148 × 91 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
GFX 50S
43.8 × 32.9 mm · Medium Format
1441 mm² area
1.7× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
GFX 50S: 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
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
Burst (electronic)
40 fps vs 3 fps — higher is better
AF points / zones
1053 vs 117 — higher is better
ISO max (native)
102,400 vs 12,800 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S…
Reasons to choose
GFX 50S
Dimensions (W×H×D mm)
Adds 147.5, 94.2, 91.4
Card types
Adds SD UHS-II
Resolution
51.4 MP vs 24.2 MP — higher is better
Weight
920 g vs 1115 g — lower is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓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
GFX 50S
Pros
- ✓51MP medium format
- ✓Modular EVF system
- ✓Excellent image quality
Cons
- –Slow contrast AF
- –Large body
- –No IBIS
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or GFX 50S?
EOS R1 scores 8.5/10 versus 1.5/10 for GFX 50S — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and GFX 50S?
EOS R1 is 24.2 MP and GFX 50S is 51.4 MP, so the GFX 50S captures more detail for cropping and large prints.
Do the EOS R1 and GFX 50S have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while gFX 50S does not have IBIS.
Which shoots faster bursts — the EOS R1 or the GFX 50S?
EOS R1 reaches 40 fps electronic. GFX 50S reaches 3 fps electronic.
What's the weight difference between the EOS R1 and GFX 50S?
EOS R1 weighs 1115 g and GFX 50S weighs 920 g, so the GFX 50S is 195 g lighter.
Do the EOS R1 and GFX 50S record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. GFX 50S: Full HD.
Are the EOS R1 and GFX 50S weather sealed?
EOS R1: Yes. GFX 50S: Yes.
How much does each cost?
EOS R1 launched at $6,299 and GFX 50S at $6,499. The EOS R1 is $200 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Fujifilm press materials.