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
Panasonic
Lumix S1 IIE
Creative full-frame S-series body with 24.2MP BSI sensor, open-gate video, and S1 II ergonomics.
$2,499
Released May 2025
Lumix S1 IIE is 10 months newer.
Wins
EOS R1
Wins
Lumix S1 IIE
4 categories tied
TL;DR — Key differences
- AEOS R1 has higher ISO max (native) (102,400 vs 51,200)
- AEOS R1 has higher 4K max frame rate (120 fps vs 60 fps)
- AEOS R1 has higher EVF resolution (9,440,000 vs 5,760,000)
- BLumix S1 IIE has lower Weight (800 g vs 1115 g)
- AEOS R1 has higher AF points / zones (1053 vs 779)
Key specs at a glance
Size and weight, to scale
EOS R1
158 × 150 × 87 mm
1115 g (2.46 lb / 39.33 oz)
Lumix S1 IIE
134 × 102 × 92 mm
800 g (1.76 lb / 28.22 oz)
EOS R1 is 5mm thinner than Lumix S1 IIE but it is also 23mm wider and 47mm taller.
EOS R1 is 315 g heavier than Lumix S1 IIE.
Depth (front-to-back): 87mm EOS R1 · 92mm Lumix S1 IIE
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Lumix S1 IIE
134 × 102 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
Lumix S1 IIE
134 × 92 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
Lumix S1 IIE
35.6 × 23.8 mm · Full Frame
847 mm² area
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
Lumix S1 IIE: 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 -6 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
AA filter
Only EOS R1 supports it
ISO max (native)
102,400 vs 51,200 — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
EVF resolution
9,440,000 vs 5,760,000 — higher is better
Reasons to choose
Lumix S1 IIE
Subject recognition
Adds Human, Face, Eye…
Dimensions (W×H×D mm)
Adds 134.3, 102.3, 91.8
Codecs
Adds Apple ProRes 422 HQ, MOV, MP4
Card types
Adds SD UHS-II
Weight
800 g vs 1115 g — lower is better
Both cameras share
- ✓Resolution — Both 24.2 MP
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
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
Lumix S1 IIE
Pros
- ✓24.2MP full-frame BSI sensor
- ✓6K open gate
- ✓Phase Hybrid AF
- ✓Tilt/free-angle monitor
Cons
- –Less speed than S1 II
- –Premium over S5 II
- –L-mount lens size
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, EOS R1 or Lumix S1 IIE?
Lumix S1 IIE scores 8.0/10 versus 6.5/10 for EOS R1 — 30fps burst captures fleeting moments.
What's the resolution difference between the EOS R1 and Lumix S1 IIE?
Both cameras share the same 24.2 MP resolution.
Do the EOS R1 and Lumix S1 IIE have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while lumix S1 IIE has 8-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the Lumix S1 IIE?
EOS R1 reaches 40 fps electronic. Lumix S1 IIE reaches 30 fps electronic.
What's the weight difference between the EOS R1 and Lumix S1 IIE?
EOS R1 weighs 1115 g and Lumix S1 IIE weighs 800 g, so the Lumix S1 IIE is 315 g lighter.
Do the EOS R1 and Lumix S1 IIE record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. Lumix S1 IIE: 6K Open Gate (max), 4K up to 60p.
Are the EOS R1 and Lumix S1 IIE weather sealed?
EOS R1: Yes. Lumix S1 IIE: Yes.
How much does each cost?
EOS R1 launched at $6,299 and Lumix S1 IIE at $2,499. The Lumix S1 IIE is $3,800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Panasonic press materials.