Cameraegg Compare logoCameraegg
EOS R1

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

Launch price

Released Jul 2024

vs

Fujifilm

X100S

Second-generation X100 with 16MP X-Trans sensor and fixed 35mm-equivalent lens.

$1,299

Launch price

Released Jan 2013

EOS R1 is 11.5 years newer.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Wins

11categories

EOS R1

Sports & ActionVideo & Hybrid

Wins

1categories

X100S

1 categories tied

Which would you choose?

TL;DR — Key differences

EOS R1 wins 5 categories·X100S wins 0 categories
  • AEOS R1 has higher IBIS effectiveness (8.5 stops vs 0 stops)
  • AEOS R1 has higher ISO max (native) (102,400 vs 6,400)
  • AEOS R1 has higher Burst (electronic) (40 fps vs 6 fps)
  • AEOS R1 has higher Battery life (CIPA) (1330 shots vs 330 shots)
  • AEOS R1 has higher EVF resolution (9,440,000 vs 2,360,000)

Key specs at a glance

EOS R1X100S
Resolution24.2 MP16.3 MP
SensorFull FrameAPS-C
ISO max102,4006,400
Burst40 fps6 fps
4K120 fps
IBIS8.5-stopNo
Weight920 g445 g
Battery1330 shots330 shots

Size and weight, to scale

EOS R1 front view

EOS R1

158 × 150 × 87 mm

920 g (2.03 lb / 32.45 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

X100S

127 × 74 × 54 mm

445 g (0.98 lb / 15.70 oz)

EOS R1 is 31mm wider, 75mm taller, and 33mm thicker than X100S.

EOS R1 is 475 g heavier than X100S.

Depth (front-to-back): 87mm EOS R1 · 54mm X100S

Back view, to scale

Width × Height — same proportions as the front of the body.

EOS R1 back view

EOS R1

158 × 150 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

X100S

127 × 74 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

EOS R1 top view

EOS R1

158 × 87 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

X100S

127 × 54 mm

Sensor size, to scale

EOS R1

36 × 24 mm · Full Frame

864 mm² area

X100S

23.6 × 15.6 mm · APS-C

368 mm² area

2.3× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

EOS R1

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

X100S: 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

Use caseEOS R1X100S
Portrait
7.5Good✓ wins
4.5Fair
Sports & Action
10.0Excellent✓ wins
2.5Limited
Video & Hybrid
9.0Excellent✓ wins
1.0Limited
Landscape
7.0Good✓ wins
0.0Limited
Travel
6.5Good✓ wins
4.0Fair
Wildlife
6.5Good✓ wins
0.0Limited
Vlogging
5.5Fair✓ wins
3.0Limited

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

  • ISO max (native)

    102,400 vs 6,400 — higher is better

  • Burst (electronic)

    40 fps vs 6 fps — higher is better

  • Codecs

    Adds RAW, XF-HEVC S, XF-AVC S…

  • Battery life (CIPA)

    1330 shots vs 330 shots — higher is better

Reasons to choose

X100S

  • Subject recognition

    Adds Human

  • Dimensions (W×H×D mm)

    Adds 126.5, 74.4, 53.9

  • Card types

    Adds SD UHS-I

  • Weight

    445 g vs 920 g — lower is better

Both cameras share

  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • TouchscreenBoth support touchscreen

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

X100S

Pros

  • Classic fixed-lens design
  • X-Trans sensor
  • Hybrid viewfinder

Cons

  • Very old AF
  • No 4K
  • Fixed screen

Decided which one is right for you?

Compare live prices for the EOS R1 and X100S at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

EOS R1
X100S
Resolution
24.2 MP+48%
16.3 MP
Sensor type
Full Frame BSI Stacked CMOS
APS-C X-Trans CMOS
Sensor size
36.0 × 24.0 mm
23.6 x 15.6 mm
AA filter
Yes
No
EOS R1
X100S
Aperture
f/2.0
Focal length (35mm equiv.)
35 mm
EOS R1
X100S
Processor
DIGIC Accelerator + DIGIC X
EXR Processor II
EOS R1
X100S
ISO min (native)
100−100 less
200
ISO max (native)
102,400+4 stops
6,400
ISO max (expanded)
409,600
51,200
EOS R1
X100S
Shutter type
Mechanical + Electronic
Leaf Shutter + Electronic
Max mechanical speed
1/8000 sec
1/4000 sec
Max electronic speed
1/64000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, EOS R1 or X100S?

EOS R1 scores 9.0/10 versus 1.0/10 for X100S — 6K video for oversampled 4K.

What's the resolution difference between the EOS R1 and X100S?

EOS R1 is 24.2 MP and X100S is 16.3 MP, so the EOS R1 captures more detail for cropping and large prints.

Do the EOS R1 and X100S have in-body image stabilization?

EOS R1 has 8.5-stop in-body image stabilization, while X100S does not have IBIS.

Which shoots faster bursts — the EOS R1 or the X100S?

EOS R1 reaches 40 fps electronic. X100S reaches 6 fps electronic.

What's the weight difference between the EOS R1 and X100S?

EOS R1 weighs 920 g and X100S weighs 445 g, so the X100S is 475 g lighter.

Do the EOS R1 and X100S record 4K video?

EOS R1: 6K RAW (max), 4K up to 120p. X100S: Full HD.

Are the EOS R1 and X100S weather sealed?

EOS R1: Yes. X100S: No.

Which has better battery life?

Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 330 shots for the X100S, giving the EOS R1 the edge.

How much does each cost?

EOS R1 launched at $6,299 and X100S at $1,299. The X100S is $5,000 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way EOS R1 vs X100S vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Canon and Fujifilm press materials.