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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

Ricoh

GR Digital IV

Cult compact GR Digital with 10MP CCD sensor, fast 28mm equivalent f/1.9 lens, and sensor-shift stabilization.

$599

Launch price

Released Sep 2011

EOS R1 is 12.8 years newer.

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Wins

7categories

EOS R1

Sports & ActionVideo & Hybrid

Wins

2categories

GR Digital IV

Which would you choose?

TL;DR — Key differences

EOS R1 wins 4 categories·GR Digital IV wins 1 categories
  • AEOS R1 has higher ISO max (native) (102,400 vs 3,200)
  • AEOS R1 has higher Burst (electronic) (40 fps vs 1.54 fps)
  • AEOS R1 has higher Burst (mechanical) (12 fps vs 1.54 fps)
  • BGR Digital IV has lower Weight (219 g vs 920 g)
  • AEOS R1 has higher Battery life (CIPA) (1330 shots vs 390 shots)

Key specs at a glance

EOS R1GR Digital IV
Resolution24.2 MP10 MP
SensorFull Frame1/1.7 inch
ISO max102,4003,200
Burst40 fps1.54 fps
4K120 fps60 fps
IBIS8.5-stopYes
Weight920 g219 g
Battery1330 shots390 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

GR Digital IV

109 × 60 × 33 mm

219 g (0.48 lb / 7.73 oz)

EOS R1 is 49mm wider, 90mm taller, and 55mm thicker than GR Digital IV.

EOS R1 is 701 g heavier than GR Digital IV.

Depth (front-to-back): 87mm EOS R1 · 33mm GR Digital IV

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

GR Digital IV

109 × 60 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

GR Digital IV

109 × 33 mm

Sensor size, to scale

EOS R1

36 × 24 mm · Full Frame

864 mm² area

Lens ecosystem

Native lens selection

EOS R1

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

GR Digital IV: 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 R1GR Digital IV
Portrait
7.5Good✓ wins
2.0Limited
Sports & Action
10.0Excellent✓ wins
1.0Limited
Video & Hybrid
9.0Excellent✓ wins
3.5Limited
Landscape
7.0Good✓ wins
1.0Limited
Travel
6.5Good✓ wins
5.0Fair
Wildlife
6.5Good✓ wins
0.0Limited
Vlogging
5.5Fair✓ wins
5.0Fair

Why pick one over the other

Reasons to choose

EOS R1

  • Subject recognition

    Adds People, Dogs, Cats…

  • Codecs

    Adds RAW, XF-HEVC S, XF-AVC S…

  • 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 3,200 — higher is better

  • Burst (electronic)

    40 fps vs 1.54 fps — higher is better

  • Burst (mechanical)

    12 fps vs 1.54 fps — higher is better

  • Battery life (CIPA)

    1330 shots vs 390 shots — higher is better

Reasons to choose

GR Digital IV

  • Codecs

    Adds Motion JPEG AVI

  • Dimensions (W×H×D mm)

    Adds 108.6, 59.8, 32.5

  • Card types

    Adds SD, SDHC, Eye-Fi

  • Weight

    219 g vs 920 g — lower is better

  • ISO min (native)

    80 vs 100 — lower is better

Both cameras share

  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)

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

GR Digital IV

Pros

  • Fast f/1.9 GR lens
  • CCD rendering
  • Compact classic
  • Sensor-shift stabilization

Cons

  • Small sensor
  • VGA video only
  • Very old model

Decided which one is right for you?

Compare live prices for the EOS R1 and GR Digital IV at major authorized retailers.

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Full specifications

= category winner

EOS R1
GR Digital IV
Resolution
24.2 MP2.4× more
10 MP
Sensor type
Full Frame BSI Stacked CMOS
1/1.7" CCD
Sensor size
36.0 × 24.0 mm
1/1.7 inch
AA filter
Yes
EOS R1
GR Digital IV
Aperture
F1.9-F9
Focal length (35mm equiv.)
28 mm
EOS R1
GR Digital IV
Processor
DIGIC Accelerator + DIGIC X
GR ENGINE IV
EOS R1
GR Digital IV
ISO min (native)
100
80−20 less
ISO max (native)
102,400+5 stops
3,200
ISO max (expanded)
409,600
3,200
EOS R1
GR Digital IV
Shutter type
Mechanical + Electronic
Mechanical + electronic shutter
Max mechanical speed
1/8000 sec
1/2000 sec
Max electronic speed
1/64000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, EOS R1 or GR Digital IV?

EOS R1 scores 10.0/10 versus 1.0/10 for GR Digital IV — 40fps burst — pro-level action capture.

What's the resolution difference between the EOS R1 and GR Digital IV?

EOS R1 is 24.2 MP and GR Digital IV is 10 MP, so the EOS R1 captures more detail for cropping and large prints.

Do the EOS R1 and GR Digital IV have in-body image stabilization?

EOS R1 has 8.5-stop in-body image stabilization, while GR Digital IV has in-body image stabilization.

Which shoots faster bursts — the EOS R1 or the GR Digital IV?

EOS R1 reaches 40 fps electronic. GR Digital IV reaches 1.54 fps electronic.

What's the weight difference between the EOS R1 and GR Digital IV?

EOS R1 weighs 920 g and GR Digital IV weighs 219 g, so the GR Digital IV is 701 g lighter.

Do the EOS R1 and GR Digital IV record 4K video?

EOS R1: 6K RAW (max), 4K up to 120p. GR Digital IV: 4K up to 60p.

Are the EOS R1 and GR Digital IV weather sealed?

EOS R1: Yes. GR Digital IV: No.

Which has better battery life?

Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 390 shots for the GR Digital IV, giving the EOS R1 the edge.

How much does each cost?

EOS R1 launched at $6,299 and GR Digital IV at $599. The GR Digital IV is $5,700 less.

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

Add any camera to get a three-way EOS R1 vs GR Digital IV vs X comparison.

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

Product images courtesy of Canon and Ricoh press materials.