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Compare · 2 of 4 products

Canon EOS R6 Mark IIIvsRicoh GR IV

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Biggest differences

  • Weight

    Ricoh GR IV leads

    2.67×

    lower is better

    • Canon EOS R6 Mark III699 g
    • Ricoh GR IV262 g

  • Battery life

    Canon EOS R6 Mark III leads

    2.48×

    higher is better

    • Canon EOS R6 Mark III620 shots
    • Ricoh GR IV250 shots

  • Memory card slots

    Canon EOS R6 Mark III leads

    2×

    higher is better

    • Canon EOS R6 Mark III2 slots
    • Ricoh GR IV1 slots

  • Launch price

    Ricoh GR IV leads

    −46%

    lower is better

    • Canon EOS R6 Mark III2,799 USD
    • Ricoh GR IV1,499 USD

Features not all of them have

Headphone port

  • Canon EOS R6 Mark III✓
  • Ricoh GR IV✕

Where each one wins

  • Canon EOS R6 Mark III

    • Effective pixels
    • Sensor format
    • In-body image stabilization
    • Continuous shooting (mechanical)
    • Max mechanical shutter speed
    • Max video resolution
    • Raw video recording
    • Viewfinder resolution
    • Screen articulation
    • Rear screen resolution
    • Battery life
    • Memory card slots
    • Headphone port
    • HDMI port type

  • Ricoh GR IV

    • Launch price
    • Native ISO maximum
    • Weight
    • Width
    • Height
    • Depth

What both have

  • Sensor typeCMOS
  • Screen size3 in
  • USB charging & power delivery✓

Every spec

Red marks the better value in each row.

SpecCanon EOS R6 Mark IIIRicoh GR IV
Overview

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Overview specs

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Release date2025-11Not published
Launch price2,799 USD1,499 USD1
Lens mountCanon RFFixed lens
High resolution pixel-shift modeNoNot published
Sensor & Image

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Sensor & Image specs

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Effective pixels32.5 MP25.74 MP
Sensor formatFull-frameAPS-C
Native ISO maximum64,000 ISO204,800 ISO
In-body image stabilization8.5 stops26 stops3
Sensor readout speed13.2 msNot published
Sensor typeCMOSCMOS4
Aspect ratios3:23:2, 4:3, 1:1, 16:95
Lens & Autofocus

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Lens & Autofocus specs

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Continuous shooting (mechanical)12 fps4 fps6
Continuous shooting (electronic)40 fpsNot published
Max mechanical shutter speed8,000 1/s4,000 1/s7
Pre-burst capture duration0.5 s8Not published
AF subject detectionHuman, animal, bird, car, train, airplane, motorcycle9Human10
Video

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Video specs

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Max video resolution7K111080p
4K max frame rate119.9 fpsNot published
Video codecsH.264, HEVC, XF-AVC, XF-HEVCH.264
4K max frame rate (full width)120 fps12Not published
Raw video recordingInternalNone
Video bit depth10 bitNot published
Log profile supportYesNot published
Video dynamic range (log)15 stops13Not published
Viewfinder & Screen

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Viewfinder & Screen specs

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Viewfinder resolution3.69 M dots0 M dots
Viewfinder magnification0.76 xNot published
Screen size3 in3 in
Screen articulationFully articulatedFixed
Rear screen resolution1.6 M dots1.037 M dots
Handling & Power

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Handling & Power specs

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Which specs? Tick all that apply, or none if you are not sure.
Which products? Tick all that apply, or none if you are not sure.
Battery life620 shots14250 shots15
Memory card slots2 slots1 slots16
Weather sealingDust and drip resistantNot published
Weight699 g262 g
Width138.4 mm109.4 mm
Height98.4 mm61.1 mm
Depth88.4 mm32.7 mm
USB charging & power deliveryYes17Yes18
Minimum operating temperature0 °CNot published
Headphone portYesNo
HDMI port typeFull-sizeNone19
Notes on 19 values — test conditions and caveats
  1. 1Ricoh GR IV, Launch price: Launch MSRP per the review; Ricoh's US store currently lists $1,599.95.
  2. 2Canon EOS R6 Mark III, In-body image stabilization: 8.5 stops is Canon's best-case center rating with certain RF lenses; peripheral and other lenses see less, down to 7.5 stops.
  3. 3Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
  4. 4Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
  5. 5Ricoh GR IV, Aspect ratios: 3:2 is native to the 23.3 x 15.5 mm sensor; 4:3, 1:1 and 16:9 are in-camera crop modes.
  6. 6Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
  7. 7Ricoh GR IV, Max mechanical shutter speed: 1/4000 s requires F5.6 or a smaller aperture; at F2.8 the limit is 1/2500 s.
  8. 8Canon EOS R6 Mark III, Pre-burst capture duration: Works only in the 40 fps electronic-shutter mode; Canon states it as up to 20 frames.
  9. 9Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
  10. 10Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
  11. 11Canon EOS R6 Mark III, Max video resolution: 7K is available only in RAW Video mode; standard MP4 recording tops out at 4K.
  12. 12Canon EOS R6 Mark III, 4K max frame rate (full width): 4K 120p uses the full width but is not oversampled; oversampled 4K tops out at 60p.
  13. 13Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
  14. 14Canon EOS R6 Mark III, Battery life: 620 shots is CIPA's rating using the rear LCD (not the viewfinder) at 23°C; real-world results vary.
  15. 15Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
  16. 16Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
  17. 17Canon EOS R6 Mark III, USB charging & power delivery: USB-C charging and power need a capable USB-PD source such as Canon's PD-E2; not every power bank works.
  18. 18Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
  19. 19Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.

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