KurabeDojoThe comparison dojo

Compare · 4 of 4 products

Canon EOS R6 Mark IIIvsSony a7 IVvsCanon EOS R6 Mark IIvsRicoh GR IV

eBay prices refresh hourly — check the listing before you buy. We may earn a commission.

Biggest differences

  • Continuous shooting (electronic)

    Canon EOS R6 Mark III & Canon EOS R6 Mark II tie for the lead

    4×

    higher is better

    • Canon EOS R6 Mark III40 fps
    • Sony a7 IV10 fps
    • Canon EOS R6 Mark II40 fps
    • Ricoh GR IVNot published

  • Battery life

    Canon EOS R6 Mark II leads

    3.04×

    higher is better

    • Canon EOS R6 Mark III620 shots
    • Sony a7 IV580 shots
    • Canon EOS R6 Mark II760 shots
    • Ricoh GR IV250 shots

  • Weight

    Ricoh GR IV leads

    2.67×

    lower is better

    • Canon EOS R6 Mark III699 g
    • Sony a7 IV658 g
    • Canon EOS R6 Mark II670 g
    • Ricoh GR IV262 g

  • Native ISO maximum

    Ricoh GR IV leads

    4×

    higher is better

    • Canon EOS R6 Mark III64,000 ISO
    • Sony a7 IV51,200 ISO
    • Canon EOS R6 Mark II102,400 ISO
    • Ricoh GR IV204,800 ISO

Features not all of them have

Headphone port

  • ✓
  • ✓
  • ✓
  • ✕

Where each one wins

  • Canon EOS R6 Mark III

    • Sensor format
    • In-body image stabilization
    • Continuous shooting (mechanical)
    • Continuous shooting (electronic)
    • Max mechanical shutter speed
    • Max video resolution
    • 4K max frame rate
    • 4K max frame rate (full width)
    • Raw video recording
    • Viewfinder resolution
    • Screen size
    • Screen articulation
    • Memory card slots
    • Headphone port
    • HDMI port type

  • Sony a7 IV

    • Effective pixels
    • Sensor format
    • Max mechanical shutter speed
    • Viewfinder resolution
    • Viewfinder magnification
    • Screen articulation
    • Memory card slots
    • Headphone port
    • HDMI port type

  • Canon EOS R6 Mark II

    • Sensor format
    • Continuous shooting (mechanical)
    • Continuous shooting (electronic)
    • Max mechanical shutter speed
    • Viewfinder resolution
    • Screen size
    • Screen articulation
    • Rear screen resolution
    • Battery life
    • Memory card slots
    • Headphone port

  • Ricoh GR IV

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

What all 4 have

  • Sensor typeCMOS
  • USB charging & power delivery✓

Every spec

Red marks the better value in each row.

Overview

Report a problem

Overview specs

What is the problem?
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.

Release date

  • 2025-11
  • 2021-10
  • Not published
  • Not published

Launch price

  • 2,799 USD
  • 2,499.99 USD
  • 2,499 USD
  • 1,499 USD1

Lens mount

  • Canon RF
  • Sony E
  • Canon RF
  • Fixed lens

High resolution pixel-shift mode

  • No
  • No
  • Not published
  • Not published

Sensor & Image

Report a problem

Sensor & Image specs

What is the problem?
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.

Effective pixels

  • 32.5 MP
  • 33 MP
  • 24.2 MP
  • 25.74 MP

Sensor format

  • Full-frame
  • Full-frame
  • Full-frame
  • APS-C

Native ISO maximum

  • 64,000 ISO
  • 51,200 ISO2
  • 102,400 ISO3
  • 204,800 ISO

In-body image stabilization

  • 8.5 stops4
  • 5.5 stops5
  • 8 stops6
  • 6 stops7

Sensor readout speed

  • 13.2 ms
  • Not published
  • Not published
  • Not published

Sensor type

  • CMOS
  • CMOS
  • CMOS
  • CMOS8

Aspect ratios

  • 3:2
  • 3:2
  • 3:2, 4:3, 1:1, 16:9
  • 3:2, 4:3, 1:1, 16:99

Lens & Autofocus

Report a problem

Lens & Autofocus specs

What is the problem?
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.

Continuous shooting (mechanical)

  • 12 fps
  • 10 fps10
  • 12 fps
  • 4 fps11

Continuous shooting (electronic)

  • 40 fps
  • 10 fps
  • 40 fps
  • Not published

Max mechanical shutter speed

  • 8,000 1/s
  • 8,000 1/s
  • 8,000 1/s
  • 4,000 1/s12

Pre-burst capture duration

  • 0.5 s13
  • Not published
  • 0.5 s14
  • Not published

AF subject detection

  • Human, animal, bird, car, train, airplane, motorcycle15
  • Human, animal, bird
  • Human, animal, bird, car, train, airplane, motorcycle
  • Human16

Video

Report a problem

Video specs

What is the problem?
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.

Max video resolution

  • 7K17
  • 4K
  • 4K
  • 1080p

4K max frame rate

  • 119.9 fps
  • 60 fps18
  • 60 fps
  • Not published

Video codecs

  • H.264, HEVC, XF-AVC, XF-HEVC
  • H.264, HEVC
  • H.264, HEVC19
  • H.264

4K max frame rate (full width)

  • 120 fps20
  • 30 fps21
  • 60 fps
  • Not published

Raw video recording

  • Internal
  • None22
  • External23
  • None

Video bit depth

  • 10 bit
  • 10 bit
  • 10 bit24
  • Not published

Log profile support

  • Yes
  • Yes
  • Yes
  • Not published

Video dynamic range (log)

  • 15 stops25
  • 15 stops26
  • Not published
  • Not published

Viewfinder & Screen

Report a problem

Viewfinder & Screen specs

What is the problem?
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.

Viewfinder resolution

  • 3.69 M dots
  • 3.69 M dots
  • 3.69 M dots
  • 0 M dots

Viewfinder magnification

  • 0.76 x
  • 0.78 x
  • 0.76 x
  • Not published

Screen size

  • 3 in
  • 2.95 in27
  • 3 in
  • 3 in

Screen articulation

  • Fully articulated
  • Fully articulated
  • Fully articulated
  • Fixed

Rear screen resolution

  • 1.6 M dots
  • 1.04 M dots28
  • 1.62 M dots
  • 1.037 M dots

Handling & Power

Report a problem

Handling & Power specs

What is the problem?
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 life

  • 620 shots29
  • 580 shots30
  • 760 shots31
  • 250 shots32

Memory card slots

  • 2 slots
  • 2 slots
  • 2 slots
  • 1 slots33

Weather sealing

  • Dust and drip resistant
  • Dust and drip resistant34
  • Dust and drip resistant35
  • Not published

Weight

  • 699 g
  • 658 g
  • 670 g
  • 262 g

Width

  • 138.4 mm
  • 131.3 mm
  • 138.4 mm
  • 109.4 mm

Height

  • 98.4 mm
  • 96.4 mm
  • 98.4 mm
  • 61.1 mm

Depth

  • 88.4 mm
  • 69.7 mm36
  • 88.4 mm
  • 32.7 mm

USB charging & power delivery

Minimum operating temperature

  • 0 °C
  • 0 °C
  • 0 °C41
  • Not published

Headphone port

  • Yes
  • Yes
  • Yes
  • No

HDMI port type

  • Full-size
  • Full-size
  • Micro
  • None42
Notes on 42 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. 2Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
  3. 3Canon EOS R6 Mark II, Native ISO maximum: ISO 204800 (H) is an expanded setting; the native range tops out at ISO 102400.
  4. 4Canon 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.
  5. 5Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
  6. 6Canon EOS R6 Mark II, In-body image stabilization: The 8-stop rating combines lens optical IS with in-body IS; results vary by lens.
  7. 7Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
  8. 8Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
  9. 9Ricoh 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.
  10. 10Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
  11. 11Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
  12. 12Ricoh 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.
  13. 13Canon 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.
  14. 14Canon EOS R6 Mark II, Pre-burst capture duration: Pre-release capture works in RAW burst mode and buffers up to 0.5s of action before full shutter press.
  15. 15Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
  16. 16Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
  17. 17Canon EOS R6 Mark III, Max video resolution: 7K is available only in RAW Video mode; standard MP4 recording tops out at 4K.
  18. 18Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
  19. 19Canon EOS R6 Mark II, Video codecs: Movies record H.264 by default; H.265/HEVC is used when Canon Log 3 or HDR PQ is enabled.
  20. 20Canon 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.
  21. 21Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
  22. 22Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
  23. 23Canon EOS R6 Mark II, Raw video recording: 6K ProRes RAW requires an external Atomos Ninja V+ recorder connected over HDMI.
  24. 24Canon EOS R6 Mark II, Video bit depth: Standard profiles record 8-bit 4:2:0; 10-bit 4:2:2 requires Canon Log 3 or HDR PQ.
  25. 25Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
  26. 26Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
  27. 27Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
  28. 28Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
  29. 29Canon 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.
  30. 30Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
  31. 31Canon EOS R6 Mark II, Battery life: 760 shots is the CIPA power-saving rating with the rear LCD; Canon's smooth-mode rating is 580 shots.
  32. 32Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
  33. 33Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
  34. 34Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
  35. 35Canon EOS R6 Mark II, Weather sealing: Sealed dust- and water-resistant build, not IP-rated; Canon cautions ingress cannot be fully prevented.
  36. 36Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
  37. 37Canon 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.
  38. 38Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.
  39. 39Canon EOS R6 Mark II, USB charging & power delivery: In-body USB charging and power supply require Canon's optional PD-E1 USB power adapter.
  40. 40Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
  41. 41Canon EOS R6 Mark II, Minimum operating temperature: Canon's product manual rates 0–40°C; regional Canon spec sheets list a 2°C minimum.
  42. 42Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.

Where to buy