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Compare · 4 of 4 products

Sony a1 IIvsSony a7 IVvsCanon EOS R6 Mark IIvsRicoh GR IV

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Biggest differences

  • Launch price

    Ricoh GR IV leads

    4.34×

    lower is better

    • Sony a1 II6,499.99 USD
    • Sony a7 IV2,499.99 USD
    • Canon EOS R6 Mark II2,499 USD
    • Ricoh GR IV1,499 USD

  • Continuous shooting (electronic)

    Canon EOS R6 Mark II leads

    4×

    higher is better

    • Sony a1 II30 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

    • Sony a1 II520 shots
    • Sony a7 IV580 shots
    • Canon EOS R6 Mark II760 shots
    • Ricoh GR IV250 shots

  • Weight

    Ricoh GR IV leads

    2.84×

    lower is better

    • Sony a1 II743 g
    • Sony a7 IV658 g
    • Canon EOS R6 Mark II670 g
    • Ricoh GR IV262 g

Features not all of them have

High resolution pixel-shift modeonly Sony a1 II

  • ✓
  • ✕
  • ?
  • ?

Headphone port

  • ✓
  • ✓
  • ✓
  • ✕

Where each one wins

  • Sony a1 II

    • High resolution pixel-shift mode
    • Effective pixels
    • Sensor format
    • In-body image stabilization
    • Max mechanical shutter speed
    • Pre-burst capture duration
    • Max video resolution
    • 4K max frame rate
    • Raw video recording
    • Viewfinder resolution
    • Viewfinder magnification
    • Screen size
    • Screen articulation
    • Rear screen resolution
    • Memory card slots
    • Headphone port
    • HDMI port type

  • Sony a7 IV

    • Sensor format
    • Max mechanical shutter speed
    • 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
    • 4K max frame rate (full width)
    • Raw video recording
    • Battery life
    • Memory card slots
    • Headphone port

  • Ricoh GR IV

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

What all 4 have

  • USB charging & power delivery✓

Every spec

Red marks the better value in each row.

Overview

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Overview specs

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Release date

  • 2024-121
  • 2021-10
  • Not published
  • Not published

Launch price

  • 6,499.99 USD
  • 2,499.99 USD
  • 2,499 USD
  • 1,499 USD2

Lens mount

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

High resolution pixel-shift mode

  • Yes3
  • No
  • Not published
  • Not published

Sensor & Image

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Sensor & Image specs

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Effective pixels

  • 50.1 MP
  • 33 MP
  • 24.2 MP
  • 25.74 MP

Sensor format

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

Native ISO maximum

  • 32,000 ISO
  • 51,200 ISO4
  • 102,400 ISO5
  • 204,800 ISO

In-body image stabilization

  • 8.5 stops6
  • 5.5 stops7
  • 8 stops8
  • 6 stops9

Sensor readout speed

  • Not published
  • Not published
  • Not published
  • Not published

Sensor type

  • —
  • CMOS
  • CMOS
  • CMOS10

Aspect ratios

  • 3:2
  • 3:2
  • 3:2, 4:3, 1:1, 16:9
  • 3:2, 4:3, 1:1, 16:911

Lens & Autofocus

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Lens & Autofocus specs

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Continuous shooting (mechanical)

  • 10 fps
  • 10 fps12
  • 12 fps
  • 4 fps13

Continuous shooting (electronic)

  • 30 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/s14

Pre-burst capture duration

  • 1 s15
  • Not published
  • 0.5 s16
  • Not published

AF subject detection

  • Human, animal, bird, insect, car, train, airplane
  • Human, animal, bird
  • Human, animal, bird, car, train, airplane, motorcycle
  • Human17

Video

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Video specs

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Max video resolution

  • 8K
  • 4K
  • 4K
  • 1080p

4K max frame rate

  • 119.88 fps18
  • 60 fps19
  • 60 fps
  • Not published

Video codecs

  • H.264, HEVC
  • H.264, HEVC
  • H.264, HEVC20
  • H.264

4K max frame rate (full width)

  • 59.94 fps21
  • 30 fps22
  • 60 fps
  • Not published

Raw video recording

  • External23
  • None24
  • External25
  • None

Video bit depth

  • 10 bit
  • 10 bit
  • 10 bit26
  • Not published

Log profile support

  • Yes
  • Yes
  • Yes
  • Not published

Video dynamic range (log)

  • Not published
  • 15 stops27
  • Not published
  • Not published

Viewfinder & Screen

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Viewfinder & Screen specs

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Viewfinder resolution

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

Viewfinder magnification

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

Screen size

  • 3.2 in
  • 2.95 in28
  • 3 in
  • 3 in

Screen articulation

  • Multi-angle
  • Fully articulated
  • Fully articulated
  • Fixed

Rear screen resolution

  • 2.1 M dots
  • 1.04 M dots29
  • 1.62 M dots
  • 1.037 M dots

Handling & Power

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Handling & Power specs

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Battery life

  • 520 shots30
  • 580 shots31
  • 760 shots32
  • 250 shots33

Memory card slots

  • 2 slots
  • 2 slots
  • 2 slots
  • 1 slots34

Weather sealing

  • Dust and drip resistant35
  • Dust and drip resistant36
  • Dust and drip resistant37
  • Not published

Weight

  • 743 g
  • 658 g
  • 670 g
  • 262 g

Width

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

Height

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

Depth

  • 82.9 mm38
  • 69.7 mm39
  • 88.4 mm
  • 32.7 mm

USB charging & power delivery

Minimum operating temperature

  • 0 °C
  • 0 °C
  • 0 °C43
  • Not published

Headphone port

  • Yes
  • Yes
  • Yes
  • No

HDMI port type

  • Full-size
  • Full-size
  • Micro
  • None44
Notes on 44 values — test conditions and caveats
  1. 1Sony a1 II, Release date: Announced 19 November 2024; first retail availability was December 2024.
  2. 2Ricoh GR IV, Launch price: Launch MSRP per the review; Ricoh's US store currently lists $1,599.95.
  3. 3Sony a1 II, High resolution pixel-shift mode: 4- or 16-shot pixel shift composites are merged with Sony's Imaging Edge Desktop PC software.
  4. 4Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
  5. 5Canon EOS R6 Mark II, Native ISO maximum: ISO 204800 (H) is an expanded setting; the native range tops out at ISO 102400.
  6. 6Sony a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
  7. 7Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
  8. 8Canon EOS R6 Mark II, In-body image stabilization: The 8-stop rating combines lens optical IS with in-body IS; results vary by lens.
  9. 9Ricoh GR IV, In-body image stabilization: Ricoh's 6.0-stop rating applies at frame centre; periphery is rated 4.0 stops (CIPA 2024).
  10. 10Ricoh GR IV, Sensor type: The sensor is a back-illuminated (BSI) CMOS type; mapped to 'cmos' as no BSI option is listed.
  11. 11Ricoh 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.
  12. 12Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
  13. 13Ricoh GR IV, Continuous shooting (mechanical): The review cites 4 fps continuous without specifying shutter type.
  14. 14Ricoh 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.
  15. 15Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
  16. 16Canon 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.
  17. 17Ricoh GR IV, AF subject detection: Only face/eye detection is offered; no animal or vehicle subject recognition is listed.
  18. 18Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
  19. 19Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
  20. 20Canon 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.
  21. 21Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
  22. 22Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
  23. 23Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
  24. 24Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
  25. 25Canon EOS R6 Mark II, Raw video recording: 6K ProRes RAW requires an external Atomos Ninja V+ recorder connected over HDMI.
  26. 26Canon 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.
  27. 27Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
  28. 28Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
  29. 29Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
  30. 30Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
  31. 31Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
  32. 32Canon 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.
  33. 33Ricoh GR IV, Battery life: CIPA-rated at 23°C with a fully charged DB-120 battery.
  34. 34Ricoh GR IV, Memory card slots: Single microSD slot, plus 53 GB internal memory that cannot record to both at once.
  35. 35Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
  36. 36Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
  37. 37Canon EOS R6 Mark II, Weather sealing: Sealed dust- and water-resistant build, not IP-rated; Canon cautions ingress cannot be fully prevented.
  38. 38Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
  39. 39Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
  40. 40Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.
  41. 41Canon EOS R6 Mark II, USB charging & power delivery: In-body USB charging and power supply require Canon's optional PD-E1 USB power adapter.
  42. 42Ricoh GR IV, USB charging & power delivery: Battery charges and camera draws power in-body over USB-C; fast charging needs a USB-PD adapter.
  43. 43Canon EOS R6 Mark II, Minimum operating temperature: Canon's product manual rates 0–40°C; regional Canon spec sheets list a 2°C minimum.
  44. 44Ricoh GR IV, HDMI port type: Video output is DisplayPort over USB-C; there is no HDMI connector.

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