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Compare · 4 of 4 products

Canon EOS R6 Mark IIIvsSony a1 IIvsSony a7 IVvsSony a6700

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Biggest differences

  • Continuous shooting (electronic)

    Canon EOS R6 Mark III leads

    4×

    higher is better

    • Canon EOS R6 Mark III40 fps
    • Sony a1 II30 fps
    • Sony a7 IV10 fps
    • Sony a670011 fps

  • Viewfinder resolution

    Sony a1 II leads

    4×

    higher is better

    • Canon EOS R6 Mark III3.69 M dots
    • Sony a1 II9.44 M dots
    • Sony a7 IV3.69 M dots
    • Sony a67002.36 M dots

  • Launch price

    Sony a7 IV leads

    2.6×

    lower is better

    • Canon EOS R6 Mark III2,799 USD
    • Sony a1 II6,499.99 USD
    • Sony a7 IV2,499.99 USD
    • Sony a6700Not published

  • 4K max frame rate (full width)

    Canon EOS R6 Mark III leads

    4×

    higher is better

    • Canon EOS R6 Mark III120 fps
    • Sony a1 II59.94 fps
    • Sony a7 IV30 fps
    • Sony a670060 fps

Features not all of them have

High resolution pixel-shift modeonly Sony a1 II

  • ✕
  • ✓
  • ✕
  • ✕

Where each one wins

  • Canon EOS R6 Mark III

    • Sensor format
    • Native ISO maximum
    • In-body image stabilization
    • Continuous shooting (mechanical)
    • Continuous shooting (electronic)
    • Max mechanical shutter speed
    • 4K max frame rate (full width)
    • Raw video recording
    • Video dynamic range (log)
    • Battery life
    • Memory card slots
    • HDMI port type

  • 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
    • Viewfinder resolution
    • Viewfinder magnification
    • Screen size
    • Screen articulation
    • Rear screen resolution
    • Memory card slots
    • HDMI port type

  • Sony a7 IV

    • Launch price
    • Sensor format
    • Max mechanical shutter speed
    • Video dynamic range (log)
    • Memory card slots
    • Depth
    • HDMI port type

  • Sony a6700

    • 4K max frame rate
    • Weight
    • Width
    • Height

What all 4 have

  • Video bit depth10 bit
  • Log profile support✓
  • USB charging & power delivery✓
  • Minimum operating temperature0 °C
  • Headphone port✓

Every spec

Red marks the better value in each row.

Overview

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Overview specs

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Release date

  • 2025-11
  • 2024-121
  • 2021-10
  • Not published

Launch price

  • 2,799 USD
  • 6,499.99 USD
  • 2,499.99 USD
  • Not published

Lens mount

  • Canon RF
  • Sony E
  • Sony E
  • Sony E

High resolution pixel-shift mode

  • No
  • Yes2
  • No
  • No

Sensor & Image

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Sensor & Image specs

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Effective pixels

  • 32.5 MP
  • 50.1 MP
  • 33 MP
  • 26 MP

Sensor format

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

Native ISO maximum

  • 64,000 ISO
  • 32,000 ISO
  • 51,200 ISO3
  • 32,000 ISO

In-body image stabilization

  • 8.5 stops4
  • 8.5 stops5
  • 5.5 stops6
  • 5 stops

Sensor readout speed

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

Sensor type

  • CMOS
  • —
  • CMOS
  • CMOS

Aspect ratios

  • 3:2
  • 3:2
  • 3:2
  • Not published

Lens & Autofocus

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Lens & Autofocus specs

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Continuous shooting (mechanical)

  • 12 fps
  • 10 fps
  • 10 fps7
  • 11 fps

Continuous shooting (electronic)

  • 40 fps
  • 30 fps
  • 10 fps
  • 11 fps

Max mechanical shutter speed

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

Pre-burst capture duration

  • 0.5 s8
  • 1 s9
  • Not published
  • Not published

AF subject detection

  • Human, animal, bird, car, train, airplane, motorcycle10
  • Human, animal, bird, insect, car, train, airplane
  • Human, animal, bird
  • Human, animal, bird, insect, car, train, airplane

Video

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Video specs

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Max video resolution

  • 7K11
  • 8K
  • 4K
  • 4K

4K max frame rate

  • 119.9 fps
  • 119.88 fps12
  • 60 fps13
  • 120 fps

Video codecs

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

4K max frame rate (full width)

  • 120 fps14
  • 59.94 fps15
  • 30 fps16
  • 60 fps17

Raw video recording

  • Internal
  • External18
  • None19
  • None

Video bit depth

  • 10 bit
  • 10 bit
  • 10 bit
  • 10 bit

Log profile support

  • Yes
  • Yes
  • Yes
  • Yes

Video dynamic range (log)

  • 15 stops20
  • Not published
  • 15 stops21
  • 14 stops

Viewfinder & Screen

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Viewfinder & Screen specs

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Viewfinder resolution

  • 3.69 M dots
  • 9.44 M dots
  • 3.69 M dots
  • 2.36 M dots

Viewfinder magnification

  • 0.76 x
  • 0.9 x
  • 0.78 x
  • 0.7 x

Screen size

  • 3 in
  • 3.2 in
  • 2.95 in22
  • 3 in

Screen articulation

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

Rear screen resolution

  • 1.6 M dots
  • 2.1 M dots
  • 1.04 M dots23
  • 1.04 M dots

Handling & Power

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Handling & Power specs

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Battery life

  • 620 shots24
  • 520 shots25
  • 580 shots26
  • 570 shots

Memory card slots

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

Weather sealing

  • Dust and drip resistant
  • Dust and drip resistant27
  • Dust and drip resistant28
  • Not published

Weight

  • 699 g
  • 743 g
  • 658 g
  • 493 g

Width

  • 138.4 mm
  • 136.1 mm
  • 131.3 mm
  • 122 mm

Height

  • 98.4 mm
  • 96.9 mm
  • 96.4 mm
  • 69 mm

Depth

  • 88.4 mm
  • 82.9 mm29
  • 69.7 mm30
  • 75.1 mm

USB charging & power delivery

  • Yes31
  • Yes
  • Yes32
  • Yes

Minimum operating temperature

  • 0 °C
  • 0 °C
  • 0 °C
  • 0 °C

Headphone port

  • Yes
  • Yes
  • Yes
  • Yes

HDMI port type

  • Full-size
  • Full-size
  • Full-size
  • Micro
Notes on 32 values — test conditions and caveats
  1. 1Sony a1 II, Release date: Announced 19 November 2024; first retail availability was December 2024.
  2. 2Sony a1 II, High resolution pixel-shift mode: 4- or 16-shot pixel shift composites are merged with Sony's Imaging Edge Desktop PC software.
  3. 3Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
  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 a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
  6. 6Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
  7. 7Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
  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. 9Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
  10. 10Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
  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. 12Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
  13. 13Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
  14. 14Canon 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.
  15. 15Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
  16. 16Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
  17. 17Sony a6700, 4K max frame rate (full width): Full-width 4K tops out at 60p; 120p 4K uses a crop.
  18. 18Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
  19. 19Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
  20. 20Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
  21. 21Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
  22. 22Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
  23. 23Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
  24. 24Canon 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.
  25. 25Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
  26. 26Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
  27. 27Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
  28. 28Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
  29. 29Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
  30. 30Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
  31. 31Canon 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.
  32. 32Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.

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