KurabeDojoThe comparison dojo

Compare · 2 products compared

Canon EOS R6 Mark IIIvsSony a7 IV: Full Comparison

The Canon EOS R6 Mark III and Sony a7 IV are full-frame mirrorless cameras built for demanding shooters. The Canon pulls ahead with advanced video specs and faster burst rates, while the Sony offers a lower launch price and higher resolution.

Report a problem

Intro

What is the problem?

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

Report a problem

Best for

What is the problem?
Which products? Tick all that apply, or none if you are not sure.

Biggest differences

  • Continuous shooting (electronic)

    Canon EOS R6 Mark III leads

    4×

    higher is better

    • Canon EOS R6 Mark III40 fps
    • Sony a7 IV10 fps

  • 4K max frame rate (full width)

    Canon EOS R6 Mark III leads

    4×

    higher is better

    • Canon EOS R6 Mark III120 fps
    • Sony a7 IV30 fps

  • In-body image stabilization

    Canon EOS R6 Mark III leads

    +55%

    higher is better

    • Canon EOS R6 Mark III8.5 stops
    • Sony a7 IV5.5 stops

  • 4K max frame rate

    Canon EOS R6 Mark III leads

    2×

    higher is better

    • Canon EOS R6 Mark III119.9 fps
    • Sony a7 IV60 fps

Where each one wins

  • Canon EOS R6 Mark III

    • Native ISO maximum
    • In-body image stabilization
    • Continuous shooting (mechanical)
    • Continuous shooting (electronic)
    • Max video resolution
    • 4K max frame rate
    • 4K max frame rate (full width)
    • Raw video recording
    • Screen size
    • Rear screen resolution
    • Battery life

  • Sony a7 IV

    • Launch price
    • Effective pixels
    • Viewfinder magnification
    • Weight
    • Width
    • Height
    • Depth

What both have

  • Sensor formatFull-frame
  • Sensor typeCMOS
  • Aspect ratios3:2
  • Max mechanical shutter speed8,000 1/s
  • Video bit depth10 bit
  • Log profile support✓
  • Video dynamic range (log)15 stops
  • Viewfinder resolution3.69 M dots
  • Screen articulationFully articulated
  • Memory card slots2 slots
  • Weather sealingDust and drip resistant
  • USB charging & power delivery✓
  • Minimum operating temperature0 °C
  • Headphone port✓
  • HDMI port typeFull-size

Every spec

Red marks the better value in each row.

SpecCanon EOS R6 Mark IIISony a7 IV
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 date2025-112021-10
Launch price2,799 USD2,499.99 USD
Lens mountCanon RFSony E
High resolution pixel-shift modeNoNo
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 pixels32.5 MP33 MP
Sensor formatFull-frameFull-frame
Native ISO maximum64,000 ISO51,200 ISO1
In-body image stabilization8.5 stops25.5 stops3
Sensor readout speed13.2 msNot published
Sensor typeCMOSCMOS
Aspect ratios3:23:2
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 fps10 fps4
Continuous shooting (electronic)40 fps10 fps
Max mechanical shutter speed8,000 1/s8,000 1/s
Pre-burst capture duration0.5 s5Not published
AF subject detectionHuman, animal, bird, car, train, airplane, motorcycle6Human, animal, bird
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 resolution7K74K
4K max frame rate119.9 fps60 fps8
Video codecsH.264, HEVC, XF-AVC, XF-HEVCH.264, HEVC
4K max frame rate (full width)120 fps930 fps10
Raw video recordingInternalNone11
Video bit depth10 bit10 bit
Log profile supportYesYes
Video dynamic range (log)15 stops1215 stops13
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 resolution3.69 M dots3.69 M dots
Viewfinder magnification0.76 x0.78 x
Screen size3 in2.95 in14
Screen articulationFully articulatedFully articulated
Rear screen resolution1.6 M dots1.04 M dots15
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 life620 shots16580 shots17
Memory card slots2 slots2 slots
Weather sealingDust and drip resistantDust and drip resistant18
Weight699 g658 g
Width138.4 mm131.3 mm
Height98.4 mm96.4 mm
Depth88.4 mm69.7 mm19
USB charging & power deliveryYes20Yes21
Minimum operating temperature0 °C0 °C
Headphone portYesYes
HDMI port typeFull-sizeFull-size
Notes on 21 values — test conditions and caveats
  1. 1Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
  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. 3Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
  4. 4Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
  5. 5Canon 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.
  6. 6Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
  7. 7Canon EOS R6 Mark III, Max video resolution: 7K is available only in RAW Video mode; standard MP4 recording tops out at 4K.
  8. 8Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
  9. 9Canon 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.
  10. 10Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
  11. 11Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
  12. 12Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
  13. 13Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
  14. 14Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
  15. 15Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
  16. 16Canon 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.
  17. 17Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
  18. 18Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
  19. 19Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
  20. 20Canon 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.
  21. 21Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.

Speed and Action

The Canon EOS R6 Mark III dominates fast-moving subjects with up to 40 fps electronic shooting and a 0.5 s pre-burst capture duration. It also expands subject detection to include trains, airplanes, and racing cars.

By contrast, the Sony a7 IV hits 10 fps and limits its autofocus subject detection to humans, animals, and birds. Sports and wildlife shooters will find the Canon much better equipped for peak moments.

Report a problem

Speed and Action

What is the problem?

Video Capabilities

For filmmakers, the Canon EOS R6 Mark III records internal RAW video at up to 7K resolution and shoots 4K at 119.9 fps. It also offers 15 stops of log dynamic range and multiple professional codecs like XF-AVC.

The Sony a7 IV caps out at 4K resolution and limits 4K 60p to a Super35mm crop mode. It also lacks internal or external raw recording capabilities.

Report a problem

Video Capabilities

What is the problem?

Handling and Body Design

The Sony a7 IV weighs 658 g and measures 69.7 mm in depth from the front grip to the rear monitor, making it lighter and thinner than its rival. It also provides a slightly higher viewfinder magnification of 0.78x.

The Canon EOS R6 Mark III counters with a higher-resolution rear screen of 1.6 M dots and a CIPA-rated 620 shots per charge when using the rear LCD. Both feature twin memory card slots and dust-resistant bodies.

Report a problem

Handling and Body Design

What is the problem?

The Verdict

Buy the Canon EOS R6 Mark III if you need high-speed burst shooting and internal raw 7K video. Buy the Sony a7 IV if you want a lighter full-frame camera at a lower launch price of $2,499.99.

Report a problem

Verdict

What is the problem?

Where to buy

FAQ

Do both cameras feature in-body image stabilization?

Yes, both cameras include stabilization, though the Canon EOS R6 Mark III offers up to 8.5 stops with certain RF lenses compared to the Sony a7 IV rating of 5.5 stops.

Can I record 4K video at 120 fps on the Sony a7 IV?

No, the Sony a7 IV tops out its 4K frame rate at 60 fps using a Super35mm crop, whereas the Canon EOS R6 Mark III supports 4K up to 119.9 fps.

What kind of memory card slots do they have?

Both models are equipped with two memory card slots for backup or overflow storage.

Report a problem

FAQ

What is the problem?

Spotted something wrong? Tap the next to any section or spec group to let us know. Every report is read.