Compare · 3 of 4 products
Canon EOS R6 Mark IIIvsSony a7 IVvsCanon EOS R6 Mark II
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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
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
- Canon EOS R6 Mark II60 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
- Canon EOS R6 Mark II8 stops
Native ISO maximum
Canon EOS R6 Mark II leads
2×
higher is better
- Canon EOS R6 Mark III64,000 ISO
- Sony a7 IV51,200 ISO
- Canon EOS R6 Mark II102,400 ISO
Where each one wins
Canon EOS R6 Mark III
- 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
- HDMI port type
Sony a7 IV
- Effective pixels
- Viewfinder magnification
- Weight
- Width
- Height
- Depth
- HDMI port type
Canon EOS R6 Mark II
- Launch price
- Native ISO maximum
- Continuous shooting (mechanical)
- Continuous shooting (electronic)
- Screen size
- Rear screen resolution
- Battery life
What all 3 have
- Sensor formatFull-frame
- Sensor typeCMOS
- Max mechanical shutter speed8,000 1/s
- Video bit depth10 bit
- Log profile support✓
- 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✓
Every spec
Red marks the better value in each row.
Overview
Release date
- 2025-11
- 2021-10
- Not published
Launch price
- 2,799 USD
- 2,499.99 USD
- 2,499 USD
Lens mount
- Canon RF
- Sony E
- Canon RF
High resolution pixel-shift mode
- No
- No
- Not published
Sensor & Image
Lens & Autofocus
Continuous shooting (mechanical)
- 12 fps
- 10 fps6
- 12 fps
Continuous shooting (electronic)
- 40 fps
- 10 fps
- 40 fps
Max mechanical shutter speed
- 8,000 1/s
- 8,000 1/s
- 8,000 1/s
AF subject detection
- Human, animal, bird, car, train, airplane, motorcycle9
- Human, animal, bird
- Human, animal, bird, car, train, airplane, motorcycle
Video
Viewfinder & Screen
Handling & Power
Notes on 31 values — test conditions and caveats
- 1Sony a7 IV, Native ISO maximum: Native range tops out at ISO 51200; 50-204800 requires expanded ISO settings.
- 2Canon EOS R6 Mark II, Native ISO maximum: ISO 204800 (H) is an expanded setting; the native range tops out at ISO 102400.
- 3Canon 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.
- 4Sony a7 IV, In-body image stabilization: CIPA rating measured with the 50mm F1.4 ZA test lens attached.
- 5Canon EOS R6 Mark II, In-body image stabilization: The 8-stop rating combines lens optical IS with in-body IS; results vary by lens.
- 6Sony a7 IV, Continuous shooting (mechanical): 10 fps applies to compressed RAW/JPEG/HEIF; drops to 6 fps for lossless or uncompressed RAW.
- 7Canon 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.
- 8Canon 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.
- 9Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
- 10Canon EOS R6 Mark III, Max video resolution: 7K is available only in RAW Video mode; standard MP4 recording tops out at 4K.
- 11Sony a7 IV, 4K max frame rate: 4K 60p is only available in Super35mm crop; full-frame 4K tops out at 30p.
- 12Canon 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.
- 13Canon 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.
- 14Sony a7 IV, 4K max frame rate (full width): 4K 60p requires the Super35mm crop; full-width 4K is limited to 30p.
- 15Sony a7 IV, Raw video recording: No internal or external raw recording; HDMI output tops out at 10-bit 4:2:2.
- 16Canon EOS R6 Mark II, Raw video recording: 6K ProRes RAW requires an external Atomos Ninja V+ recorder connected over HDMI.
- 17Canon 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.
- 18Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
- 19Sony a7 IV, Video dynamic range (log): Sony's claim for S-Log3 per internal tests; stated as 15+ stops.
- 20Sony a7 IV, Screen size: Sony rates the panel at 2.95in (3.0-type); most sources round to 3in.
- 21Sony a7 IV, Rear screen resolution: 1,036,800 dots; Sony's retail pages round this to 1.03 megadots.
- 22Canon 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.
- 23Sony a7 IV, Battery life: 580 shots per charge with the rear LCD; 520 with the EVF.
- 24Canon 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.
- 25Sony a7 IV, Weather sealing: Dust and moisture resistant but not IP-rated; Sony does not guarantee 100% sealing.
- 26Canon EOS R6 Mark II, Weather sealing: Sealed dust- and water-resistant build, not IP-rated; Canon cautions ingress cannot be fully prevented.
- 27Sony a7 IV, Depth: Sony lists 79.8mm total depth; 69.7mm is measured from front grip to rear monitor.
- 28Canon 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.
- 29Sony a7 IV, USB charging & power delivery: Charging and USB power delivery work only through the USB Type-C port.
- 30Canon EOS R6 Mark II, USB charging & power delivery: In-body USB charging and power supply require Canon's optional PD-E1 USB power adapter.
- 31Canon EOS R6 Mark II, Minimum operating temperature: Canon's product manual rates 0–40°C; regional Canon spec sheets list a 2°C minimum.
Where to buy
Canon EOS R6 Mark III
Sony a7 IV
Canon EOS R6 Mark II








