Compare · 4 of 4 products
Canon EOS R6 Mark IIIvsSony a1 IIvsCanon EOS R5 Mark IIvsCanon EOS R8
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- ×
Canon10of 26 specs better - MOST WINS×
Sony13of 26 specs better - ×
Canon10of 26 specs better - ×
Canon6of 26 specs better
Biggest differences
Viewfinder resolution
Sony a1 II leads
4×
higher is better
- Canon EOS R6 Mark III3.69 M dots
- Sony a1 II9.44 M dots
- Canon EOS R5 Mark II5.76 M dots
- Canon EOS R82.36 M dots
Launch price
Canon EOS R6 Mark III leads
2.32×
lower is better
- Canon EOS R6 Mark III2,799 USD
- Sony a1 II6,499.99 USD
- Canon EOS R5 Mark IINot published
- Canon EOS R8Not published
Effective pixels
Sony a1 II leads
2.07×
higher is better
- Canon EOS R6 Mark III32.5 MP
- Sony a1 II50.1 MP
- Canon EOS R5 Mark II45 MP
- Canon EOS R824.2 MP
Memory card slots
Canon EOS R6 Mark III & Sony a1 II & Canon EOS R5 Mark II tie for the lead
2×
higher is better
- Canon EOS R6 Mark III2 slots
- Sony a1 II2 slots
- Canon EOS R5 Mark II2 slots
- Canon EOS R81 slots
Features not all of them have
High resolution pixel-shift modeonly Sony a1 II
- ✕
- ✓
- ?
- ✕
Where each one wins
Canon EOS R6 Mark III
- Launch price
- In-body image stabilization
- Continuous shooting (mechanical)
- Continuous shooting (electronic)
- Max mechanical shutter speed
- 4K max frame rate
- 4K max frame rate (full width)
- Raw video recording
- Memory card slots
- HDMI port type
Sony a1 II
- High resolution pixel-shift mode
- Effective pixels
- 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
Canon EOS R5 Mark II
- In-body image stabilization
- Sensor type
- Continuous shooting (mechanical)
- Max mechanical shutter speed
- Max video resolution
- Raw video recording
- Rear screen resolution
- Battery life
- Memory card slots
- HDMI port type
Canon EOS R8
- Native ISO maximum
- Continuous shooting (electronic)
- Weight
- Width
- Height
- Depth
What all 4 have
- Sensor formatFull-frame
- Video bit depth10 bit
- Log profile support✓
- 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
Sensor & Image
Effective pixels
- 32.5 MP
- 50.1 MP
- 45 MP
- 24.2 MP
Sensor format
- Full-frame
- Full-frame
- Full-frame
- Full-frame
Native ISO maximum
- 64,000 ISO
- 32,000 ISO
- Not published
- 102,400 ISO
Sensor readout speed
- 13.2 ms
- Not published
- Not published
- Not published
Sensor type
- CMOS
- —
- Stacked CMOS
- CMOS
Aspect ratios
- 3:2
- 3:2
- 3:2, 4:3, 1:1, 16:9
- 3:2, 4:3, 1:1, 16:9
Lens & Autofocus
Continuous shooting (mechanical)
- 12 fps
- 10 fps
- 12 fps
- 6 fps
Continuous shooting (electronic)
- 40 fps
- 30 fps
- 30 fps
- 40 fps
Max mechanical shutter speed
- 8,000 1/s
- 8,000 1/s
- 8,000 1/s
- 4,000 1/s
AF subject detection
- Human, animal, bird, car, train, airplane, motorcycle8
- Human, animal, bird, insect, car, train, airplane
- Human, animal, bird, car, train, airplane, motorcycle
- Human, animal, bird, car, train, airplane, motorcycle
Video
Max video resolution
- 7K9
- 8K
- 8K
- 4K
4K max frame rate
- 119.9 fps
- 119.88 fps10
- —
- 60 fps
Video codecs
- H.264, HEVC, XF-AVC, XF-HEVC
- H.264, HEVC
- HEVC, ProRes RAW, Cinema RAW Light, XF-AVC11
- H.264, HEVC
Raw video recording
- Internal
- External14
- Internal
- None
Video bit depth
- 10 bit
- 10 bit
- 10 bit
- 10 bit
Log profile support
- Yes
- Yes
- Yes
- Yes
Video dynamic range (log)
- 15 stops15
- Not published
- Not published
- Not published
Viewfinder & Screen
Viewfinder resolution
- 3.69 M dots
- 9.44 M dots
- 5.76 M dots
- 2.36 M dots
Viewfinder magnification
- 0.76 x
- 0.9 x
- 0.76 x
- 0.7 x
Screen size
- 3 in
- 3.2 in
- Not published
- 3 in
Screen articulation
- Fully articulated
- Multi-angle
- Fully articulated
- Fully articulated
Rear screen resolution
- 1.6 M dots
- 2.1 M dots
- 2.1 M dots
- 1.62 M dots
Handling & Power
Memory card slots
- 2 slots
- 2 slots
- 2 slots
- 1 slots
Weather sealing
- Dust and drip resistant
- Dust and drip resistant18
- Dust and drip resistant
- Dust and drip resistant
Weight
- 699 g
- 743 g
- 746 g
- 461 g
Width
- 138.4 mm
- 136.1 mm
- 138.5 mm
- 132.5 mm
Height
- 98.4 mm
- 96.9 mm
- 101.2 mm
- 86.1 mm
Depth
- 88.4 mm
- 82.9 mm19
- 93.5 mm
- 70 mm
USB charging & power delivery
- Yes20
- Yes
- Yes
- 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 20 values — test conditions and caveats
- 1Sony a1 II, Release date: Announced 19 November 2024; first retail availability was December 2024.
- 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.
- 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 a1 II, In-body image stabilization: 8.5 stops is the CIPA centre rating; 7.0 stops at the periphery.
- 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.
- 6Sony a1 II, Pre-burst capture duration: Pre-capture buffers between 0.03 s and 1 s of frames before full shutter press.
- 7Canon EOS R5 Mark II, Pre-burst capture duration: Up to 15 shots can be buffered before you fully press the shutter, which is about half a second at 30 fps.
- 8Canon EOS R6 Mark III, AF subject detection: Car detection is tuned for racing cars, per Canon.
- 9Canon EOS R6 Mark III, Max video resolution: 7K is available only in RAW Video mode; standard MP4 recording tops out at 4K.
- 10Sony a1 II, 4K max frame rate: 4K 100p/120p recording uses a 1.1x crop.
- 11Canon EOS R5 Mark II, Video codecs: Internal codecs are XF-HEVC S, XF-AVC S and H.264 MP4; ProRes RAW is recorded via HDMI to an external recorder.
- 12Canon 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.
- 13Sony a1 II, 4K max frame rate (full width): Full-width 4K tops out at 59.94p; 4K 100/120p requires a 1.1x crop.
- 14Sony a1 II, Raw video recording: 16-bit RAW video can only be output over HDMI to an external recorder; no internal RAW recording.
- 15Canon EOS R6 Mark III, Video dynamic range (log): Canon's claim of 15+ stops in its Canon Log profiles, not a lab measurement.
- 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.
- 17Sony a1 II, Battery life: CIPA rating is 520 shots per charge on the rear LCD; 420 shots with the viewfinder.
- 18Sony a1 II, Weather sealing: Sony specifies dust- and moisture-resistant sealing; no formal IP rating is published.
- 19Sony a1 II, Depth: Sony also lists 72.8 mm depth measured from grip to monitor, excluding the grip protrusion.
- 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.
Where to buy
Canon EOS R6 Mark III
Sony a1 II
Canon EOS R5 Mark II
Canon EOS R8











