Compare Canon EOS R3 vs Sony Alpha 1 vs Sony A7S III

Canon EOS R3 Full-Frame Mirrorless Camera (2021)

Sony A1 (Alpha 1) Full-Frame Mirrorless Camera (2021)

Sony A7S III (Alpha 7S III) Full-Frame Mirrorless Camera (2020)

Canon | Cameras

Sony | Cameras

Connectivity

Ports

HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 2

HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1

Wireless Connectivity

802.11ac + Bluetooth

802.11ac (Dual Band)

802.11ac (dual band) + Bluetooth

Construction

Adjustment | Tilt

Fully articulate LCD

Adjustable up 107 deg, Down 41 deg

Open to 176 deg, Rotate 270 deg

Form Factor

Mirrorless camera

Image Size

Full frame (36 x 24 mm)

Full frame (35.9 x 24 mm)

Full frame (35.6 x 23.8 mm)

Lens Mount

Canon RF-mount

Sony E-mount

Material

Magnesium alloy

Microphone

Stereo

Misc

Low Pass Filter

Sensor | Resolution

24 MP (6000 x 4000)

50 MP (8640 x 5760)

12 MP (4240 x 2832)

Sensor | Type

Stacked CMOS

BSI-CMOS

Speakers

Mono

Dimensions

Size | Depth

87 mm / 3.43 in

81 mm / 3.19 in

Size | Height

143 mm / 5.63 in

97 mm / 3.82 in

Size | Width

150 mm / 5.91 in

129 mm / 5.08 in

Weight

1015 g / 35.87 oz

737 g / 26.04 oz

699 g / 24.70 oz

Display

Display Diagonal

3.2 inch

3 inch

Display Type

Fully articulated TFT LCD

Tilting TFT LCD

Fully articulated TFT LCD

Resolution

4,150,000 dots

1,440,000 dots

Viewfinder | Coverage

100%

Viewfinder | Magnification

0.76x

0.9x

0.91x

Viewfinder | Resolution

5,760,000 dots

9,437,184 dots

9,440,000 dots

Viewfinder | Type

Electronic

Function

AE Bracketing

±3 (at 1/3 EV, 1/2 EV steps)

±5 (3, 5 frames at 1/3 EV, 1/2 EV steps)

±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)

Autofocus

1053 focus points

759 focus points

Crop Factor

1.0

Exposure Compensation

±3 (at 1/3 EV, 1/2 EV steps)

±5 (at 1/3 EV, 1/2 EV steps)

Exposure Mode

Auto / Aperture Priority / Shutter Priority / Manual

Flash Sync Speed

1/250 sec electronic 1st curtain shutter / 1/180 sec electronic shutter / 1/200 sec mechanical

1/250s or 1/500s (Flash Sync Priority)

1/250 s

GPS

Yes

ISO Range

100 ~ 102400 (expands to 50 ~ 204800)

100 ~ 32000 (expands to 50 ~ 102400)

80 ~ 102400 (expands to 40 ~ 409600)

Image Stabilization

8 stops

5.5 stops

5-axis (5.5 stops)

Intervalometer

Yes

Operating Temperature

0 ~ 40°C / 32 ~ 104°F

32 - 104 degrees F / 0 - 40 degrees C

Picture Profile

Gamma: Movie, Still, S-Cinetone, Cine1-4, ITU709, ITU709 (800%), S-Log2, S-Log3, HLG, HLG1-3

Processor

Digic X

Dual Bionz XR

Bionz XR

Touch Screen

Yes

Video Codecs

MPEG-4, H.264, H.265

XAVC S, XAVC HS, XAVC S-I, H.264, H.265

MPEG-4, XAVC S, XAVC HS, XAVC S-I, H.264, H.265

Video Recording

Up to 8K UHD (7680x4320) 10bit 4:2:0 30fps 400Mbps | Up to 4K UHD (3840x2160) 10bit 4:2:2 120fps 280Mbps | Up to FHD (1920x1080) 10bit 4:2:2 60fps 50Mbps / 8bit 4:2:0 120fps 100Mbps

Up to 4K 120p 10bit 4:2:2, up to FHD 240p

Weather Resistance

Yes

Performance

Battery Life

760 shots

530 shots

600 shots

Battery Life | Stills

430 shots (Viewfinder) / 530 shots (LCD)

510 shots (Viewfinder) / 600 shots (LCD)

Battery Life | Video

90 min (Viewfinder) / 95 min (LCD)

80 min (Viewfinder) / 95 min (LCD)

Dynamic Range

15 stops

Max Burst Rate

30.0 fps

10.0 fps

Shutter Speed

1/64000 s (electronic) / 1/8000 s (mechanical) ~ 30/11 s

1/32000 s (electronic) / 1/8000 s (mechanical) ~ 30 s

1/8000 to 30 s

Storage

SD/SDHC/SDXC (UHS-II supported) + CFexpress Type B

Dual SD/CFexpress Type A slots (UHS-II supported)

Dual SD/CFexpress Type A slots

Production

Availability

2021-03

2020-09

Battery

LP-E19 lithium-ion battery & charger

NP-FZ100 lithium-ion battery & charger

NP-FZ100 lithium-ion battery charger

Debut

2021-04-14

2021-01-26

2020-07-28

Made In

Thailand

Model Name

ILCE-1

ILCE-7SM3

Reviews

Neofiliac score

92%

100%

84%

Pros

Fully articulated LCD
Exceptional battery life
Built-in GPS functionality
8 stops of IBIS
Extraordinary 30.0 fps burst rate
Weather-sealed
Supports CFExpress card
High resolution EVF
Supports both WiFi and Bluetooth

Long battery life
5.5 stops of IBIS
Extraordinary 30.0 fps burst rate
Rather compact
Exceptionally high 50 MP resolution
Weather-sealed
Supports CFExpress Type A card
Very high resolution EVF

Fully articulated LCD
Long battery life
80 base ISO
5.5 stops of IBIS
Good 10.0 fps burst rate
Rather compact
Weather-sealed
Supports CFExpress Type A card
Very high resolution EVF
Supports both WiFi and Bluetooth

Cons

Very heavy
Viewfinder with low 0.76x magnification

Very expensive

Very low 12 MP resolution

Price

Offers (incl. referral links)

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