Compare Sony A7S III vs Sony A6400 vs Canon M6 Mark II

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

Sony A6400 APS-C Mirrorless Camera (2019)

Canon EOS M6 Mark II APS-C Mirrorless Camera (2019)

Sony | Cameras

Canon | Cameras

Connectivity

Ports

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

HDMI + Microphone + Remote Control + USB 2.0

Wireless Connectivity

802.11ac (dual band) + Bluetooth

802.11b/g/n + NFC + Bluetooth 4.1

802.11b/g/n + Bluetooth

Construction

Adjustment | Tilt

Open to 176 deg, Rotate 270 deg

Form Factor

Mirrorless camera

Image Size

Full frame (35.6 x 23.8 mm)

APS-C (23.5 x 15.6 mm)

APS-C (22.3 x 14.9 mm)

Lens Mount

Sony E-mount

Canon EF-M-mount

Material

Magnesium alloy

Microphone

Stereo

Sensor | Resolution

12 MP (4240 x 2832)

24 MP (6000 x 4000)

33 MP (6960 x 4640)

Sensor | Type

BSI-CMOS

CMOS

Speakers

Mono

Dimensions

Size | Depth

81 mm / 3.19 in

60 mm / 2.36 in

49 mm / 1.93 in

Size | Height

97 mm / 3.82 in

67 mm / 2.64 in

70 mm / 2.76 in

Size | Width

129 mm / 5.08 in

120 mm / 4.72 in

Weight

699 g / 24.70 oz

403 g / 14.24 oz

408 g / 14.42 oz

Display

Display Diagonal

3 inch

Display Type

Fully articulated TFT LCD

Tilting TFT LCD

Resolution

1,440,000 dots

921,600 dots

1,040,000 dots

Viewfinder | Coverage

100%

Viewfinder | Magnification

0.91x

1.07x

Viewfinder | Resolution

9,440,000 dots

2,359,296 dots

2,360,000 dots

Viewfinder | Type

Electronic

Electronic (optional)

Function

AE Bracketing

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

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

±3 (3 frames at 1/3 EV, 1/2 EV steps)

Autofocus

759 focus points

425 focus points

143 focus points

Crop Factor

1.0

1.5

1.6

Exposure Compensation

±5 (at 1/3 EV, 1/2 EV steps)

±3 (at 1/3 EV, 1/2 EV steps)

Exposure Mode

Auto / Aperture Priority / Shutter Priority / Manual

Flash

Built-in

Flash Sync Speed

1/250 s

1/160 s

1/200 s

GPS

ISO Range

80 ~ 102400 (expands to 40 ~ 409600)

100 ~ 32000 (expands to 102800)

100 ~ 25600 (expands to 51200)

Image Stabilization

5-axis (5.5 stops)

Intervalometer

Yes

Processor

Bionz XR

Bionz X

DIGIC 8

Touch Screen

Yes

Video Codecs

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

MPEG-4, H.264

Video Recording

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

4K 30 fps, 1080p 120 fps

4K 30 fps

Weather Resistance

Yes

Performance

Battery Life

600 shots

410 shots

305 shots

Battery Life | Stills

510 shots (Viewfinder) / 600 shots (LCD)

360 shoes (viewfinder) / 410 shots (LCD)

Battery Life | Video

80 min (Viewfinder) / 95 min (LCD)

70 min (viewfinder) / 75 min (LCD)

Dynamic Range

15 stops

Flash Range

6.00 m

4.60 m

Max Burst Rate

10.0 fps

11.0 fps

14.0 fps

Shutter Speed

1/8000 to 30 s

1/4000 - 30 s

1/16000 s (electronic) / 1/4000 s (mechanical) ~ 30 s

Storage

Dual SD/CFexpress Type A slots

SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant)

SD/SDHC/SDXC card (UHS-II supported)

Production

Accessory

Optional EVF: EVF-DC1, EVF-DC2

Availability

2020-09

Battery

NP-FZ100 lithium-ion battery charger

NP-FW50

LP-E17 lithium-ion battery & charger

Debut

2020-07-28

2019-01-15

2019-08-28

Model Name

ILCE-7SM3

ILCE-6400

Reviews

Neofiliac score

84%

61%

54%

Pros

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

Good 11.0 fps burst rate
Rather compact
Quite light
Weather-sealed
Viewfinder with great 1.07x magnification
Supports both WiFi and Bluetooth

Good 14.0 fps burst rate
Rather compact
Quite light
Supports both WiFi and Bluetooth

Cons

Very low 12 MP resolution

Low resolution EVF
Poor touch operation

Poor battery life
Lacks weather sealing
Low resolution EVF

Price

Offers (incl. referral links)

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