Compare Sony a7R III vs Nikon D780 vs Nikon D850

Sony a7R III / a7R IIIa (A7R3) Full-Frame Mirrorless Camera (2017)

Nikon D780 Full-Frame DSLR Camera (2020)

Nikon D850 Full-Frame DSLR Camera (2017)

Sony | Cameras

Nikon | Cameras

Connectivity

Ports

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

HDMI + Headphone + Microphone + Remote Control + USB 3.0

Wireless Connectivity

802.11b/g/n + NFC + Bluetooth

802.11b/g/n + Bluetooth 4.1

802.11b/g + NFC + Bluetooth 4.1 LE

Construction

Form Factor

Mirrorless camera

DSLR camera

Image Size

Full frame (35.9 x 24 mm)

Full frame (35.9 x 23.9 mm)

Lens Mount

Sony E-mount

Nikon F-mount

Microphone

Stereo

Sensor | Resolution

42 MP (7952 x 5304)

25 MP (6048 x 4024)

45 MP (8256 x 5504)

Sensor | Type

BSI-CMOS

Speakers

Mono

Dimensions

Size | Depth

74 mm / 2.91 in

76 mm / 2.99 in

79 mm / 3.11 in

Size | Height

96 mm / 3.78 in

116 mm / 4.57 in

124 mm / 4.88 in

Size | Width

127 mm / 5.00 in

144 mm / 5.67 in

146 mm / 5.75 in

Weight

657 g / 23.22 oz

840 g / 29.68 oz

1005 g / 35.51 oz

Display

Display Diagonal

3 inch

3.2 inch

Display Type

Tilting TFT LCD

Resolution

1,440,000 dots

2,359,000 dots

Viewfinder | Coverage

100%

Viewfinder | Magnification

0.78x

0.7x

0.75x

Viewfinder | Resolution

3,686,400 dots

Viewfinder | Type

Electronic

Optical (pentaprism)

Function

AE Bracketing

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

±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV, 1 EV steps)

±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)

Autofocus

399 focus points

51 focus points (15 cross type)

151 focus points

Crop Factor

1.0

Exposure Compensation

±5 (at 1/3 EV, 1/2 EV steps)

±5 (at 1/3 EV, 1/2 EV, 1 EV steps)

Exposure Mode

Auto / Aperture Priority / Shutter Priority / Manual

Flash Sync Speed

1/200 s

GPS

ISO Range

100 ~ 32000 (expands to 50 ~ 102400)

100 ~ 51200 (expands to 50 ~ 204800)

64 ~ 25600 (expands to 32 ~ 102400)

Image Stabilization

5-axis (5.5 stops)

Intervalometer

Yes

Processor

Bionz X

Expeed 6

Expeed 5

Touch Screen

Yes

Video Codecs

MPEG-4, AVCHD, XAVC S

MPEG-4

Video Recording

4K 30p, FHD 120p

Weather Resistance

Yes

Performance

Battery Life

650 shots

2260 shots

1840 shots

Max Burst Rate

10.0 fps

12.0 fps

7.0 fps

Shutter Speed

1/8000 - 30 s

Storage

Two SD/SDHC/SDXC slots (UHS-II support on one)

Dual SD/SDHC/SDXC slots (UHS-II compatible)

SD/SDHC/SDXC (UHS-II supported) + XQD

Production

Battery

NP-FZ100 lithium-ion battery and charger

EN-EL15b lithium-ion battery & harger

EN-EL15a lithium-ion battery & charger

Debut

2017-10-25

2020-01-07

2017-07-25

Made In

Thailand

Model Name

ILCE-7RM3

Reviews

Neofiliac score

74%

66%

73%

Pros

Long battery life
5.5 stops of IBIS
Good 10.0 fps burst rate
Rather compact
High 42 MP resolution
Weather-sealed
Supports both WiFi and Bluetooth

Exceptional battery life
Good 12.0 fps burst rate
Weather-sealed
Supports both WiFi and Bluetooth

Exceptional battery life
64 base ISO
High 45 MP resolution
Weather-sealed
Supports both WiFi and Bluetooth
Exceptional ergonomics

Cons

Viewfinder with low 0.78x magnification
Lacks intervalometer for timelapse

Quite heavy
Viewfinder with low 0.7x magnification

Low 7.0 fps burst rate
Very heavy
Viewfinder with low 0.75x magnification

Price

Offers (incl. referral links)

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