Compare Sony A7R IV vs Sony A9 II vs Sony A7R IV

Sony A7R IV / A7R IVa (A7R4) Full-Frame Mirrorless Camera (2019)

Sony A9 II (Alpha 9 II) Full-Frame Mirrorless Camera (2019)

Sony | Cameras

Connectivity

Ports

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

Wireless Connectivity

802.11ac + Bluetooth 4.1 + NFC

802.11ac + NFC + Bluetooth

802.11ac + Bluetooth 4.1 + NFC

Construction

Adjustment | Tilt

Adjustable up 107 deg, down 41 deg

Adjustable up 107 deg, Down 41 deg

Adjustable up 107 deg, down 41 deg

Form Factor

Mirrorless camera

Image Size

Full frame (35.7 x 23.8 mm)

Full frame (35.6 x 23.8 mm)

Full frame (35.7 x 23.8 mm)

Lens Mount

Sony E-mount

Material

Magnesium alloy

Microphone

Stereo

Sensor | Resolution

61 MP (9504 x 6336)

24 MP (6000 x 4000)

61 MP (9504 x 6336)

Sensor | Type

BSI-CMOS

Stacked CMOS

BSI-CMOS

Speakers

Mono

Dimensions

Size | Depth

78 mm / 3.07 in

76 mm / 2.99 in

78 mm / 3.07 in

Size | Height

96 mm / 3.78 in

Size | Width

129 mm / 5.08 in

Weight

665 g / 23.50 oz

678 g / 23.96 oz

665 g / 23.50 oz

Display

Display Diagonal

3 inch

Display Type

Tilting TFT LCD

Resolution

1,440,000 dots

Viewfinder | Coverage

100%

Viewfinder | Magnification

0.78x

Viewfinder | Resolution

5,760,000 dots

3,686,400 dots

5,760,000 dots

Viewfinder | Type

Electronic

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)

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

Autofocus

567 focus points

693 focus points

567 focus points

Crop Factor

1.0

Exposure Compensation

±5 (at 1/3 EV, 1/2 EV steps)

Exposure Mode

Auto / Aperture Priority / Shutter Priority / Manual

Flash Sync Speed

1/250 s

GPS

ISO Range

ISO 100 ~ 32000 (expands to 50 ~ 102800)

ISO 100 ~ 51200 (expands to 50 ~ 204800)

ISO 100 ~ 32000 (expands to 50 ~ 102800)

Image Stabilization

5.5 stops

5-axis (5.5 stops)

5.5 stops

Intervalometer

Yes

Processor

Bionz X

BIONZ X

Bionz X

Touch Screen

Yes

Video Codecs

MPEG-4, XAVC S, H.264

MPEG-4, AVCHD, H.264

MPEG-4, XAVC S, H.264

Weather Resistance

Yes

Performance

Battery Life

670 shots

690 shots

670 shots

Battery Life | Stills

530 shots (Viewfinder) / 670 shots (LCD)

500 shots (Viewfinder) / 690 shots (LCD)

530 shots (Viewfinder) / 670 shots (LCD)

Battery Life | Video

90 min (Viewfinder) / 105 min (LCD)

110 min (Viewfinder) / 120 min (LCD)

90 min (Viewfinder) / 105 min (LCD)

Dynamic Range

15 stops

Max Burst Rate

10.0 fps

20.0 fps

10.0 fps

Shutter Speed

1/8000 to 30 s

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

1/8000 to 30 s

Storage

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

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

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

Production

Battery

NP-FZ100 lithium-ion battery & charger

NP-FZ100

NP-FZ100 lithium-ion battery & charger

Debut

2019-07-16

2019-10-03

2019-07-16

Made In

Thailand

Model Name

ILCE-7RM4

ILCE-9M2

ILCE-7RM4

Reviews

Neofiliac score

85%

77%

85%

Pros

Long battery life
5.5 stops of IBIS
Good 10.0 fps burst rate
Rather compact
Exceptionally high 61 MP resolution
Weather-sealed
High resolution EVF
Supports both WiFi and Bluetooth

Exceptional readout speed thanks to stacked sensor
Long battery life
5.5 stops of IBIS
Extraordinary 20.0 fps burst rate
Rather compact
Weather-sealed
Supports both WiFi and Bluetooth

Long battery life
5.5 stops of IBIS
Good 10.0 fps burst rate
Rather compact
Exceptionally high 61 MP resolution
Weather-sealed
High resolution EVF
Supports both WiFi and Bluetooth

Cons

Viewfinder with low 0.78x magnification

Viewfinder with low 0.78x magnification

Viewfinder with low 0.78x magnification

Price

Offers (incl. referral links)

Remove

Add up to 4 products to the comparison using the search bar above

Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.