Compare Sony A7R IV vs Sony A7S III vs Sony ZV1

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

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

Sony | Cameras

Connectivity

Ports

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

HDMI + Microphone + Remote Control + USB 2.0

Wireless Connectivity

802.11ac + Bluetooth 4.1 + NFC

802.11ac (dual band) + Bluetooth

802.11ac + Bluetooth

Construction

Adjustment | Tilt

Adjustable up 107 deg, down 41 deg

Open to 176 deg, Rotate 270 deg

Form Factor

Mirrorless camera

Compact camera with zoom lens

Image Size

Full frame (35.7 x 23.8 mm)

Full frame (35.6 x 23.8 mm)

1″ (13.2 x 8.8 mm)

Lens

ZEISS Vario-Sonnar T

Lens Mount

Sony E-mount

Material

Magnesium alloy

Microphone

Stereo

Sensor | Resolution

61 MP (9504 x 6336)

12 MP (4240 x 2832)

20 MP (5472 x 3648)

Sensor | Type

BSI-CMOS

Speakers

Mono

Dimensions

Size | Depth

78 mm / 3.07 in

81 mm / 3.19 in

44 mm / 1.73 in

Size | Height

96 mm / 3.78 in

97 mm / 3.82 in

60 mm / 2.36 in

Size | Width

129 mm / 5.08 in

105 mm / 4.13 in

Weight

665 g / 23.50 oz

699 g / 24.70 oz

294 g / 10.39 oz

Display

Display Diagonal

3 inch

Display Type

Tilting TFT LCD

Fully articulated TFT LCD

Resolution

1,440,000 dots

921,600 dots

Viewfinder | Coverage

100%

Viewfinder | Magnification

0.78x

0.91x

Viewfinder | Resolution

5,760,000 dots

9,440,000 dots

Viewfinder | Type

Electronic

None

Function

AE Bracketing

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

±3 (3 frames at 1/3 EV steps)

Angle Of View

84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)

Aperture

f/1.8 (wide) ~ f/2.8 (tele)

Autofocus

567 focus points

759 focus points

315 focus points

Crop Factor

1.0

2.7

Exposure Compensation

±5 (at 1/3 EV, 1/2 EV steps)

±3 (at 1/3 EV steps)

Exposure Mode

Auto / Aperture Priority / Shutter Priority / Manual

Filter

ND Filter: Auto / On (3 steps) / Off

Flash Sync Speed

1/250 s

Focal Length

8.9 mm ~ 25.9 mm

Focal Length (35mm Equivalent)

24 mm ~ 70 mm

GPS

ISO Range

ISO 100 ~ 32000 (expands to 50 ~ 102800)

80 ~ 102400 (expands to 40 ~ 409600)

125 ~ 12800, extendable to 80 ISO ~ 25600 ISO

Image Stabilization

5.5 stops

5-axis (5.5 stops)

Optical

Intervalometer

Yes

Processor

Bionz X

Bionz XR

Bionz X

Touch Screen

Yes

Video Codecs

MPEG-4, XAVC S, H.264

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

MPEG-4, AVCHD, XAVC S

Video Recording

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

4K 30p, 1080i

Weather Resistance

Yes

Zoom

2.9x optical zoom, Digital zoom available

Performance

Battery Life

670 shots

600 shots

260 shots

Battery Life | Stills

530 shots (Viewfinder) / 670 shots (LCD)

510 shots (Viewfinder) / 600 shots (LCD)

Battery Life | Video

90 min (Viewfinder) / 105 min (LCD)

80 min (Viewfinder) / 95 min (LCD)

Dynamic Range

15 stops

Max Burst Rate

10.0 fps

24.0 fps

Min Focus Distance

50 mm / 1.97 in

Shutter Speed

1/8000 to 30 s

1/32000 s (electronic) / 1/2000 s (mechanical) ~ 30 s

Storage

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

Dual SD/CFexpress Type A slots

SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo

Production

Availability

2020-09

Battery

NP-FZ100 lithium-ion battery & charger

NP-FZ100 lithium-ion battery charger

NP-BX1 lithium-ion battery & USB charger

Debut

2019-07-16

2020-07-28

2020-05-26

Made In

Thailand

Model Name

ILCE-7RM4

ILCE-7SM3

Reviews

Neofiliac score

85%

84%

81%

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

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

Fully articulated LCD
Extraordinary 24.0 fps burst rate
Very light
Supports both WiFi and Bluetooth

Cons

Viewfinder with low 0.78x magnification

Very low 12 MP resolution

Poor battery life
125 base ISO
Low 20 MP resolution
Lacks weather sealing

Price

Offers (incl. referral links)

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