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Sony A7S III vs Sony WX9

Portability
61
Imaging
65
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Cyber-shot DSC-WX9 front
Portability
99
Imaging
39
Features
37
Overall
38

Sony A7S III vs Sony WX9 Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Expand to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Announced July 2020
  • Earlier Model is Sony A7S II
Sony WX9
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-125mm (F2.6-6.3) lens
  • n/ag - 95 x 56 x 20mm
  • Announced January 2011
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Sony A7S III vs Sony WX9 Overview

In this write-up, we will be comparing the Sony A7S III and Sony WX9, former being a Pro Mirrorless while the latter is a Ultracompact and both are sold by Sony. There exists a large gap between the image resolutions of the A7S III (12MP) and WX9 (16MP) and the A7S III (Full frame) and WX9 (1/2.3") use totally different sensor sizing.

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The A7S III was unveiled 9 years later than the WX9 and that is quite a serious difference as far as technology is concerned. Both of the cameras offer different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony WX9 being a Ultracompact camera.

Before getting straight into a step-by-step comparison, below is a quick introduction of how the A7S III scores versus the WX9 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Sony A7S III over the Sony WX9

 A7S III WX9 
AnnouncedJuly 2020January 2011Fresher by 117 months
Focus manually More exact focus
Screen typeFully articulatedFixed Fully Articulating screen
Screen resolution1440k921kCrisper screen (+519k dot)
Selfie screen Easy selfies
Touch friendly screen Quickly navigate

Reasons to pick Sony WX9 over the Sony A7S III

 WX9 A7S III 

Common features in the Sony A7S III and Sony WX9

 A7S III WX9 
Screen sizing3"3"Equivalent screen measurement

Sony A7S III vs Sony WX9 Physical Comparison

For anyone who is going to carry your camera often, you're going to have to take into account its weight and size. The Sony A7S III offers external measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs) and the Sony WX9 has specifications of 95mm x 56mm x 20mm (3.7" x 2.2" x 0.8") accompanied by a weight of n/a grams (0.00 lbs).

Contrast the Sony A7S III and Sony WX9 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you are employing during that time. Here is the front view measurements comparison of the A7S III vs the WX9.

Sony A7S III vs Sony WX9 size comparison

Factoring in dimensions and weight, the portability rating of the A7S III and WX9 is 61 and 99 respectively.

Sony A7S III vs Sony WX9 top view buttons comparison

Sony A7S III vs Sony WX9 Sensor Comparison

Normally, it can be difficult to see the difference between sensor sizing just by looking at specs. The visual underneath will help offer you a more clear sense of the sensor sizing in the A7S III and WX9.

As you can plainly see, each of these cameras enjoy different megapixels and different sensor sizing. The A7S III with its bigger sensor will make shooting bokeh easier and the Sony WX9 will give you greater detail having an extra 4MP. Higher resolution will enable you to crop photographs far more aggressively. The more modern A7S III is going to have a benefit with regard to sensor tech.

Sony A7S III vs Sony WX9 sensor size comparison

Sony A7S III vs Sony WX9 Screen and ViewFinder

Sony A7S III vs Sony WX9 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography details
Sony WX9 Portrait photography details
71
has manual focus
great sensor size (Full frame)
features face detection focusing
saves RAW formats
low megapixels (12 megapixels)
30
resolution is good (16 megapixels)
manual focus not available
no manual control
no external flash support
small sensor (1/2.3")
doesn't have RAW support
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Street Comparison

Sony A7S III as a Street photography camera
Sony WX9 as a Street photography camera
76
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
saves RAW formats
offers focus via touch
environment sealing
above average high ISO (102,400)
59
has image stabilization (Optical)
no moving screen
small sensor (1/2.3")
doesn't have RAW support
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Sports Comparison

Sony A7S III Sports photography advice
Sony WX9 Sports photography advice
76
great max shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
features tracking autofocus
environment sealing
better than average battery (600 per charge)
sensor has phase detect AF
low megapixels (12 megapixels)
39
has image stabilization (Optical)
resolution is good (16MP)
no shutter priority mode
small sensor (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Sony A7S III Travel photography info
Sony WX9 Travel photography info
70
better than average battery (600 per charge)
environment sealing
has bluetooth
offers focus via touch
screen is selfie friendly
low megapixels (12MP)
67
resolution is good (16 megapixels)
built-in flash
fairly wide (25mm)
no Timelapse mode
display is not selfie friendly
slow max aperture (f2.6)
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Landscape Comparison

Sony A7S III Landscape photography features
Sony WX9 Landscape photography features
77
has manual focus
change lenses (Sony E mount)
decent sized screen (3 inch)
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
above average high ISO (102,400)
saves RAW formats
environment sealing
better than average battery (600 per charge)
two card slots
low megapixels (12MP)
43
fairly wide (25mm)
pretty good screen size (3 inch)
has image stabilization (Optical)
resolution is good (16 megapixels)
manual focus not available
lens is fixed (fixed lens mount)
slow max aperture (f2.6)
no manual control
small sensor (1/2.3")
doesn't have RAW support
no Timelapse mode
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Vlogging Comparison

Sony A7S III Vlogging features
Sony WX9 Vlogging features
77
screen is selfie friendly
touchscreen capability
has image stabilization (Sensor based 5-axis)
features face detection focusing
video resolution high (3840 x 2160 pixels)
includes external microphone socket
33
fairly wide (25mm)
has image stabilization (Optical)
video resolution high (1920 x 1080 pxls)
slow max aperture (f2.6)
display is not selfie friendly
no microphone socket
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Sony A7S III vs Sony WX9 Specifications

Detailed spec comparison table for Sony A7S III and Sony WX9
 Sony Alpha A7S IIISony Cyber-shot DSC-WX9
General Information
Manufacturer Sony Sony
Model type Sony Alpha A7S III Sony Cyber-shot DSC-WX9
Type Pro Mirrorless Ultracompact
Announced 2020-07-21 2011-01-06
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Processor Chip Bionz XR BIONZ
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1/2.3"
Sensor measurements 35.6 x 23.8mm 6.17 x 4.55mm
Sensor area 847.3mm² 28.1mm²
Sensor resolution 12 megapixels 16 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3 and 16:9
Peak resolution 4240 x 2832 4608 x 3456
Highest native ISO 102400 3200
Highest enhanced ISO 409600 -
Lowest native ISO 80 100
RAW support
Lowest enhanced ISO 50 -
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 759 9
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 25-125mm (5.0x)
Highest aperture - f/2.6-6.3
Macro focusing range - 5cm
Total lenses 121 -
Crop factor 1 5.8
Screen
Type of display Fully articulated Fixed Type
Display size 3 inch 3 inch
Resolution of display 1,440 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch capability
Display tech - XtraFine LCD
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 9,440 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.91x -
Features
Min shutter speed 30 secs 2 secs
Max shutter speed 1/8000 secs 1/1600 secs
Continuous shutter rate 10.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change WB
Image stabilization
Built-in flash
Flash distance no built-in flash 5.30 m
Flash options no built-in flash Auto, On, Off, Slow Sync
External flash
AEB
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 3840x2160 1920x1080
Video format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 699g (1.54 pounds) -
Dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 95 x 56 x 20mm (3.7" x 2.2" x 0.8")
DXO scores
DXO Overall rating 85 not tested
DXO Color Depth rating 23.6 not tested
DXO Dynamic range rating 13.3 not tested
DXO Low light rating 2993 not tested
Other
Battery life 600 images -
Style of battery Battery Pack -
Battery ID NP-FZ100 NP-BN1
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature With downloadable app
Storage type Dual SD/CFexpress Type A slots SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots Two One
Retail pricing $3,499 $188