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Sony A7S III vs Sony TX66

Portability
61
Imaging
65
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
42
Features
51
Overall
45

Sony A7S III vs Sony TX66 Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Released July 2020
  • Succeeded the Sony A7S II
Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Display
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Launched February 2012
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Sony A7S III vs Sony TX66 Overview

Lets look much closer at the Sony A7S III versus Sony TX66, one is a Pro Mirrorless and the other is a Ultracompact and both of them are produced by Sony. There is a sizeable difference between the sensor resolutions of the A7S III (12MP) and TX66 (18MP) and the A7S III (Full frame) and TX66 (1/2.3") come with different sensor size.

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The A7S III was introduced 8 years after the TX66 which is quite a large gap as far as tech is concerned. Each of the cameras offer different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony TX66 being a Ultracompact camera.

Before getting straight into a full comparison, below is a concise highlight of how the A7S III scores against the TX66 in the way of portability, imaging, features and an overall score.

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Reasons to pick Sony A7S III over the Sony TX66

 A7S III TX66 
LaunchedJuly 2020February 2012More modern by 103 months
Display typeFully articulatedFixed Fully Articulating display
Display resolution1440k1230kSharper display (+210k dot)
Selfie screen Easy selfies

Reasons to pick Sony TX66 over the Sony A7S III

 TX66 A7S III 
Display sizing3.3"3"Larger display (+0.3")

Common features in the Sony A7S III and Sony TX66

 A7S III TX66 
Manually focus Very precise focus
Touch display Easily navigate

Sony A7S III vs Sony TX66 Physical Comparison

For anybody who is aiming to carry around your camera, you will need to consider its weight and measurements. The Sony A7S III features physical dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs) while the Sony TX66 has proportions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs).

Analyze the Sony A7S III versus Sony TX66 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at the time. Underneath is the front view scale comparison of the A7S III compared to the TX66.

Sony A7S III vs Sony TX66 size comparison

Taking into consideration size and weight, the portability rating of the A7S III and TX66 is 61 and 97 respectively.

Sony A7S III vs Sony TX66 top view buttons comparison

Sony A7S III vs Sony TX66 Sensor Comparison

In many cases, it can be hard to picture the difference between sensor sizes only by reading through specifications. The pic below should provide you a more clear sense of the sensor sizes in the A7S III and TX66.

Plainly, both of the cameras offer different megapixel count and different sensor sizes. The A7S III having a larger sensor is going to make getting shallow DOF easier and the Sony TX66 will give you more detail using its extra 6MP. Greater resolution will also help you crop photos a little more aggressively. The more recent A7S III provides a benefit when it comes to sensor technology.

Sony A7S III vs Sony TX66 sensor size comparison

Sony A7S III vs Sony TX66 Screen and ViewFinder

Sony A7S III vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography information
Sony TX66 Portrait photography information
71
you can focus manually
big sensor size (Full frame)
provides face detect focusing
delivers RAW formats
sensor resolution not great (12 megapixels)
42
you can focus manually
decent sensor resolution (18MP)
offers face detection focusing
no manual control
external flash not possible
sensor is very small (1/2.3")
does not have RAW format
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Street Comparison

Sony A7S III as a Street photography camera
Sony TX66 as a Street photography camera
76
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW formats
has focus by touch
environment proofing
above average high ISO (102,400)
64
image stabilization (Optical)
comes with focus via touch
no moving screen
sensor is very small (1/2.3")
does not have RAW format
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Sports Comparison

Sony A7S III as a Sports photography camera
Sony TX66 as a Sports photography camera
76
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
provides tracking focus
environment proofing
great battery life (600 CIPA)
has phase detect AF
sensor resolution not great (12MP)
49
image stabilization (Optical)
decent sensor resolution (18 megapixels)
offers tracking autofocus
great battery (250 shots)
lack of shutter priority mode
sensor is very small (1/2.3")
does not have phase detect AF
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Travel Comparison

Sony A7S III Travel photography information
Sony TX66 Travel photography information
70
great battery life (600 CIPA)
environment proofing
has bluetooth
has focus by touch
selfie friendly screen
sensor resolution not great (12 megapixels)
72
great battery (250 per charge)
comes with focus via touch
decent sensor resolution (18 megapixels)
flash built-in
rather wide (26mm)
no Timelapse recording
screen is not selfie friendly
sluggish maximum aperture (f3.5)
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Landscape Comparison

Sony A7S III Landscape photography features
Sony TX66 Landscape photography features
77
you can focus manually
change lenses (Sony E mount)
screen size is good (3 inch)
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
above average high ISO (102,400)
delivers RAW formats
environment proofing
great battery life (600 CIPA)
two card slots
sensor resolution not great (12 megapixels)
51
you can focus manually
rather wide (26mm)
screen size is good (3.3")
image stabilization (Optical)
decent sensor resolution (18 megapixels)
great battery (250 CIPA)
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
no manual control
sensor is very small (1/2.3")
does not have RAW format
no Timelapse recording
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Vlogging Comparison

Sony A7S III Vlogging information
Sony TX66 Vlogging information
77
selfie friendly screen
has touchscreen
has image stabilization (Sensor based 5-axis)
provides face detect focusing
high video quality (3840 x 2160 pixels)
has mic socket
36
rather wide (26mm)
touch screen
image stabilization (Optical)
offers face detection focusing
high res video (1920 x 1080 pxls)
sluggish maximum aperture (f3.5)
screen is not selfie friendly
no external microphone socket
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Sony A7S III vs Sony TX66 Specifications

Detailed spec comparison table for Sony A7S III and Sony TX66
 Sony Alpha A7S IIISony Cyber-shot DSC-TX66
General Information
Brand Name Sony Sony
Model type Sony Alpha A7S III Sony Cyber-shot DSC-TX66
Category Pro Mirrorless Ultracompact
Released 2020-07-21 2012-02-28
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Powered by 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 megapixel 18 megapixel
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3 and 16:9
Highest resolution 4240 x 2832 4896 x 3672
Highest native ISO 102400 12800
Highest boosted ISO 409600 -
Minimum native ISO 80 80
RAW photos
Minimum boosted ISO 50 -
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 759 -
Cross type focus points - -
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 26-130mm (5.0x)
Highest aperture - f/3.5-4.8
Macro focusing range - 1cm
Number of lenses 121 -
Focal length multiplier 1 5.8
Screen
Type of screen Fully articulated Fixed Type
Screen diagonal 3" 3.3"
Screen resolution 1,440 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch friendly
Screen tech - XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 9,440 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.91x -
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 3.10 m
Flash settings no built-in flash Auto, On, Off, Slow Sync, Rear Slow Sync
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
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 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 3840x2160 1920x1080
Video data 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 None
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 699 gr (1.54 lb) 109 gr (0.24 lb)
Dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO All around 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 photographs 250 photographs
Battery type Battery Pack Battery Pack
Battery ID NP-FZ100 NP-BN
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting With downloadable app
Storage type Dual SD/CFexpress Type A slots Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Card slots Dual 1
Launch price $3,499 $350