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Sony A7R IV vs Sony TX66

Portability
62
Imaging
81
Features
93
Overall
85
Sony Alpha A7R IV front
 
Sony Cyber-shot DSC-TX66 front
Portability
97
Imaging
42
Features
51
Overall
45

Sony A7R IV vs Sony TX66 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Raise to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Announced July 2019
  • Succeeded the Sony A7R III
  • Updated by Sony A7R V
Sony TX66
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Screen
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 109g - 93 x 54 x 13mm
  • Introduced February 2012
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Sony A7R IV vs Sony TX66 Overview

Below is a in-depth analysis of the Sony A7R IV vs Sony TX66, one being a Pro Mirrorless and the latter is a Ultracompact and both are created by Sony. There exists a huge gap between the resolutions of the A7R IV (61MP) and TX66 (18MP) and the A7R IV (Full frame) and TX66 (1/2.3") possess totally different sensor measurements.

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The A7R IV was brought out 7 years later than the TX66 and that is quite a significant gap as far as technology is concerned. Both cameras offer different body type with the Sony A7R IV being a SLR-style mirrorless camera and the Sony TX66 being a Ultracompact camera.

Before delving in to a detailed comparison, below is a simple view of how the A7R IV grades against the TX66 in relation to portability, imaging, features and an overall grade.

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Reasons to pick Sony A7R IV over the Sony TX66

 A7R IV TX66 
IntroducedJuly 2019February 2012More recent by 90 months
Screen typeTiltingFixed Tilting screen
Screen resolution1440k1230kClearer screen (+210k dot)

Reasons to pick Sony TX66 over the Sony A7R IV

 TX66 A7R IV 
Screen sizing3.3"3"Bigger screen (+0.3")

Common features in the Sony A7R IV and Sony TX66

 A7R IV TX66 
Manual focus Very exact focusing
Selfie screen Missing selfie screen
Touch screen Quickly navigate

Sony A7R IV vs Sony TX66 Physical Comparison

In case you're looking to lug around your camera often, you are going to need to factor in its weight and proportions. The Sony A7R IV features external dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") along with a weight of 665 grams (1.47 lbs) and the Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs).

Look at the Sony A7R IV vs Sony TX66 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose during that time. Below is the front view physical size comparison of the A7R IV and the TX66.

Sony A7R IV vs Sony TX66 size comparison

Factoring in dimensions and weight, the portability grade of the A7R IV and TX66 is 62 and 97 respectively.

Sony A7R IV vs Sony TX66 top view buttons comparison

Sony A7R IV vs Sony TX66 Sensor Comparison

Sometimes, it is difficult to visualise the gap between sensor measurements purely by going over technical specs. The visual here might provide you a far better sense of the sensor sizes in the A7R IV and TX66.

As you have seen, both of those cameras offer different megapixel count and different sensor measurements. The A7R IV featuring a bigger sensor will make getting shallower DOF simpler and the Sony A7R IV will offer you extra detail having its extra 43 Megapixels. Higher resolution will also help you crop pictures a little more aggressively. The fresher A7R IV is going to have an advantage when it comes to sensor innovation.

Sony A7R IV vs Sony TX66 sensor size comparison

Sony A7R IV vs Sony TX66 Screen and ViewFinder

Sony A7R IV vs Sony TX66 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sony A7R IV
Portrait photography with Sony TX66
88
has manual focus
resolution is great (61 megapixels)
sensor size is great (Full frame)
supports face detect focusing
saves RAW formats
42
focusing manually
megapixel count decent (18 megapixels)
has face detect focus
lack of manual exposure
can't use external flash
sensor is very small (1/2.3")
does not have RAW support
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Street Comparison

Sony A7R IV Street photography factors
Sony TX66 Street photography factors
79
tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
saves RAW formats
provides focus by touch
environment proof
great ISO range (32,000)
64
image stabilization (Optical)
supports focus via touch
no articulating screen
sensor is very small (1/2.3")
does not have RAW support
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Sports Comparison

Sony A7R IV Sports photography information
Sony TX66 Sports photography information
90
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based 5-axis)
resolution is great (61MP)
sensor size is great (Full frame)
supports tracking focus
environment proof
good battery (670 shots)
comes with phase detect AF
49
image stabilization (Optical)
megapixel count decent (18MP)
has tracking focus
better than average battery (250 shots)
lack of shutter priority mode
sensor is very small (1/2.3")
does not have phase detect auto focus
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Travel Comparison

Sony A7R IV as a Travel photography camera
Sony TX66 as a Travel photography camera
74
good battery (670 shots)
environment proof
supports bluetooth
provides focus by touch
resolution is great (61 megapixels)
doesn't have a selfie friendly display
72
better than average battery (250 per charge)
supports focus via touch
megapixel count decent (18 megapixels)
flash built-in
really wide (26mm)
no Time Lapse recording
doesn't have a selfie friendly screen
somewhat slow max aperture (f3.5)
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Landscape Comparison

Sony A7R IV Landscape photography highlights
Sony TX66 Landscape photography highlights
88
has manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inches)
built in image stabilization (Sensor based 5-axis)
resolution is great (61MP)
sensor size is great (Full frame)
doesnt have anti aliasing filter
great ISO range (32,000)
saves RAW formats
environment proof
good battery (670 per charge)
2 card slots
51
focusing manually
really wide (26mm)
screen size is good (3.3 inch)
image stabilization (Optical)
megapixel count decent (18 megapixels)
better than average battery (250 per charge)
cannot switch lenses (fixed lens mount)
somewhat slow max aperture (f3.5)
lack of manual exposure
sensor is very small (1/2.3")
does not have RAW support
no Time Lapse recording
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Vlogging Comparison

Vlogging with Sony A7R IV
Vlogging with Sony TX66
37
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detect focusing
great video quality (3840 x 2160 resolution)
does have microphone support
doesn't have a selfie friendly display
36
really wide (26mm)
touchscreen
image stabilization (Optical)
has face detect focus
video res high (1920 x 1080 pixels)
somewhat slow max aperture (f3.5)
doesn't have a selfie friendly screen
no mic support
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Sony A7R IV vs Sony TX66 Specifications

Detailed spec comparison table for Sony A7R IV and Sony TX66
 Sony Alpha A7R IVSony Cyber-shot DSC-TX66
General Information
Company Sony Sony
Model Sony Alpha A7R IV Sony Cyber-shot DSC-TX66
Category Pro Mirrorless Ultracompact
Announced 2019-07-16 2012-02-28
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Processor Chip Bionz X BIONZ
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1/2.3"
Sensor dimensions 35.8 x 23.8mm 6.17 x 4.55mm
Sensor surface area 852.0mm² 28.1mm²
Sensor resolution 61 megapixels 18 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Highest resolution 9504 x 6336 4896 x 3672
Highest native ISO 32000 12800
Highest boosted ISO 102800 -
Lowest native ISO 100 80
RAW support
Lowest boosted ISO 50 -
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 567 -
Cross focus points - -
Lens
Lens mounting type Sony E fixed lens
Lens focal range - 26-130mm (5.0x)
Largest aperture - f/3.5-4.8
Macro focus distance - 1cm
Total lenses 121 -
Focal length multiplier 1 5.8
Screen
Type of screen Tilting Fixed Type
Screen size 3 inch 3.3 inch
Resolution of screen 1,440 thousand dots 1,230 thousand dots
Selfie friendly
Liveview
Touch display
Screen technology - XtraFine TruBlack OLED display
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 5,760 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/8000s 1/4000s
Continuous shooting rate 10.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash range no built-in flash 3.10 m
Flash modes Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. Auto, On, Off, Slow Sync, Rear Slow Sync
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/250s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 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 file format MPEG-4, XAVC S, H.264 MPEG-4, AVCHD
Mic support
Headphone support
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 665 gr (1.47 lbs) 109 gr (0.24 lbs)
Dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 93 x 54 x 13mm (3.7" x 2.1" x 0.5")
DXO scores
DXO All around score 99 not tested
DXO Color Depth score 26.0 not tested
DXO Dynamic range score 14.8 not tested
DXO Low light score 3344 not tested
Other
Battery life 670 images 250 images
Battery style Battery Pack Battery Pack
Battery model NP-FZ100 NP-BN
Self timer Yes Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Storage type Dual SD/SDHC/SDXC (UHS-II compatible) Memory Stick Duo/Pro Duo/Pro-HG Duo, microSD/microSDHC
Card slots 2 One
Launch cost $3,498 $350