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Sony A7R IV vs Sony TX20

Portability
62
Imaging
81
Features
93
Overall
85
Sony Alpha A7R IV front
 
Sony Cyber-shot DSC-TX20 front
Portability
96
Imaging
39
Features
50
Overall
43

Sony A7R IV vs Sony TX20 Key Specs

Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Push 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
  • Superseded the Sony A7R III
  • Later Model is Sony A7R V
Sony TX20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 133g - 96 x 56 x 18mm
  • Released February 2012
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Sony A7R IV vs Sony TX20 Overview

Following is a complete review of the Sony A7R IV vs Sony TX20, one is a Pro Mirrorless and the other is a Ultracompact and both of them are offered by Sony. There exists a significant gap between the resolutions of the A7R IV (61MP) and TX20 (16MP) and the A7R IV (Full frame) and TX20 (1/2.3") boast different sensor sizes.

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The A7R IV was manufactured 7 years after the TX20 which is quite a sizable gap as far as technology is concerned. Both of the cameras have different body design with the Sony A7R IV being a SLR-style mirrorless camera and the Sony TX20 being a Ultracompact camera.

Before going straight to a more detailed comparison, here is a quick summation of how the A7R IV matches up vs the TX20 in regards to portability, imaging, features and an overall score.

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Reasons to pick Sony A7R IV over the Sony TX20

 A7R IV TX20 
ReleasedJuly 2019February 2012More modern by 90 months
Display typeTiltingFixed Tilting display
Display resolution1440k922kSharper display (+518k dot)

Reasons to pick Sony TX20 over the Sony A7R IV

 TX20 A7R IV 

Common features in the Sony A7R IV and Sony TX20

 A7R IV TX20 
Manually focus Very precise focusing
Display dimensions3"3"Equal display dimensions
Selfie screen Neither includes selfie screen
Touch friendly display Easily navigate

Sony A7R IV vs Sony TX20 Physical Comparison

In case you're planning to carry around your camera regularly, you are going to need to consider its weight and size. The Sony A7R IV features external dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") having a weight of 665 grams (1.47 lbs) while the Sony TX20 has specifications of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") accompanied by a weight of 133 grams (0.29 lbs).

Check the Sony A7R IV vs Sony TX20 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at that time. Underneath is a front view measurement comparison of the A7R IV compared to the TX20.

Sony A7R IV vs Sony TX20 size comparison

Using dimensions and weight, the portability grade of the A7R IV and TX20 is 62 and 96 respectively.

Sony A7R IV vs Sony TX20 top view buttons comparison

Sony A7R IV vs Sony TX20 Sensor Comparison

More often than not, it is very tough to picture the difference between sensor sizes merely by going over specs. The pic below should provide you a clearer sense of the sensor sizes in the A7R IV and TX20.

All in all, each of these cameras provide different megapixels and different sensor sizes. The A7R IV featuring a larger sensor is going to make shooting shallow depth of field easier and the Sony A7R IV will deliver extra detail due to its extra 45 Megapixels. Greater resolution will allow you to crop pics more aggressively. The newer A7R IV should have an edge with regard to sensor innovation.

Sony A7R IV vs Sony TX20 sensor size comparison

Sony A7R IV vs Sony TX20 Screen and ViewFinder

Sony A7R IV vs Sony TX20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7R IV Portrait photography factors
Sony TX20 Portrait photography factors
88
manual focus
amazing resolution (61 megapixels)
big sensor size (Full frame)
features face detection focus
delivers RAW formats
40
has manual focus
megapixel count good (16MP)
includes face detect autofocus
no manual control
no external flash support
sensor is tiny (1/2.3")
has no RAW support
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Street Comparison

Street photography with Sony A7R IV
Street photography with Sony TX20
79
screen tilts
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW formats
comes with focus via touch
environment proof
above average ISO range (32,000)
67
image stabilization (Optical)
features touch to focus
environment proof
screen does not articulate
sensor is tiny (1/2.3")
has no RAW support
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Sports Comparison

Sony A7R IV Sports photography features
Sony TX20 Sports photography features
90
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
amazing resolution (61MP)
big sensor size (Full frame)
features tracking autofocus
environment proof
better than average battery life (670 shots)
comes with phase detect auto focus
50
image stabilization (Optical)
megapixel count good (16MP)
includes tracking focus
environment proof
better than average battery pack (250 shots)
no shutter priority
sensor is tiny (1/2.3")
has no phase detect autofocus
Photography Glossary

Travel Comparison

Sony A7R IV as a Travel photography camera
Sony TX20 as a Travel photography camera
74
better than average battery life (670 shots)
environment proof
has bluetooth
comes with focus via touch
amazing resolution (61MP)
does not have a selfie friendly display
72
better than average battery pack (250 CIPA)
environment proof
features touch to focus
megapixel count good (16MP)
has built in flash
quite wide (25mm)
no Timelapse mode
display isn't selfie friendly
sluggish max aperture (f3.5)
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Landscape Comparison

Sony A7R IV Landscape photography details
Sony TX20 Landscape photography details
88
manual focus
interchangeable lenses (Sony E mount)
screen size is good (3 inches)
image stabilization (Sensor based 5-axis)
amazing resolution (61MP)
big sensor size (Full frame)
no low pass filter
above average ISO range (32,000)
delivers RAW formats
environment proof
better than average battery life (670 per charge)
two card slots
52
has manual focus
quite wide (25mm)
good sized screen (3")
image stabilization (Optical)
megapixel count good (16 megapixels)
environment proof
better than average battery pack (250 CIPA)
fixed lens (fixed lens mount)
sluggish max aperture (f3.5)
no manual control
sensor is tiny (1/2.3")
has no RAW support
no Timelapse mode
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Vlogging Comparison

Vlogging with Sony A7R IV
Vlogging with Sony TX20
37
touchscreen enabled
image stabilization (Sensor based 5-axis)
features face detection focus
high quality video (3840 x 2160 resolution)
does have external microphone socket
does not have a selfie friendly display
35
quite wide (25mm)
touchscreen capability
image stabilization (Optical)
includes face detect autofocus
high quality video (1920 x 1080 pixels)
sluggish max aperture (f3.5)
display isn't selfie friendly
no microphone socket
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Sony A7R IV vs Sony TX20 Specifications

Detailed spec comparison table for Sony A7R IV and Sony TX20
 Sony Alpha A7R IVSony Cyber-shot DSC-TX20
General Information
Brand Sony Sony
Model Sony Alpha A7R IV Sony Cyber-shot DSC-TX20
Category Pro Mirrorless Ultracompact
Announced 2019-07-16 2012-02-28
Physical type SLR-style mirrorless Ultracompact
Sensor Information
Processor Bionz X BIONZ
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1/2.3"
Sensor measurements 35.8 x 23.8mm 6.17 x 4.55mm
Sensor surface area 852.0mm² 28.1mm²
Sensor resolution 61 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3 and 16:9
Peak resolution 9504 x 6336 4608 x 3456
Highest native ISO 32000 3200
Highest enhanced ISO 102800 -
Min native ISO 100 125
RAW images
Min enhanced ISO 50 -
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 567 -
Cross focus points - -
Lens
Lens mount Sony E fixed lens
Lens focal range - 25-100mm (4.0x)
Maximum aperture - f/3.5-4.6
Macro focus range - 1cm
Available lenses 121 -
Focal length multiplier 1 5.8
Screen
Display type Tilting Fixed Type
Display diagonal 3" 3"
Display resolution 1,440 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch screen
Display tech - XtraFine TruBlack TFT LCD
Viewfinder Information
Viewfinder Electronic None
Viewfinder resolution 5,760 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.78x -
Features
Min shutter speed 30 secs 4 secs
Max shutter speed 1/8000 secs 1/1600 secs
Continuous shutter rate 10.0fps 10.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 3.70 m
Flash options Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. Auto, On, Off, Slow Sync
External flash
AE bracketing
White balance bracketing
Max flash synchronize 1/250 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
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
Microphone port
Headphone port
Connectivity
Wireless Built-In Eye-Fi Connected
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) 133 gr (0.29 lbs)
Physical dimensions 129 x 96 x 78mm (5.1" x 3.8" x 3.1") 96 x 56 x 18mm (3.8" x 2.2" x 0.7")
DXO scores
DXO Overall 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 photographs 250 photographs
Battery type Battery Pack Battery Pack
Battery model NP-FZ100 NP-BN
Self timer Yes Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Type of storage Dual SD/SDHC/SDXC (UHS-II compatible) SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots Dual 1
Retail pricing $3,498 $330