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Samsung GX-20 vs Sony TX20

Portability
58
Imaging
54
Features
52
Overall
53
Samsung GX-20 front
 
Sony Cyber-shot DSC-TX20 front
Portability
96
Imaging
39
Features
50
Overall
43

Samsung GX-20 vs Sony TX20 Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Revealed January 2008
  • Older Model is Samsung GX-10
Sony TX20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • 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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Samsung GX-20 vs Sony TX20 Overview

Following is a extended assessment of the Samsung GX-20 versus Sony TX20, one is a Advanced DSLR and the latter is a Ultracompact by competitors Samsung and Sony. The sensor resolution of the GX-20 (15MP) and the TX20 (16MP) is relatively close but the GX-20 (APS-C) and TX20 (1/2.3") use totally different sensor size.

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The GX-20 was brought out 5 years before the TX20 which is a fairly big gap as far as camera tech is concerned. Both the cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony TX20 being a Ultracompact camera.

Before going through a in depth comparison, below is a concise summary of how the GX-20 grades against the TX20 in relation to portability, imaging, features and an overall score.

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Reasons to pick Samsung GX-20 over the Sony TX20

 GX-20 TX20 

Reasons to pick Sony TX20 over the Samsung GX-20

 TX20 GX-20 
ReleasedFebruary 2012January 2008More modern by 49 months
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution922k230kCrisper screen (+692k dot)
Touch screen Quickly navigate

Common features in the Samsung GX-20 and Sony TX20

 GX-20 TX20 
Focus manually Dial precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen

Samsung GX-20 vs Sony TX20 Physical Comparison

If you're looking to carry around your camera often, you will want to factor its weight and measurements. The Samsung GX-20 features physical dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs) whilst the Sony TX20 has proportions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") accompanied by a weight of 133 grams (0.29 lbs).

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Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at that time. The following is the front view physical size comparison of the GX-20 and the TX20.

Samsung GX-20 vs Sony TX20 size comparison

Taking into consideration size and weight, the portability rating of the GX-20 and TX20 is 58 and 96 respectively.

Samsung GX-20 vs Sony TX20 top view buttons comparison

Samsung GX-20 vs Sony TX20 Sensor Comparison

Usually, it is difficult to envision the gap in sensor sizes merely by looking through technical specs. The pic here will provide you a stronger sense of the sensor sizes in the GX-20 and TX20.

As you have seen, the 2 cameras offer different megapixels and different sensor sizes. The GX-20 because of its bigger sensor will make getting shallower depth of field less difficult and the Sony TX20 will render greater detail having its extra 1 Megapixels. Higher resolution will make it easier to crop pictures a little more aggressively. The more aged GX-20 will be disadvantaged when it comes to sensor tech.

Samsung GX-20 vs Sony TX20 sensor size comparison

Samsung GX-20 vs Sony TX20 Screen and ViewFinder

Samsung GX-20 vs Sony TX20 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Samsung GX-20
Portrait photography with Sony TX20
72
you can focus manually
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
exports RAW files
40
you can focus manually
MP count good (16 megapixels)
supports face detection focus
lack of manual exposure
external flash not possible
tiny sensor (1/2.3")
no RAW format
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Street Comparison

Samsung GX-20 as a Street photography camera
Sony TX20 as a Street photography camera
65
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment sealing
no articulating screen
67
built in image stabilization (Optical)
features touch focus
environment sealing
screen is fixed
tiny sensor (1/2.3")
no RAW format
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Sports Comparison

Samsung GX-20 as a Sports photography camera
Sony TX20 as a Sports photography camera
68
has image stabilization (Sensor based)
sensor resolution is decent (15MP)
good sensor size (APS-C)
environment sealing
sensor has phase detect autofocus
painfully slow continuous shooting (3.0 frames per second)
50
built in image stabilization (Optical)
MP count good (16 megapixels)
supports tracking autofocus
environment sealing
better than average battery pack (250 CIPA)
no shutter priority mode
tiny sensor (1/2.3")
no phase detect auto focus
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Travel Comparison

Samsung GX-20 Travel photography information
Sony TX20 Travel photography information
64
environment sealing
sensor resolution is decent (15MP)
flash built-in
screen isn't selfie friendly
72
better than average battery pack (250 per charge)
environment sealing
features touch focus
MP count good (16MP)
flash built-in
relatively wide (25mm)
does not have Timelapse function
display is not selfie friendly
slow max aperture (f3.5)
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Landscape Comparison

Samsung GX-20 Landscape photography info
Sony TX20 Landscape photography info
71
you can focus manually
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor resolution is decent (15MP)
good sensor size (APS-C)
exports RAW files
environment sealing
small screen (2.7")
52
you can focus manually
relatively wide (25mm)
good sized screen (3 inch)
built in image stabilization (Optical)
MP count good (16 megapixels)
environment sealing
better than average battery pack (250 CIPA)
fixed lens (fixed lens mount)
slow max aperture (f3.5)
lack of manual exposure
tiny sensor (1/2.3")
no RAW format
does not have Timelapse function
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Vlogging Comparison

Samsung GX-20 Vlogging factors
Sony TX20 Vlogging factors
9
can't shoot video
35
relatively wide (25mm)
touchscreen
built in image stabilization (Optical)
supports face detection focus
great video quality (1920 x 1080 pixels)
slow max aperture (f3.5)
display is not selfie friendly
does not have external microphone socket
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Samsung GX-20 vs Sony TX20 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony TX20
 Samsung GX-20Sony Cyber-shot DSC-TX20
General Information
Company Samsung Sony
Model type Samsung GX-20 Sony Cyber-shot DSC-TX20
Type Advanced DSLR Ultracompact
Revealed 2008-01-24 2012-02-28
Physical type Mid-size SLR Ultracompact
Sensor Information
Powered by - BIONZ
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor measurements 23.4 x 15.6mm 6.17 x 4.55mm
Sensor area 365.0mm² 28.1mm²
Sensor resolution 15 megapixel 16 megapixel
Anti alias filter
Aspect ratio - 4:3 and 16:9
Max resolution 4688 x 3120 4608 x 3456
Max native ISO 3200 3200
Max enhanced ISO 6400 -
Minimum native ISO 100 125
RAW photos
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 -
Cross type focus points - -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 25-100mm (4.0x)
Maximum aperture - f/3.5-4.6
Macro focusing distance - 1cm
Number of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7 inch 3 inch
Display resolution 230k dots 922k dots
Selfie friendly
Liveview
Touch friendly
Display tech - XtraFine TruBlack TFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Min shutter speed 30s 4s
Max shutter speed 1/4000s 1/1600s
Continuous shutter rate 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) 3.70 m
Flash options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution None 1920x1080
Video file format - MPEG-4, AVCHD
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 lbs) 133 grams (0.29 lbs)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 96 x 56 x 18mm (3.8" x 2.2" x 0.7")
DXO scores
DXO Overall rating 68 not tested
DXO Color Depth rating 23.1 not tested
DXO Dynamic range rating 11.2 not tested
DXO Low light rating 714 not tested
Other
Battery life - 250 shots
Battery type - Battery Pack
Battery ID - NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Storage type SD/MMC/SDHC card SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots 1 1
Retail cost $850 $330