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Samsung GX-20 vs Sony TX7

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Cyber-shot DSC-TX7 front
Portability
95
Imaging
33
Features
34
Overall
33

Samsung GX-20 vs Sony TX7 Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Revealed January 2008
  • Succeeded the Samsung GX-10
Sony TX7
(Full Review)
  • 10MP - 1/2.4" Sensor
  • 3.5" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 149g - 98 x 60 x 18mm
  • Revealed January 2010
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Samsung GX-20 vs Sony TX7 Overview

Following is a in-depth analysis of the Samsung GX-20 versus Sony TX7, one is a Advanced DSLR and the other is a Ultracompact by manufacturers Samsung and Sony. There exists a significant gap between the sensor resolutions of the GX-20 (15MP) and TX7 (10MP) and the GX-20 (APS-C) and TX7 (1/2.4") offer totally different sensor sizes.

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The GX-20 was announced 23 months prior to the TX7 making them a generation away from one another. Both of these cameras have different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sony TX7 being a Ultracompact camera.

Before we go into a in depth comparison, here is a concise summation of how the GX-20 matches up vs the TX7 with regard to portability, imaging, features and an overall score.

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Reasons to pick Samsung GX-20 over the Sony TX7

 GX-20 TX7 
Manual focus Very precise focus

Reasons to pick Sony TX7 over the Samsung GX-20

 TX7 GX-20 
RevealedJanuary 2010January 2008More modern by 23 months
Display dimensions3.5"2.7"Larger display (+0.8")
Display resolution921k230kCrisper display (+691k dot)
Touch display Easily navigate

Common features in the Samsung GX-20 and Sony TX7

 GX-20 TX7 
Display typeFixed Fixed Fixed display
Selfie screen Neither provides selfie screen

Samsung GX-20 vs Sony TX7 Physical Comparison

If you are aiming to carry around your camera, you'll need to take into account its weight and measurements. The Samsung GX-20 provides exterior dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) and the Sony TX7 has proportions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") along with a weight of 149 grams (0.33 lbs).

Contrast the Samsung GX-20 versus Sony TX7 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are utilizing at that moment. Below is a front view measurement comparison of the GX-20 against the TX7.

Samsung GX-20 vs Sony TX7 size comparison

Taking into account dimensions and weight, the portability score of the GX-20 and TX7 is 58 and 95 respectively.

Samsung GX-20 vs Sony TX7 top view buttons comparison

Samsung GX-20 vs Sony TX7 Sensor Comparison

Sometimes, it can be difficult to envision the difference between sensor sizes just by reading through specifications. The image here might provide you a far better sense of the sensor dimensions in the GX-20 and TX7.

Plainly, both of the cameras provide different megapixels and different sensor sizes. The GX-20 with its larger sensor will make shooting shallower DOF easier and the Samsung GX-20 will give you extra detail with its extra 5 Megapixels. Greater resolution can also enable you to crop photos more aggressively. The more aged GX-20 is going to be disadvantaged in sensor innovation.

Samsung GX-20 vs Sony TX7 sensor size comparison

Samsung GX-20 vs Sony TX7 Screen and ViewFinder

Samsung GX-20 vs Sony TX7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography features
Sony TX7 Portrait photography features
71
you can focus manually
MP count good (15MP)
good sensor size (APS-C)
supports RAW files
19
no manual focus
lack of manual exposure
can't use external flash
low resolution (10MP)
sensor is small (1/2.4")
lack of RAW support
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Street Comparison

Samsung GX-20 Street photography info
Sony TX7 Street photography info
65
built in image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW files
environment proofing
no moving screen
59
has image stabilization (Optical)
comes with focus via touch
fixed screen
sensor is small (1/2.4")
lack of RAW support
heavier than others (149g)
Photography Glossary

Sports Comparison

Samsung GX-20 as a Sports photography camera
Sony TX7 as a Sports photography camera
68
built in image stabilization (Sensor based)
MP count good (15 megapixels)
good sensor size (APS-C)
environment proofing
comes with phase detect autofocus
max fps low (3.0 fps)
26
has image stabilization (Optical)
no shutter priority mode
low resolution (10 megapixels)
sensor is small (1/2.4")
lack of phase detect autofocus
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Travel Comparison

Samsung GX-20 Travel photography information
Sony TX7 Travel photography information
63
environment proofing
MP count good (15MP)
has built in flash
does not contain selfie friendly display
59
comes with focus via touch
built-in flash
quite wide (25mm)
missing Time Lapse function
heavier than others (149g)
low resolution (10 megapixels)
doesn't posses selfie friendly display
sluggish maximum aperture (f3.5)
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Landscape Comparison

Samsung GX-20 Landscape photography factors
Sony TX7 Landscape photography factors
70
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
MP count good (15 megapixels)
good sensor size (APS-C)
supports RAW files
environment proofing
screen is small (2.7 inches)
36
quite wide (25mm)
lovely big screen (3.5 inches)
has image stabilization (Optical)
no manual focus
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
lack of manual exposure
low resolution (10MP)
sensor is small (1/2.4")
lack of RAW support
missing Time Lapse function
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Vlogging Comparison

Samsung GX-20 Vlogging advice
Sony TX7 Vlogging advice
9
no video
32
quite wide (25mm)
built-in touchscreen
has image stabilization (Optical)
video res high (1920 x 1080 pxls)
sluggish maximum aperture (f3.5)
doesn't posses selfie friendly display
missing external mic support
heavier than others (149g)
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Samsung GX-20 vs Sony TX7 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony TX7
 Samsung GX-20Sony Cyber-shot DSC-TX7
General Information
Company Samsung Sony
Model Samsung GX-20 Sony Cyber-shot DSC-TX7
Type Advanced DSLR Ultracompact
Revealed 2008-01-24 2010-01-07
Physical type Mid-size SLR Ultracompact
Sensor Information
Powered by - Bionz
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.4"
Sensor dimensions 23.4 x 15.6mm 6.104 x 4.578mm
Sensor surface area 365.0mm² 27.9mm²
Sensor resolution 15MP 10MP
Anti aliasing filter
Aspect ratio - 4:3 and 16:9
Full resolution 4688 x 3120 3456 x 2592
Max native ISO 3200 3200
Max boosted ISO 6400 -
Lowest native ISO 100 125
RAW format
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 9
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 25-100mm (4.0x)
Max aperture - f/3.5-4.6
Macro focus distance - 1cm
Number of lenses 151 -
Crop factor 1.5 5.9
Screen
Type of display Fixed Type Fixed Type
Display size 2.7 inch 3.5 inch
Display resolution 230k dots 921k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Lowest shutter speed 30s 2s
Highest shutter speed 1/4000s 1/1600s
Continuous shooting rate 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) 3.80 m
Flash settings Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Slow syncro
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/180s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (60, 30fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution None 1920x1080
Video format - AVCHD
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800g (1.76 lbs) 149g (0.33 lbs)
Physical dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 98 x 60 x 18mm (3.9" x 2.4" x 0.7")
DXO scores
DXO All around score 68 not tested
DXO Color Depth score 23.1 not tested
DXO Dynamic range score 11.2 not tested
DXO Low light score 714 not tested
Other
Battery model - NP-BN1
Self timer Yes (2 or 10 sec) Yes (2 sec or 10 sec, portrait1/ portrait2)
Time lapse recording
Storage type SD/MMC/SDHC card Memory Stick Duo / Pro Duo/ PRO HG-Duo, optional SD, Internal
Card slots One One
Cost at launch $850 $300