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Samsung GX-20 vs Samsung ST100

Portability
58
Imaging
54
Features
52
Overall
53
Samsung GX-20 front
 
Samsung ST100 front
Portability
95
Imaging
37
Features
34
Overall
35

Samsung GX-20 vs Samsung ST100 Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Released January 2008
  • Earlier Model is Samsung GX-10
Samsung ST100
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-175mm (F3.6-4.8) lens
  • 155g - 100 x 60 x 20mm
  • Released January 2010
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Samsung GX-20 vs Samsung ST100 Overview

Its time to take a deeper look at the Samsung GX-20 versus Samsung ST100, former being a Advanced DSLR while the latter is a Ultracompact and both of them are manufactured by Samsung. The resolution of the GX-20 (15MP) and the ST100 (14MP) is relatively similar but the GX-20 (APS-C) and ST100 (1/2.3") possess different sensor measurements.

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The GX-20 was unveiled 23 months earlier than the ST100 which makes the cameras a generation apart from one another. Both the cameras come with different body type with the Samsung GX-20 being a Mid-size SLR camera and the Samsung ST100 being a Ultracompact camera.

Before delving in to a step-by-step comparison, below is a concise overview of how the GX-20 scores against the ST100 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Samsung ST100

 GX-20 ST100 
Focus manually Very precise focus

Reasons to pick Samsung ST100 over the Samsung GX-20

 ST100 GX-20 
ReleasedJanuary 2010January 2008Fresher by 23 months
Screen dimension3.5"2.7"Bigger screen (+0.8")
Screen resolution1152k230kCrisper screen (+922k dot)
Touch screen Quickly navigate

Common features in the Samsung GX-20 and Samsung ST100

 GX-20 ST100 
Screen typeFixed Fixed Fixed screen
Selfie screen No selfie screen

Samsung GX-20 vs Samsung ST100 Physical Comparison

In case you're looking to carry your camera frequently, you will have to think about its weight and measurements. The Samsung GX-20 comes with exterior measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) and the Samsung ST100 has proportions of 100mm x 60mm x 20mm (3.9" x 2.4" x 0.8") with a weight of 155 grams (0.34 lbs).

Check the Samsung GX-20 versus Samsung ST100 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will vary depending on the lens you are using at that time. Underneath is the front view overall size comparison of the GX-20 compared to the ST100.

Samsung GX-20 vs Samsung ST100 size comparison

Looking at dimensions and weight, the portability rating of the GX-20 and ST100 is 58 and 95 respectively.

Samsung GX-20 vs Samsung ST100 top view buttons comparison

Samsung GX-20 vs Samsung ST100 Sensor Comparison

Sometimes, it's difficult to visualize the gap between sensor sizing simply by reviewing technical specs. The visual underneath will help offer you a far better sense of the sensor measurements in the GX-20 and ST100.

As you can tell, both cameras posses different megapixel count and different sensor sizing. The GX-20 using its bigger sensor is going to make achieving shallow DOF less difficult and the Samsung GX-20 will deliver greater detail having an extra 1 Megapixels. Higher resolution can also let you crop photographs somewhat more aggressively. The older GX-20 is going to be disadvantaged in sensor tech.

Samsung GX-20 vs Samsung ST100 sensor size comparison

Samsung GX-20 vs Samsung ST100 Screen and ViewFinder

Samsung GX-20 vs Samsung ST100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography details
Samsung ST100 Portrait photography details
72
focusing manually
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
saves RAW files
33
decent sensor resolution (14MP)
supports face detection autofocus
lack of manual focus
no manual control
no external flash support
sensor size is tiny (1/2.3")
does not have RAW files
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Street Comparison

Street photography with Samsung GX-20
Street photography with Samsung ST100
65
image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW files
weather sealing
no articulating screen
60
has image stabilization (Optical)
has touch to focus
no articulating screen
sensor size is tiny (1/2.3")
does not have RAW files
heavier than competition in class (155g)
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Sports Comparison

Samsung GX-20 Sports photography info
Samsung ST100 Sports photography info
68
image stabilization (Sensor based)
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
weather sealing
sensor has phase detect AF
very slow continuous shooting (3.0 frames per second)
35
has image stabilization (Optical)
decent sensor resolution (14MP)
maximum shutter speed is a little low (1/1,000 seconds)
no shutter priority
sensor size is tiny (1/2.3")
does not have phase detect autofocus
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Travel Comparison

Travel photography with Samsung GX-20
Travel photography with Samsung ST100
64
weather sealing
sensor resolution is decent (15 megapixels)
has built in flash
screen isn't selfie friendly
60
has touch to focus
decent sensor resolution (14MP)
flash built-in
missing Time Lapse function
heavier than competition in class (155g)
screen is not selfie friendly
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.6)
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Landscape Comparison

Landscape photography with Samsung GX-20
Landscape photography with Samsung ST100
71
focusing manually
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
saves RAW files
weather sealing
tiny screen (2.7 inches)
37
screen larger than average (3.5 inches)
has image stabilization (Optical)
decent sensor resolution (14MP)
lack of manual focus
lens is fixed (fixed lens mount)
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.6)
no manual control
sensor size is tiny (1/2.3")
does not have RAW files
missing Time Lapse function
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Vlogging Comparison

Samsung GX-20 as a Vlogging camera
Samsung ST100 as a Vlogging camera
9
lack of video recording
29
touchscreen enabled
has image stabilization (Optical)
supports face detection autofocus
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.6)
screen is not selfie friendly
video quality not great (1280 x 720 resolution)
missing external mic port
heavier than competition in class (155g)
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Samsung GX-20 vs Samsung ST100 Specifications

Detailed spec comparison table for Samsung GX-20 and Samsung ST100
 Samsung GX-20Samsung ST100
General Information
Brand Name Samsung Samsung
Model type Samsung GX-20 Samsung ST100
Class Advanced DSLR Ultracompact
Released 2008-01-24 2010-01-06
Body design Mid-size SLR Ultracompact
Sensor Information
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.4 x 15.6mm 6.17 x 4.55mm
Sensor area 365.0mm² 28.1mm²
Sensor resolution 15 megapixels 14 megapixels
Anti alias filter
Aspect ratio - 4:3, 3:2 and 16:9
Highest Possible resolution 4688 x 3120 4320 x 3240
Maximum native ISO 3200 3200
Maximum enhanced ISO 6400 -
Minimum native ISO 100 80
RAW format
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 35-175mm (5.0x)
Maximal aperture - f/3.6-4.8
Macro focusing range - 5cm
Amount of lenses 151 -
Crop factor 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7 inches 3.5 inches
Resolution of screen 230 thousand dot 1,152 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30 seconds 8 seconds
Fastest shutter speed 1/4000 seconds 1/1000 seconds
Continuous shutter speed 3.0 frames/s -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) 3.10 m
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-Eye, Fill-in, Slow Sync
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution None 1280x720
Video data format - Motion JPEG
Mic jack
Headphone jack
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 gr (1.76 pounds) 155 gr (0.34 pounds)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 100 x 60 x 20mm (3.9" x 2.4" x 0.8")
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
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Double)
Time lapse recording
Type of storage SD/MMC/SDHC card MicroSD/ MicroSDHC, Internal
Storage slots Single Single
Price at release $850 $250