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Samsung GX-20 vs Sigma DP2x

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Samsung GX-20 vs Sigma DP2x Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Increase to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Introduced January 2008
  • Superseded the Samsung GX-10
Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released February 2011
  • Earlier Model is Sigma DP2s
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Samsung GX-20 vs Sigma DP2x Overview

Below is a thorough assessment of the Samsung GX-20 vs Sigma DP2x, former being a Advanced DSLR while the latter is a Large Sensor Compact by companies Samsung and Sigma. There is a sizable difference among the resolutions of the GX-20 (15MP) and DP2x (5MP) but they come with the same exact sensor dimensions (APS-C).

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The GX-20 was brought out 4 years before the DP2x and that is a fairly significant difference 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 Sigma DP2x being a Large Sensor Compact camera.

Before delving straight into a full comparison, below is a short summation of how the GX-20 scores vs the DP2x in terms of portability, imaging, features and an overall grade.

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Reasons to pick Samsung GX-20 over the Sigma DP2x

 GX-20 DP2x 
Screen sizing2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sigma DP2x over the Samsung GX-20

 DP2x GX-20 
ReleasedFebruary 2011January 2008More recent by 37 months

Common features in the Samsung GX-20 and Sigma DP2x

 GX-20 DP2x 
Manually focus More accurate focusing
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kThe same screen resolution
Selfie screen Lack of selfie screen
Touch screen Neither has Touch screen

Samsung GX-20 vs Sigma DP2x Physical Comparison

When you are looking to lug around your camera frequently, you'll have to factor its weight and proportions. The Samsung GX-20 has outside 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) whilst the Sigma DP2x has measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs).

Take a look at the Samsung GX-20 vs Sigma DP2x in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change dependant on the lens you choose during that time. The following is the front view over all size comparison of the GX-20 vs the DP2x.

Samsung GX-20 vs Sigma DP2x size comparison

Using size and weight, the portability score of the GX-20 and DP2x is 58 and 86 respectively.

Samsung GX-20 vs Sigma DP2x top view buttons comparison

Samsung GX-20 vs Sigma DP2x Sensor Comparison

Usually, it is very difficult to see the contrast in sensor measurements only by seeing technical specs. The visual below may offer you a clearer sense of the sensor sizing in the GX-20 and DP2x.

As you have seen, both of the cameras offer the same exact sensor sizing albeit not the same MP. You can count on the Samsung GX-20 to produce extra detail having its extra 10MP. Higher resolution will also allow you to crop shots a little more aggressively. The older GX-20 will be disadvantaged when it comes to sensor innovation.

Samsung GX-20 vs Sigma DP2x sensor size comparison

Samsung GX-20 vs Sigma DP2x Screen and ViewFinder

Samsung GX-20 vs Sigma DP2x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography features
Sigma DP2x Portrait photography features
71
manual focus
decent sensor resolution (15 megapixels)
sensor size is good (APS-C)
saves RAW files
57
has manual focus
sensor size is good (APS-C)
supports RAW formats
megapixel count low (5 megapixels)
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Street Comparison

Samsung GX-20 Street photography features
Sigma DP2x Street photography features
65
image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW files
weather proofing
screen is fixed
68
sensor size is good (APS-C)
supports RAW formats
lighter than competition in class (280g)
fixed screen
no image stabilization
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Sports Comparison

Samsung GX-20 Sports photography advice
Sigma DP2x Sports photography advice
68
image stabilization (Sensor based)
decent sensor resolution (15MP)
sensor size is good (APS-C)
weather proofing
sensor has phase detect auto focus
max frames per second very slow (3.0 frames per second)
30
sensor size is good (APS-C)
focal length is fixed (41mm)
max fps low (3.0 frames per second)
no image stabilization
megapixel count low (5 megapixels)
lack of phase detect autofocus
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Travel Comparison

Samsung GX-20 Travel photography advice
Sigma DP2x Travel photography advice
63
weather proofing
decent sensor resolution (15 megapixels)
flash built-in
screen isn't selfie friendly
67
lighter than competition in class (280 grams)
built-in flash
very good maximum aperture (f)
megapixel count low (5MP)
does not feature selfie friendly display
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Landscape Comparison

Samsung GX-20 Landscape photography information
Sigma DP2x Landscape photography information
70
manual focus
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
sensor size is good (APS-C)
saves RAW files
weather proofing
small screen (2.7")
48
has manual focus
very good maximum aperture (f)
sensor size is good (APS-C)
supports RAW formats
fixed lens (fixed lens mount)
focal length is fixed (41mm)
small screen (2.5 inches)
no image stabilization
megapixel count low (5 megapixels)
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Vlogging Comparison

Samsung GX-20 Vlogging advice
Sigma DP2x Vlogging advice
9
no video shooting
28
very good maximum aperture (f)
lighter than competition in class (280g)
does not feature selfie friendly display
no image stabilization
video quality not great (320 x 240 resolution)
doesn't have microphone port
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Samsung GX-20 vs Sigma DP2x Specifications

Detailed spec comparison table for Samsung GX-20 and Sigma DP2x
 Samsung GX-20Sigma DP2x
General Information
Company Samsung Sigma
Model type Samsung GX-20 Sigma DP2x
Class Advanced DSLR Large Sensor Compact
Introduced 2008-01-24 2011-02-08
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Processor - True II
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.4 x 15.6mm 20.7 x 13.8mm
Sensor surface area 365.0mm² 285.7mm²
Sensor resolution 15 megapixel 5 megapixel
Anti alias filter
Aspect ratio - 3:2 and 16:9
Max resolution 4688 x 3120 2640 x 1760
Max native ISO 3200 3200
Max enhanced ISO 6400 -
Minimum native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 11 -
Cross type focus points - -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 41mm (1x)
Available lenses 151 -
Crop factor 1.5 1.7
Screen
Display type Fixed Type Fixed Type
Display size 2.7" 2.5"
Resolution of display 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Min shutter speed 30s 15s
Max shutter speed 1/4000s 1/2000s
Continuous shutter speed 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) 4.30 m
Flash options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AE bracketing
WB bracketing
Max flash sync 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 320 x 240
Max video resolution None 320x240
Video data format - Motion JPEG
Microphone 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 800g (1.76 lb) 280g (0.62 lb)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
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)
Time lapse shooting
Type of storage SD/MMC/SDHC card SD/SDHC/MMC
Storage slots Single Single
Retail pricing $850 $699