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Samsung GX-20 vs Sigma DP2

Portability
58
Imaging
54
Features
52
Overall
53
Samsung GX-20 front
 
Sigma DP2 front
Portability
86
Imaging
44
Features
28
Overall
37

Samsung GX-20 vs Sigma DP2 Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Released January 2008
  • Superseded the Samsung GX-10
Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released September 2009
  • Replacement is Sigma DP2s
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Samsung GX-20 vs Sigma DP2 Overview

The following is a in depth overview of the Samsung GX-20 versus Sigma DP2, one is a Advanced DSLR and the other is a Large Sensor Compact by companies Samsung and Sigma. There is a sizeable difference among the image resolutions of the GX-20 (15MP) and DP2 (5MP) but both cameras offer the same sensor sizing (APS-C).

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The GX-20 was launched 20 months earlier than the DP2 making them a generation away from each other. The two cameras have different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sigma DP2 being a Large Sensor Compact camera.

Before delving into a more detailed comparison, here is a short introduction of how the GX-20 matches up against the DP2 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Samsung GX-20 over the Sigma DP2

 GX-20 DP2 
Display dimensions2.7"2.5"Larger display (+0.2")

Reasons to pick Sigma DP2 over the Samsung GX-20

 DP2 GX-20 
ReleasedSeptember 2009January 2008Newer by 20 months

Common features in the Samsung GX-20 and Sigma DP2

 GX-20 DP2 
Manual focus Dial exact focusing
Display typeFixed Fixed Fixed display
Display resolution230k230kSame display resolution
Selfie screen Lacking selfie screen
Touch display Lacking Touch display

Samsung GX-20 vs Sigma DP2 Physical Comparison

If you are aiming to travel with your camera regularly, you will have to think about its weight and measurements. The Samsung GX-20 features outer measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs) while the Sigma DP2 has proportions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs).

See the Samsung GX-20 versus Sigma DP2 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have during that time. Following is a front view dimensions comparison of the GX-20 against the DP2.

Samsung GX-20 vs Sigma DP2 size comparison

Using size and weight, the portability rating of the GX-20 and DP2 is 58 and 86 respectively.

Samsung GX-20 vs Sigma DP2 top view buttons comparison

Samsung GX-20 vs Sigma DP2 Sensor Comparison

Often, it is difficult to visualise the gap in sensor dimensions purely by looking through specifications. The pic underneath might provide you a greater sense of the sensor sizing in the GX-20 and DP2.

Plainly, both of these cameras have the same sensor dimensions but not the same resolution. You should expect to see the Samsung GX-20 to provide you with more detail utilizing its extra 10MP. Greater resolution can also let you crop pics a bit more aggressively. The more aged GX-20 will be behind when it comes to sensor tech.

Samsung GX-20 vs Sigma DP2 sensor size comparison

Samsung GX-20 vs Sigma DP2 Screen and ViewFinder

Samsung GX-20 vs Sigma DP2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography information
Sigma DP2 Portrait photography information
72
has manual focus
megapixel count good (15MP)
sensor size is decent (APS-C)
delivers RAW files
56
has manual focus
sensor size is nice (APS-C)
saves RAW files
megapixel count low (5MP)
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Street Comparison

Samsung GX-20 as a Street photography camera
Sigma DP2 as a Street photography camera
65
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
weather sealing
screen does not articulate
67
sensor size is nice (APS-C)
saves RAW files
lighter than average (280g)
no moving screen
no image stabilization
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Sports Comparison

Sports photography with Samsung GX-20
Sports photography with Sigma DP2
68
has image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is decent (APS-C)
weather sealing
supports phase detect autofocus
slow continuous shooting (3.0 frames/s)
30
sensor size is nice (APS-C)
focal length is fixed (41mm)
continuous shooting slow (3.0 fps)
no image stabilization
megapixel count low (5 megapixels)
has no phase detect autofocus
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Travel Comparison

Samsung GX-20 Travel photography details
Sigma DP2 Travel photography details
64
weather sealing
megapixel count good (15MP)
flash built-in
display isn't selfie friendly
67
lighter than average (280g)
has built in flash
very good max aperture (f)
megapixel count low (5 megapixels)
doesn't contain selfie friendly screen
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Landscape Comparison

Samsung GX-20 Landscape photography advice
Sigma DP2 Landscape photography advice
71
has manual focus
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is decent (APS-C)
delivers RAW files
weather sealing
screen is small (2.7")
48
has manual focus
very good max aperture (f)
sensor size is nice (APS-C)
saves RAW files
cannot swap lenses (fixed lens mount)
focal length is fixed (41mm)
screen is somewhat small (2.5")
no image stabilization
megapixel count low (5MP)
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Vlogging Comparison

Samsung GX-20 as a Vlogging camera
Sigma DP2 as a Vlogging camera
9
no video recording
28
very good max aperture (f)
lighter than average (280 grams)
doesn't contain selfie friendly screen
no image stabilization
low quality video (320 x 240 pixels)
lack of mic port
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Samsung GX-20 vs Sigma DP2 Specifications

Detailed spec comparison table for Samsung GX-20 and Sigma DP2
 Samsung GX-20Sigma DP2
General Information
Manufacturer Samsung Sigma
Model Samsung GX-20 Sigma DP2
Class Advanced DSLR Large Sensor Compact
Released 2008-01-24 2009-09-21
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor dimensions 23.4 x 15.6mm 20.7 x 13.8mm
Sensor area 365.0mm² 285.7mm²
Sensor resolution 15 megapixels 5 megapixels
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Full resolution 4688 x 3120 2640 x 1760
Max native ISO 3200 3200
Max boosted ISO 6400 -
Minimum native ISO 100 200
RAW support
Autofocusing
Manual focus
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 41mm (1x)
Total lenses 151 -
Crop factor 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.7 inches 2.5 inches
Screen resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30s 15s
Maximum shutter speed 1/4000s 1/2000s
Continuous shooting speed 3.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) 4.30 m
Flash settings Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AEB
White balance bracketing
Maximum flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 320 x 240 (30 fps)
Max video resolution None 320x240
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 lb) 280 grams (0.62 lb)
Physical 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 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
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 card
Storage slots Single Single
Launch pricing $850 $649