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Samsung GX-20 vs Sigma DP1

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sigma DP1 front
Portability
87
Imaging
43
Features
30
Overall
37

Samsung GX-20 vs Sigma DP1 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
  • Introduced January 2008
  • Previous Model is Samsung GX-10
Sigma DP1
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 800
  • No Video
  • 28mm (F) lens
  • 270g - 113 x 60 x 50mm
  • Revealed May 2008
  • Refreshed by Sigma DP1s
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Samsung GX-20 vs Sigma DP1 Overview

In this article, we are looking at the Samsung GX-20 and Sigma DP1, one being a Advanced DSLR and the other is a Large Sensor Compact by manufacturers Samsung and Sigma. There exists a big gap among the sensor resolutions of the GX-20 (15MP) and DP1 (5MP) but they enjoy the same exact sensor size (APS-C).

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The GX-20 was introduced 3 months before the DP1 so they are both of a similar generation. Both of these cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sigma DP1 being a Large Sensor Compact camera.

Before delving through a step-by-step comparison, below is a concise view of how the GX-20 matches up against the DP1 in regards to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Samsung GX-20 over the Sigma DP1

 GX-20 DP1 
Display sizing2.7"2.5"Larger display (+0.2")

Reasons to pick Sigma DP1 over the Samsung GX-20

 DP1 GX-20 

Common features in the Samsung GX-20 and Sigma DP1

 GX-20 DP1 
RevealedJanuary 2008May 2008Same generation
Focus manually Very exact focus
Display typeFixed Fixed Fixed display
Display resolution230k230kExact same display resolution
Selfie screen Lack of selfie screen
Touch display Lack of Touch display

Samsung GX-20 vs Sigma DP1 Physical Comparison

For anyone who is planning to carry your camera often, you will want to factor its weight and size. The Samsung GX-20 provides exterior dimensions 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 DP1 has specifications of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 270 grams (0.60 lbs).

Analyze the Samsung GX-20 and Sigma DP1 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that time. Underneath is the front view proportions comparison of the GX-20 and the DP1.

Samsung GX-20 vs Sigma DP1 size comparison

Taking into consideration dimensions and weight, the portability score of the GX-20 and DP1 is 58 and 87 respectively.

Samsung GX-20 vs Sigma DP1 top view buttons comparison

Samsung GX-20 vs Sigma DP1 Sensor Comparison

Typically, it's difficult to imagine the difference in sensor sizing simply by looking through specifications. The visual underneath might provide you a much better sense of the sensor dimensions in the GX-20 and DP1.

Plainly, both the cameras enjoy the same exact sensor sizing but different megapixels. You should expect to see the Samsung GX-20 to result in greater detail using its extra 10 Megapixels. Greater resolution will allow you to crop images far more aggressively.

Samsung GX-20 vs Sigma DP1 sensor size comparison

Samsung GX-20 vs Sigma DP1 Screen and ViewFinder

Samsung GX-20 vs Sigma DP1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Samsung GX-20
Portrait photography with Sigma DP1
71
has manual focus
decent MP (15MP)
sensor size is nice (APS-C)
saves RAW files
55
has manual focus
sensor size is nice (APS-C)
supports RAW files
sensor resolution low (5MP)
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Street Comparison

Samsung GX-20 Street photography info
Sigma DP1 Street photography info
65
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW files
weather proofing
no articulating screen
64
sensor size is nice (APS-C)
supports RAW files
lighter than competition in class (270 grams)
no moving screen
no image stabilization
maximum ISO low (800)
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Sports Comparison

Sports photography with Samsung GX-20
Sports photography with Sigma DP1
68
image stabilization (Sensor based)
decent MP (15 megapixels)
sensor size is nice (APS-C)
weather proofing
sensor has phase detect AF
painfully slow continuous shooting (3.0 fps)
31
sensor size is nice (APS-C)
can't change focal length (28mm)
no image stabilization
sensor resolution low (5MP)
lacks phase detect autofocus
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Travel Comparison

Samsung GX-20 Travel photography info
Sigma DP1 Travel photography info
63
weather proofing
decent MP (15MP)
built-in flash
doesn't have selfie friendly screen
63
lighter than competition in class (270 grams)
has built in flash
very good maximum aperture (f)
does not have Time Lapse function
sensor resolution low (5 megapixels)
does not have selfie friendly display
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Landscape Comparison

Samsung GX-20 as a Landscape photography camera
Sigma DP1 as a Landscape photography camera
70
has manual focus
swap lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent MP (15 megapixels)
sensor size is nice (APS-C)
saves RAW files
weather proofing
screen is somewhat small (2.7 inch)
44
has manual focus
very good maximum aperture (f)
sensor size is nice (APS-C)
supports RAW files
cannot change lens (fixed lens mount)
can't change focal length (28mm)
screen is small (2.5 inches)
no image stabilization
sensor resolution low (5 megapixels)
maximum ISO low (800)
does not have Time Lapse function
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Vlogging Comparison

Samsung GX-20 Vlogging features
Sigma DP1 Vlogging features
9
can't record video
9
can't record video
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Samsung GX-20 vs Sigma DP1 Specifications

Detailed spec comparison table for Samsung GX-20 and Sigma DP1
 Samsung GX-20Sigma DP1
General Information
Make Samsung Sigma
Model Samsung GX-20 Sigma DP1
Type Advanced DSLR Large Sensor Compact
Introduced 2008-01-24 2008-05-19
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 15MP 5MP
Anti aliasing filter
Aspect ratio - 3:2
Max resolution 4688 x 3120 2640 x 1760
Max native ISO 3200 800
Max enhanced ISO 6400 -
Minimum native ISO 100 100
RAW photos
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 11 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28mm (1x)
Total lenses 151 -
Focal length multiplier 1.5 1.7
Screen
Display type Fixed Type Fixed Type
Display sizing 2.7 inch 2.5 inch
Display resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter speed 3.0 frames/s -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) -
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless -
External flash
Auto exposure bracketing
WB bracketing
Max flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Max video resolution None None
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 1.0 (1.5 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 gr (1.76 lbs) 270 gr (0.60 lbs)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 113 x 60 x 50mm (4.4" x 2.4" x 2.0")
DXO scores
DXO Overall 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 (10 sec)
Time lapse shooting
Storage media SD/MMC/SDHC card SD/MMC card
Storage slots One One
Retail pricing $850 $566