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Samsung GX-20 vs Sigma DP2 Merrill

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sigma DP2 Merrill front
Portability
83
Imaging
56
Features
33
Overall
46

Samsung GX-20 vs Sigma DP2 Merrill Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Released January 2008
  • Succeeded the Samsung GX-10
Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Revealed February 2012
  • Superseded the Sigma DP1 Merrill
  • Successor is Sigma DP3 Merrill
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Samsung GX-20 vs Sigma DP2 Merrill Overview

In this write-up, we are looking at the Samsung GX-20 vs Sigma DP2 Merrill, former is a Advanced DSLR while the other is a Large Sensor Compact by brands Samsung and Sigma. The resolution of the GX-20 (15MP) and the DP2 Merrill (15MP) is fairly similar and they feature the same exact sensor dimensions (APS-C).

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The GX-20 was released 5 years prior to the DP2 Merrill which is quite a serious difference as far as technology is concerned. Both cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before getting in to a detailed comparison, below is a brief view of how the GX-20 grades against the DP2 Merrill when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Samsung GX-20 over the Sigma DP2 Merrill

 GX-20 DP2 Merrill 

Reasons to pick Sigma DP2 Merrill over the Samsung GX-20

 DP2 Merrill GX-20 
RevealedFebruary 2012January 2008Newer by 49 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution920k230kClearer display (+690k dot)

Common features in the Samsung GX-20 and Sigma DP2 Merrill

 GX-20 DP2 Merrill 
Manually focus Very accurate focusing
Display typeFixed Fixed Fixed display
Selfie screen Neither contains selfie screen
Touch friendly display Lack of Touch friendly display

Samsung GX-20 vs Sigma DP2 Merrill Physical Comparison

When you are going to travel with your camera, you are going to need to factor its weight and proportions. The Samsung GX-20 has got outer 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) whilst the Sigma DP2 Merrill has measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") and a weight of 330 grams (0.73 lbs).

Compare the Samsung GX-20 vs Sigma DP2 Merrill in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change dependant on the lens you select at the time. The following is the front view proportions comparison of the GX-20 vs the DP2 Merrill.

Samsung GX-20 vs Sigma DP2 Merrill size comparison

Looking at dimensions and weight, the portability score of the GX-20 and DP2 Merrill is 58 and 83 respectively.

Samsung GX-20 vs Sigma DP2 Merrill top view buttons comparison

Samsung GX-20 vs Sigma DP2 Merrill Sensor Comparison

More often than not, it is tough to visualize the difference between sensor dimensions simply by going over a spec sheet. The image below will offer you a more clear sense of the sensor sizes in the GX-20 and DP2 Merrill.

Clearly, the two cameras offer the same exact sensor sizing and the same megapixels and you can expect similar quality of files though you have to consider the launch date of the products into consideration. The more aged GX-20 is going to be behind when it comes to sensor technology.

Samsung GX-20 vs Sigma DP2 Merrill sensor size comparison

Samsung GX-20 vs Sigma DP2 Merrill Screen and ViewFinder

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

Portrait Comparison

Samsung GX-20 Portrait photography advice
Sigma DP2 Merrill Portrait photography advice
71
manual focus
resolution is good (15MP)
sensor size is decent (APS-C)
supports RAW files
73
you can focus manually
good megapixels (15MP)
good sensor size (APS-C)
delivers RAW formats
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Street Comparison

Samsung GX-20 as a Street photography camera
Sigma DP2 Merrill as a Street photography camera
65
has image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW files
environment proof
screen is fixed
65
good sensor size (APS-C)
delivers RAW formats
screen does not articulate
no image stabilization
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Sports Comparison

Samsung GX-20 Sports photography details
Sigma DP2 Merrill Sports photography details
68
has image stabilization (Sensor based)
resolution is good (15 megapixels)
sensor size is decent (APS-C)
environment proof
has phase detect AF
low fps (3.0 frames/s)
44
good megapixels (15 megapixels)
good sensor size (APS-C)
can't change focal length (50mm)
low frames per second (4.0 fps)
no image stabilization
lack of phase detect auto focus
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Travel Comparison

Samsung GX-20 Travel photography factors
Sigma DP2 Merrill Travel photography factors
63
environment proof
resolution is good (15MP)
built-in flash
does not have selfie friendly display
54
good megapixels (15 megapixels)
missing Timelapse recording
display is not selfie friendly
sluggish max aperture (f2.8)
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Landscape Comparison

Samsung GX-20 as a Landscape photography camera
Sigma DP2 Merrill as a Landscape photography camera
70
manual focus
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
resolution is good (15MP)
sensor size is decent (APS-C)
supports RAW files
environment proof
small screen (2.7")
55
you can focus manually
good sized screen (3")
good megapixels (15 megapixels)
good sensor size (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
can't change focal length (50mm)
sluggish max aperture (f2.8)
no image stabilization
missing Timelapse recording
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Vlogging Comparison

Samsung GX-20 as a Vlogging camera
Sigma DP2 Merrill as a Vlogging camera
9
lack of video recording
22
sluggish max aperture (f2.8)
display is not selfie friendly
no image stabilization
low video resolution (640 x 480 resolution)
missing microphone support
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Samsung GX-20 vs Sigma DP2 Merrill Specifications

Detailed spec comparison table for Samsung GX-20 and Sigma DP2 Merrill
 Samsung GX-20Sigma DP2 Merrill
General Information
Brand Name Samsung Sigma
Model type Samsung GX-20 Sigma DP2 Merrill
Type Advanced DSLR Large Sensor Compact
Released 2008-01-24 2012-02-08
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Processor - Dual TRUE II engine
Sensor type CMOS CMOS (Foveon X3)
Sensor size APS-C APS-C
Sensor measurements 23.4 x 15.6mm 24 x 16mm
Sensor area 365.0mm² 384.0mm²
Sensor resolution 15MP 15MP
Anti alias filter
Max resolution 4688 x 3120 4704 x 3136
Max native ISO 3200 6400
Max enhanced ISO 6400 -
Minimum native ISO 100 100
RAW format
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 50mm (1x)
Max aperture - f/2.8
Available lenses 151 -
Crop factor 1.5 1.5
Screen
Type of display Fixed Type Fixed Type
Display diagonal 2.7" 3"
Resolution of display 230 thousand dots 920 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95% -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30 secs -
Fastest shutter speed 1/4000 secs -
Continuous shutter rate 3.0fps 4.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) no built-in flash
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless no built-in flash
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize 1/180 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 640x480
Max video resolution None 640x480
Video format - Motion JPEG
Microphone 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 pounds) 330 grams (0.73 pounds)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
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) -
Time lapse feature
Storage type SD/MMC/SDHC card -
Card slots Single Single
Retail price $850 $931