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Samsung GX-20 vs Sigma DP1x

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sigma DP1x front
Portability
88
Imaging
44
Features
27
Overall
37

Samsung GX-20 vs Sigma DP1x Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Revealed January 2008
  • Previous Model is Samsung GX-10
Sigma DP1x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 28mm (F4.0) lens
  • 250g - 113 x 60 x 50mm
  • Introduced February 2010
  • Superseded the Sigma DP1s
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Samsung GX-20 vs Sigma DP1x Overview

Its time to look closer at the Samsung GX-20 vs Sigma DP1x, one being a Advanced DSLR and the latter is a Large Sensor Compact by competitors Samsung and Sigma. There is a huge difference between the resolutions of the GX-20 (15MP) and DP1x (5MP) but both cameras boast the same sensor dimensions (APS-C).

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The GX-20 was unveiled 3 years prior to the DP1x and that is quite a significant gap as far as tech is concerned. Both cameras have different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sigma DP1x being a Large Sensor Compact camera.

Before getting straight to a complete comparison, here is a concise summary of how the GX-20 matches up against the DP1x with regard to portability, imaging, features and an overall grade.

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Reasons to pick Samsung GX-20 over the Sigma DP1x

 GX-20 DP1x 
Screen dimensions2.7"2.5"Bigger screen (+0.2")

Reasons to pick Sigma DP1x over the Samsung GX-20

 DP1x GX-20 
IntroducedFebruary 2010January 2008More recent by 25 months

Common features in the Samsung GX-20 and Sigma DP1x

 GX-20 DP1x 
Manually focus Dial exact focus
Screen typeFixed Fixed Fixed screen
Screen resolution230k230kThe same screen resolution
Selfie screen Neither provides selfie screen
Touch friendly screen Lacking Touch friendly screen

Samsung GX-20 vs Sigma DP1x Physical Comparison

When you are aiming to lug around your camera frequently, you will want to think about its weight and size. The Samsung GX-20 provides outside measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) whilst the Sigma DP1x has specifications of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 250 grams (0.55 lbs).

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Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at that moment. The following is a front view dimensions comparison of the GX-20 compared to the DP1x.

Samsung GX-20 vs Sigma DP1x size comparison

Factoring in size and weight, the portability grade of the GX-20 and DP1x is 58 and 88 respectively.

Samsung GX-20 vs Sigma DP1x top view buttons comparison

Samsung GX-20 vs Sigma DP1x Sensor Comparison

In many cases, it's tough to visualize the gap between sensor measurements purely by checking specs. The photograph below may give you a far better sense of the sensor measurements in the GX-20 and DP1x.

As you can plainly see, both of the cameras have the same sensor dimensions albeit different megapixels. You should count on the Samsung GX-20 to give you more detail having an extra 10MP. Higher resolution can also help you crop shots a bit more aggressively. The older GX-20 is going to be disadvantaged in sensor tech.

Samsung GX-20 vs Sigma DP1x sensor size comparison

Samsung GX-20 vs Sigma DP1x Screen and ViewFinder

Samsung GX-20 vs Sigma DP1x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography details
Sigma DP1x Portrait photography details
71
has manual focus
megapixel count good (15MP)
sensor size is nice (APS-C)
supports RAW formats
56
focusing manually
good sensor size (APS-C)
delivers RAW files
megapixel count low (5 megapixels)
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Street Comparison

Samsung GX-20 as a Street photography camera
Sigma DP1x as a Street photography camera
65
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
weather proofing
screen is fixed
68
good sensor size (APS-C)
delivers RAW files
lighter than competition (250 grams)
no moving screen
lack of image stabilization
Photography Glossary

Sports Comparison

Sports photography with Samsung GX-20
Sports photography with Sigma DP1x
68
image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is nice (APS-C)
weather proofing
sensor has phase detect AF
max frames per second very slow (3.0 frames per second)
32
good sensor size (APS-C)
focal length is fixed (28mm)
lack of image stabilization
megapixel count low (5MP)
lacks phase detect autofocus
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Travel Comparison

Samsung GX-20 Travel photography information
Sigma DP1x Travel photography information
63
weather proofing
megapixel count good (15MP)
has built in flash
display is not selfie friendly
57
lighter than competition (250g)
built-in flash
no Time Lapse recording
megapixel count low (5 megapixels)
screen isn't selfie friendly
sluggish maximum aperture (f4.0)
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Landscape Comparison

Samsung GX-20 Landscape photography advice
Sigma DP1x Landscape photography advice
70
has manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is nice (APS-C)
supports RAW formats
weather proofing
screen is somewhat small (2.7")
41
focusing manually
good sensor size (APS-C)
delivers RAW files
cannot switch lenses (fixed lens mount)
focal length is fixed (28mm)
sluggish maximum aperture (f4.0)
screen is somewhat small (2.5")
lack of image stabilization
megapixel count low (5 megapixels)
no Time Lapse recording
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Vlogging Comparison

Samsung GX-20 Vlogging advice
Sigma DP1x Vlogging advice
9
can't record video
25
lighter than competition (250 grams)
sluggish maximum aperture (f4.0)
screen isn't selfie friendly
lack of image stabilization
video res low (320 x 240 resolution)
no mic jack
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Samsung GX-20 vs Sigma DP1x Specifications

Detailed spec comparison table for Samsung GX-20 and Sigma DP1x
 Samsung GX-20Sigma DP1x
General Information
Make Samsung Sigma
Model Samsung GX-20 Sigma DP1x
Type Advanced DSLR Large Sensor Compact
Revealed 2008-01-24 2010-02-20
Body design Mid-size SLR Large Sensor Compact
Sensor Information
Processor Chip - True II
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
Peak resolution 4688 x 3120 2640 x 1760
Highest native ISO 3200 3200
Highest enhanced ISO 6400 -
Min native ISO 100 100
RAW format
Autofocusing
Manual focus
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 11 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 28mm (1x)
Maximal aperture - f/4.0
Total lenses 151 -
Crop factor 1.5 1.7
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7 inch 2.5 inch
Screen resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
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 options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless -
Hot shoe
AE bracketing
WB bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 320 x 240
Highest video resolution None 320x240
Mic input
Headphone input
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
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800g (1.76 lb) 250g (0.55 lb)
Physical 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 recording
Type of storage SD/MMC/SDHC card SD/MMC card
Storage slots One One
Cost at release $850 $574