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Sigma DP2s vs Sony TX20

Portability
86
Imaging
44
Features
31
Overall
38
Sigma DP2s front
 
Sony Cyber-shot DSC-TX20 front
Portability
96
Imaging
39
Features
50
Overall
43

Sigma DP2s vs Sony TX20 Key Specs

Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Introduced February 2010
  • Superseded the Sigma DP2
  • Refreshed by Sigma DP2x
Sony TX20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F3.5-4.6) lens
  • 133g - 96 x 56 x 18mm
  • Released February 2012
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Sigma DP2s vs Sony TX20 Overview

In this article, we are reviewing the Sigma DP2s and Sony TX20, one being a Large Sensor Compact and the other is a Ultracompact by rivals Sigma and Sony. There is a crucial difference among the resolutions of the DP2s (5MP) and TX20 (16MP) and the DP2s (APS-C) and TX20 (1/2.3") possess different sensor measurements.

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The DP2s was released 24 months before the TX20 making the cameras a generation apart from each other. Both of the cameras offer different body type with the Sigma DP2s being a Large Sensor Compact camera and the Sony TX20 being a Ultracompact camera.

Before getting straight into a more detailed comparison, below is a concise introduction of how the DP2s matches up vs the TX20 when considering portability, imaging, features and an overall rating.

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Reasons to pick Sigma DP2s over the Sony TX20

 DP2s TX20 

Reasons to pick Sony TX20 over the Sigma DP2s

 TX20 DP2s 
ReleasedFebruary 2012February 2010Fresher by 24 months
Display sizing3"2.5"Larger display (+0.5")
Display resolution922k230kSharper display (+692k dot)
Touch display Easily navigate

Common features in the Sigma DP2s and Sony TX20

 DP2s TX20 
Manual focus Very exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen

Sigma DP2s vs Sony TX20 Physical Comparison

If you are looking to carry your camera frequently, you will want to factor in its weight and dimensions. The Sigma DP2s enjoys outer dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs) and the Sony TX20 has dimensions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") along with a weight of 133 grams (0.29 lbs).

Look at the Sigma DP2s and Sony TX20 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that moment. Here is the front view scale comparison of the DP2s versus the TX20.

Sigma DP2s vs Sony TX20 size comparison

Using size and weight, the portability rating of the DP2s and TX20 is 86 and 96 respectively.

Sigma DP2s vs Sony TX20 top view buttons comparison

Sigma DP2s vs Sony TX20 Sensor Comparison

Generally, its hard to imagine the difference in sensor sizing purely by seeing technical specs. The graphic underneath may provide you a stronger sense of the sensor dimensions in the DP2s and TX20.

As you can tell, the 2 cameras enjoy different megapixels and different sensor sizing. The DP2s due to its larger sensor is going to make shooting shallow DOF less difficult and the Sony TX20 will produce greater detail as a result of its extra 11 Megapixels. Greater resolution can also allow you to crop images far more aggressively. The older DP2s will be disadvantaged in sensor tech.

Sigma DP2s vs Sony TX20 sensor size comparison

Sigma DP2s vs Sony TX20 Screen and ViewFinder

Sigma DP2s vs Sony TX20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2s Portrait photography info
Sony TX20 Portrait photography info
56
manual focus
sensor size is decent (APS-C)
delivers RAW files
low resolution sensor (5 megapixels)
40
manual focus
decent megapixels (16MP)
offers face detect focusing
no manual exposure
cannot use external flash
small sensor size (1/2.3")
lack of RAW format
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Street Comparison

Sigma DP2s Street photography features
Sony TX20 Street photography features
67
sensor size is decent (APS-C)
delivers RAW files
lighter than competition in class (280 grams)
fixed screen
does not have image stabilization
67
image stabilization (Optical)
provides focus by touch
weather proofing
screen does not articulate
small sensor size (1/2.3")
lack of RAW format
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Sports Comparison

Sigma DP2s as a Sports photography camera
Sony TX20 as a Sports photography camera
30
sensor size is decent (APS-C)
can't change focal length (41mm)
very slow continuous shooting (3.0 frames per second)
does not have image stabilization
low resolution sensor (5MP)
no phase detect auto focus
50
image stabilization (Optical)
decent megapixels (16 megapixels)
offers tracking focus
weather proofing
great battery pack (250 shots)
no shutter priority
small sensor size (1/2.3")
lack of phase detect AF
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Travel Comparison

Sigma DP2s as a Travel photography camera
Sony TX20 as a Travel photography camera
67
lighter than competition in class (280g)
built-in flash
great max aperture (f)
low resolution sensor (5MP)
does not posses selfie friendly screen
72
great battery pack (250 per charge)
weather proofing
provides focus by touch
decent megapixels (16 megapixels)
has built in flash
really wide (25mm)
missing Timelapse recording
screen is not selfie friendly
slow maximum aperture (f3.5)
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Landscape Comparison

Sigma DP2s Landscape photography factors
Sony TX20 Landscape photography factors
48
manual focus
great max aperture (f)
sensor size is decent (APS-C)
delivers RAW files
lens is fixed (fixed lens mount)
can't change focal length (41mm)
small screen (2.5")
does not have image stabilization
low resolution sensor (5 megapixels)
52
manual focus
really wide (25mm)
decent sized screen (3")
image stabilization (Optical)
decent megapixels (16 megapixels)
weather proofing
great battery pack (250 shots)
fixed lens (fixed lens mount)
slow maximum aperture (f3.5)
no manual exposure
small sensor size (1/2.3")
lack of RAW format
missing Timelapse recording
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Vlogging Comparison

Sigma DP2s Vlogging info
Sony TX20 Vlogging info
28
great max aperture (f)
lighter than competition in class (280g)
does not posses selfie friendly screen
does not have image stabilization
low res video (320 x 240 pxls)
missing external mic support
35
really wide (25mm)
touchscreen enabled
image stabilization (Optical)
offers face detect focusing
video resolution high (1920 x 1080 pxls)
slow maximum aperture (f3.5)
screen is not selfie friendly
missing microphone port
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Sigma DP2s vs Sony TX20 Specifications

Detailed spec comparison table for Sigma DP2s and Sony TX20
 Sigma DP2sSony Cyber-shot DSC-TX20
General Information
Brand Name Sigma Sony
Model type Sigma DP2s Sony Cyber-shot DSC-TX20
Type Large Sensor Compact Ultracompact
Introduced 2010-02-20 2012-02-28
Body design Large Sensor Compact Ultracompact
Sensor Information
Processor True II BIONZ
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor measurements 20.7 x 13.8mm 6.17 x 4.55mm
Sensor area 285.7mm² 28.1mm²
Sensor resolution 5MP 16MP
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3 and 16:9
Peak resolution 2640 x 1760 4608 x 3456
Highest native ISO 3200 3200
Minimum native ISO 50 125
RAW files
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Cross type focus points - -
Lens
Lens support fixed lens fixed lens
Lens zoom range 41mm (1x) 25-100mm (4.0x)
Highest aperture - f/3.5-4.6
Macro focusing distance - 1cm
Crop factor 1.7 5.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.5 inches 3 inches
Resolution of screen 230k dot 922k dot
Selfie friendly
Liveview
Touch function
Screen tech - XtraFine TruBlack TFT LCD
Viewfinder Information
Viewfinder None None
Features
Min shutter speed 15 secs 4 secs
Max shutter speed 1/2000 secs 1/1600 secs
Continuous shutter speed 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change WB
Image stabilization
Integrated flash
Flash distance 4.30 m 3.70 m
Flash settings Forced Flash, Red-Eye Reduction, Slow Synchro Auto, On, Off, Slow Sync
External flash
AEB
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 320 x 240 1920 x 1080 (60 fps), 1440 x 1080 (60, 30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 320x240 1920x1080
Video format Motion JPEG MPEG-4, AVCHD
Microphone jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
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 280g (0.62 lbs) 133g (0.29 lbs)
Dimensions 113 x 60 x 56mm (4.4" x 2.4" x 2.2") 96 x 56 x 18mm (3.8" x 2.2" x 0.7")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life - 250 images
Style of battery - Battery Pack
Battery ID - NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse recording
Type of storage SD/SDHC/MMC card SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots 1 1
Launch price $940 $330