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Sigma DP2x vs Sony TX20

Portability
86
Imaging
45
Features
31
Overall
39
Sigma DP2x front
 
Sony Cyber-shot DSC-TX20 front
Portability
96
Imaging
39
Features
50
Overall
43

Sigma DP2x vs Sony TX20 Key Specs

Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released February 2011
  • Earlier Model is Sigma DP2s
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
  • Announced February 2012
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Sigma DP2x vs Sony TX20 Overview

Let's take a more detailed look at the Sigma DP2x versus Sony TX20, one is a Large Sensor Compact and the other is a Ultracompact by manufacturers Sigma and Sony. There exists a significant gap among the resolutions of the DP2x (5MP) and TX20 (16MP) and the DP2x (APS-C) and TX20 (1/2.3") have totally different sensor sizes.

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The DP2x was unveiled 12 months before the TX20 and they are of a similar generation. Both of the cameras feature different body design with the Sigma DP2x being a Large Sensor Compact camera and the Sony TX20 being a Ultracompact camera.

Before diving into a more detailed comparison, here is a brief highlight of how the DP2x grades vs the TX20 for portability, imaging, features and an overall score.

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Reasons to pick Sigma DP2x over the Sony TX20

 DP2x TX20 

Reasons to pick Sony TX20 over the Sigma DP2x

 TX20 DP2x 
AnnouncedFebruary 2012February 2011More modern by 12 months
Display size3"2.5"Larger display (+0.5")
Display resolution922k230kSharper display (+692k dot)
Touch friendly display Easily navigate

Common features in the Sigma DP2x and Sony TX20

 DP2x TX20 
Manually focus Dial exact focus
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen

Sigma DP2x vs Sony TX20 Physical Comparison

For those who are going to carry around your camera, you'll need to consider its weight and proportions. The Sigma DP2x comes with outer measurements 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 measurements of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") accompanied by a weight of 133 grams (0.29 lbs).

Examine the Sigma DP2x versus Sony TX20 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at the time. Below is a front view scale comparison of the DP2x and the TX20.

Sigma DP2x vs Sony TX20 size comparison

Using dimensions and weight, the portability rating of the DP2x and TX20 is 86 and 96 respectively.

Sigma DP2x vs Sony TX20 top view buttons comparison

Sigma DP2x vs Sony TX20 Sensor Comparison

Typically, it can be tough to envision the difference in sensor sizes purely by viewing a spec sheet. The picture underneath will offer you a far better sense of the sensor measurements in the DP2x and TX20.

Clearly, both of those cameras come with different megapixels and different sensor sizes. The DP2x using its larger sensor will make shooting bokeh less difficult and the Sony TX20 will result in more detail having an extra 11MP. Greater resolution can also help you crop photos a good deal more aggressively. The more aged DP2x will be disadvantaged with regard to sensor tech.

Sigma DP2x vs Sony TX20 sensor size comparison

Sigma DP2x vs Sony TX20 Screen and ViewFinder

Sigma DP2x vs Sony TX20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2x as a Portrait photography camera
Sony TX20 as a Portrait photography camera
57
has manual focus
sensor size is good (APS-C)
delivers RAW formats
megapixel count low (5 megapixels)
40
focusing manually
megapixel count decent (16 megapixels)
has face detect focus
manual mode not possible
can't use external flash
small sensor (1/2.3")
no RAW files
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Street Comparison

Sigma DP2x Street photography advice
Sony TX20 Street photography advice
68
sensor size is good (APS-C)
delivers RAW formats
lighter than average in class (280g)
screen is fixed
lack of image stabilization
67
image stabilization (Optical)
provides focus by touch
environment sealing
no articulating screen
small sensor (1/2.3")
no RAW files
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Sports Comparison

Sigma DP2x Sports photography info
Sony TX20 Sports photography info
30
sensor size is good (APS-C)
can't change focal length (41mm)
continuous shooting slow (3.0 frames/s)
lack of image stabilization
megapixel count low (5 megapixels)
has no phase detect AF
50
image stabilization (Optical)
megapixel count decent (16MP)
has tracking focus
environment sealing
good battery life (250 CIPA)
no shutter priority
small sensor (1/2.3")
no phase detect auto focus
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Travel Comparison

Travel photography with Sigma DP2x
Travel photography with Sony TX20
67
lighter than average in class (280g)
flash built-in
great maximum aperture (f)
megapixel count low (5 megapixels)
does not offer selfie friendly screen
72
good battery life (250 shots)
environment sealing
provides focus by touch
megapixel count decent (16 megapixels)
flash built-in
reasonably wide (25mm)
lack of Time Lapse function
does not posses selfie friendly screen
sluggish maximum aperture (f3.5)
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Landscape Comparison

Sigma DP2x Landscape photography factors
Sony TX20 Landscape photography factors
48
has manual focus
great maximum aperture (f)
sensor size is good (APS-C)
delivers RAW formats
lens is fixed (fixed lens mount)
can't change focal length (41mm)
tiny screen (2.5 inches)
lack of image stabilization
megapixel count low (5 megapixels)
52
focusing manually
reasonably wide (25mm)
pretty good screen size (3 inches)
image stabilization (Optical)
megapixel count decent (16 megapixels)
environment sealing
good battery life (250 CIPA)
can't swap lenses (fixed lens mount)
sluggish maximum aperture (f3.5)
manual mode not possible
small sensor (1/2.3")
no RAW files
lack of Time Lapse function
Photography Glossary

Vlogging Comparison

Sigma DP2x Vlogging highlights
Sony TX20 Vlogging highlights
28
great maximum aperture (f)
lighter than average in class (280 grams)
does not offer selfie friendly screen
lack of image stabilization
low video resolution (320 x 240 pxls)
no mic support
35
reasonably wide (25mm)
built-in touchscreen
image stabilization (Optical)
has face detect focus
video res high (1920 x 1080 pxls)
sluggish maximum aperture (f3.5)
does not posses selfie friendly screen
lack of mic support
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Sigma DP2x vs Sony TX20 Specifications

Detailed spec comparison table for Sigma DP2x and Sony TX20
 Sigma DP2xSony Cyber-shot DSC-TX20
General Information
Brand Sigma Sony
Model type Sigma DP2x Sony Cyber-shot DSC-TX20
Type Large Sensor Compact Ultracompact
Released 2011-02-08 2012-02-28
Physical type Large Sensor Compact Ultracompact
Sensor Information
Processor Chip True II BIONZ
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 20.7 x 13.8mm 6.17 x 4.55mm
Sensor surface area 285.7mm² 28.1mm²
Sensor resolution 5 megapixels 16 megapixels
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
Lowest native ISO 100 125
RAW files
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 41mm (1x) 25-100mm (4.0x)
Max aperture - f/3.5-4.6
Macro focusing range - 1cm
Focal length multiplier 1.7 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.5" 3"
Screen resolution 230k dots 922k dots
Selfie friendly
Liveview
Touch functionality
Screen technology - XtraFine TruBlack TFT LCD
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 15s 4s
Fastest shutter speed 1/2000s 1/1600s
Continuous shutter rate 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Inbuilt 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
Auto exposure bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported 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 file format Motion JPEG MPEG-4, AVCHD
Mic support
Headphone support
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
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 280g (0.62 pounds) 133g (0.29 pounds)
Physical 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 photographs
Battery style - Battery Pack
Battery ID - NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage type SD/SDHC/MMC SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Card slots One One
Cost at release $699 $330