Clicky

Sigma DP2x vs Sony A55

Portability
86
Imaging
45
Features
31
Overall
39
Sigma DP2x front
 
Sony SLT-A55 front
Portability
67
Imaging
56
Features
80
Overall
65

Sigma DP2x vs Sony A55 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
  • Introduced February 2011
  • Replaced the Sigma DP2s
Sony A55
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Introduced August 2010
  • Newer Model is Sony A57
Meta to Introduce 'AI-Generated' Labels for Media starting next month

Sigma DP2x vs Sony A55 Overview

Below is a in-depth assessment of the Sigma DP2x and Sony A55, former being a Large Sensor Compact while the latter is a Entry-Level DSLR by companies Sigma and Sony. There exists a large gap between the resolutions of the DP2x (5MP) and A55 (16MP) but they possess the exact same sensor measurements (APS-C).

Samsung Releases Faster Versions of EVO MicroSD Cards

The DP2x was launched 6 months later than the A55 which means that they are both of a similar age. Both cameras come with different body type with the Sigma DP2x being a Large Sensor Compact camera and the Sony A55 being a Compact SLR camera.

Before we go in to a complete comparison, below is a concise view of how the DP2x matches up versus the A55 for portability, imaging, features and an overall grade.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes
	
	

Reasons to pick Sigma DP2x over the Sony A55

 DP2x A55 

Reasons to pick Sony A55 over the Sigma DP2x

 A55 DP2x 
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution921k230kClearer screen (+691k dot)
Selfie screen Easy selfies

Common features in the Sigma DP2x and Sony A55

 DP2x A55 
IntroducedFebruary 2011August 2010Similar age
Manual focus Very exact focusing
Touch screen Lack of Touch screen

Sigma DP2x vs Sony A55 Physical Comparison

If you are intending to lug around your camera often, you will need to consider its weight and dimensions. The Sigma DP2x has 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 A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Contrast the Sigma DP2x and Sony A55 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will change based on the lens you are utilizing at the time. Following is the front view over all size comparison of the DP2x compared to the A55.

Sigma DP2x vs Sony A55 size comparison

Taking into account dimensions and weight, the portability score of the DP2x and A55 is 86 and 67 respectively.

Sigma DP2x vs Sony A55 top view buttons comparison

Sigma DP2x vs Sony A55 Sensor Comparison

More often than not, it is very tough to envision the difference between sensor measurements merely by reading through technical specs. The photograph here should give you a better sense of the sensor measurements in the DP2x and A55.

As you can tell, both of those cameras have got the exact same sensor measurements albeit not the same MP. You can count on the Sony A55 to resolve greater detail utilizing its extra 11 Megapixels. Higher resolution will also help you crop shots much more aggressively.

Sigma DP2x vs Sony A55 sensor size comparison

Sigma DP2x vs Sony A55 Screen and ViewFinder

Sigma DP2x vs Sony A55 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Sigma DP2x Portrait photography features
Sony A55 Portrait photography features
57
focusing manually
good sensor size (APS-C)
saves RAW formats
low resolution (5MP)
73
you can focus manually
decent MP (16 megapixels)
nice sensor size (APS-C)
has face detection focus
exports RAW formats
Apple Innovates by Creating Next-Level Optical Stabilization for iPhone

Street Comparison

Sigma DP2x Street photography highlights
Sony A55 Street photography highlights
68
good sensor size (APS-C)
saves RAW formats
lighter than competition (280 grams)
fixed screen
no image stabilization
77
screen articulates fully
built in image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW formats
Photobucket discusses licensing 13 billion images with AI firms

Sports Comparison

Sigma DP2x as a Sports photography camera
Sony A55 as a Sports photography camera
30
good sensor size (APS-C)
focal length is fixed (41mm)
continuous shooting slow (3.0 fps)
no image stabilization
low resolution (5 megapixels)
has no phase detect autofocus
68
built in image stabilization (Sensor based)
decent MP (16MP)
nice sensor size (APS-C)
has phase detect auto focus
terrible battery power (380 CIPA)
President Biden pushes bill mandating TikTok sale or ban

Travel Comparison

Sigma DP2x Travel photography info
Sony A55 Travel photography info
67
lighter than competition (280 grams)
has built in flash
great maximum aperture (f)
low resolution (5MP)
doesn't posses selfie friendly display
62
decent MP (16MP)
flash built-in
selfie friendly display
doesn't have Timelapse mode
terrible battery power (380 per charge)
Snapchat Adds Watermarks to AI-Created Images

Landscape Comparison

Sigma DP2x as a Landscape photography camera
Sony A55 as a Landscape photography camera
48
focusing manually
great maximum aperture (f)
good sensor size (APS-C)
saves RAW formats
fixed lens (fixed lens mount)
focal length is fixed (41mm)
tiny screen (2.5")
no image stabilization
low resolution (5MP)
67
you can focus manually
swap lenses (Sony/Minolta Alpha mount)
decent sized screen (3 inch)
built in image stabilization (Sensor based)
decent MP (16MP)
nice sensor size (APS-C)
exports RAW formats
terrible battery power (380 CIPA)
doesn't have Timelapse mode
Pentax 17 Pre-Orders Outperform Expectations by a Landslide

Vlogging Comparison

Vlogging with Sigma DP2x
Vlogging with Sony A55
28
great maximum aperture (f)
lighter than competition (280g)
doesn't posses selfie friendly display
no image stabilization
low res video (320 x 240 pxls)
missing mic support
78
selfie friendly display
built in image stabilization (Sensor based)
has face detection focus
great video quality (1920 x 1080 pixels)
has external microphone port
Sora from OpenAI releases its first ever music video

Sigma DP2x vs Sony A55 Specifications

Detailed spec comparison table for Sigma DP2x and Sony A55
 Sigma DP2xSony SLT-A55
General Information
Company Sigma Sony
Model type Sigma DP2x Sony SLT-A55
Category Large Sensor Compact Entry-Level DSLR
Introduced 2011-02-08 2010-08-24
Body design Large Sensor Compact Compact SLR
Sensor Information
Chip True II Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor measurements 20.7 x 13.8mm 23.5 x 15.6mm
Sensor surface area 285.7mm² 366.6mm²
Sensor resolution 5 megapixel 16 megapixel
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Full resolution 2640 x 1760 4912 x 3264
Max native ISO 3200 12800
Max boosted ISO - 25600
Lowest native ISO 100 100
RAW support
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 15
Cross type focus points - 3
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 41mm (1x) -
Amount of lenses - 143
Focal length multiplier 1.7 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen diagonal 2.5 inch 3 inch
Resolution of screen 230k dot 921k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 1,150k dot
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Lowest shutter speed 15s 30s
Highest shutter speed 1/2000s 1/4000s
Continuous shooting speed 3.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 4.30 m 10.00 m (@ ISO 100)
Flash modes Forced Flash, Red-Eye Reduction, Slow Synchro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Highest flash sync - 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 320 x 240 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Max video resolution 320x240 1920x1080
Video format Motion JPEG MPEG-4, AVCHD, H.264
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 BuiltIn
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 280 gr (0.62 pounds) 500 gr (1.10 pounds)
Dimensions 113 x 60 x 56mm (4.4" x 2.4" x 2.2") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating not tested 73
DXO Color Depth rating not tested 23.0
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 816
Other
Battery life - 380 shots
Battery form - Battery Pack
Battery ID - NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/MMC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Launch cost $699 $800