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Pentax X90 vs Sigma DP2x

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Sigma DP2x front
Portability
86
Imaging
45
Features
31
Overall
39

Pentax X90 vs Sigma DP2x Key Specs

Pentax X90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-676mm (F2.8-5.0) lens
  • 428g - 111 x 85 x 110mm
  • Launched July 2010
Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Released February 2011
  • Earlier Model is Sigma DP2s
Photography Glossary

Pentax X90 vs Sigma DP2x Overview

Below is a detailed comparison of the Pentax X90 versus Sigma DP2x, former being a Small Sensor Superzoom while the other is a Large Sensor Compact by rivals Pentax and Sigma. There exists a large gap among the image resolutions of the X90 (12MP) and DP2x (5MP) and the X90 (1/2.3") and DP2x (APS-C) provide different sensor sizes.

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The X90 was launched 7 months prior to the DP2x so they are both of a similar age. Both of the cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP2x being a Large Sensor Compact camera.

Before getting straight to a comprehensive comparison, here is a concise summation of how the X90 grades vs the DP2x when considering portability, imaging, features and an overall grade.

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Reasons to pick Pentax X90 over the Sigma DP2x

 X90 DP2x 
Display dimensions2.7"2.5"Larger display (+0.2")

Reasons to pick Sigma DP2x over the Pentax X90

 DP2x X90 
ReleasedFebruary 2011July 2010More recent by 7 months

Common features in the Pentax X90 and Sigma DP2x

 X90 DP2x 
Manually focus More accurate focusing
Display typeFixed Fixed Fixed display
Display resolution230k230kSame display resolution
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Pentax X90 vs Sigma DP2x Physical Comparison

When you are aiming to lug around your camera regularly, you will want to consider its weight and measurements. The Pentax X90 offers external measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") accompanied by a weight of 428 grams (0.94 lbs) and the Sigma DP2x has proportions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs).

Check out the Pentax X90 versus Sigma DP2x in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will change depending on the lens you select at that moment. Following is a front view overall size comparison of the X90 compared to the DP2x.

Pentax X90 vs Sigma DP2x size comparison

Taking into consideration dimensions and weight, the portability score of the X90 and DP2x is 69 and 86 respectively.

Pentax X90 vs Sigma DP2x top view buttons comparison

Pentax X90 vs Sigma DP2x Sensor Comparison

Normally, it is very difficult to visualize the difference in sensor measurements purely by researching specifications. The visual below may provide you a much better sense of the sensor sizing in the X90 and DP2x.

Plainly, the 2 cameras have different resolutions and different sensor measurements. The X90 due to its smaller sensor is going to make getting bokeh more difficult and the Pentax X90 will provide you with extra detail utilizing its extra 7MP. Greater resolution will let you crop photos a bit more aggressively. The older X90 will be disadvantaged when it comes to sensor tech.

Pentax X90 vs Sigma DP2x sensor size comparison

Pentax X90 vs Sigma DP2x Screen and ViewFinder

Pentax X90 vs Sigma DP2x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 Portrait photography details
Sigma DP2x Portrait photography details
29
manual focus
cannot use external flash
low MP (12 megapixels)
sensor size is tiny (1/2.3")
doesn't have RAW files
57
has manual focus
sensor size is nice (APS-C)
supports RAW formats
megapixel count low (5MP)
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Street Comparison

Pentax X90 Street photography factors
Sigma DP2x Street photography factors
45
image stabilization (Sensor-shift)
screen does not articulate
sensor size is tiny (1/2.3")
doesn't have RAW files
68
sensor size is nice (APS-C)
supports RAW formats
lighter than average in class (280g)
fixed screen
lack of image stabilization
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Sports Comparison

Pentax X90 Sports photography information
Sigma DP2x Sports photography information
42
incredible zoom range (26-676mm 26.0 x zoom)
image stabilization (Sensor-shift)
comes with tracking focus
low MP (12 megapixels)
sensor size is tiny (1/2.3")
doesn't have phase detect auto focus
30
sensor size is nice (APS-C)
can't change focal length (41mm)
max frames per second low (3.0 frames per second)
lack of image stabilization
megapixel count low (5MP)
lacks phase detect autofocus
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Travel Comparison

Travel photography with Pentax X90
Travel photography with Sigma DP2x
51
flash built-in
decently wide (26mm)
great zoom (676mm)
does not have Timelapse recording
low MP (12MP)
display isn't selfie friendly
slow max aperture (f2.8)
67
lighter than average in class (280g)
built-in flash
fast max aperture (f)
megapixel count low (5 megapixels)
does not have a selfie friendly display
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Landscape Comparison

Pentax X90 Landscape photography information
Sigma DP2x Landscape photography information
35
manual focus
decently wide (26mm)
image stabilization (Sensor-shift)
cannot swap lens (fixed lens mount)
slow max aperture (f2.8)
small screen (2.7 inches)
low MP (12 megapixels)
sensor size is tiny (1/2.3")
doesn't have RAW files
does not have Timelapse recording
48
has manual focus
fast max aperture (f)
sensor size is nice (APS-C)
supports RAW formats
lens is fixed (fixed lens mount)
can't change focal length (41mm)
screen is somewhat small (2.5 inch)
lack of image stabilization
megapixel count low (5 megapixels)
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Vlogging Comparison

Pentax X90 as a Vlogging camera
Sigma DP2x as a Vlogging camera
23
decently wide (26mm)
image stabilization (Sensor-shift)
slow max aperture (f2.8)
display isn't selfie friendly
low res video (1280 x 720 resolution)
does not have microphone port
28
fast max aperture (f)
lighter than average in class (280g)
does not have a selfie friendly display
lack of image stabilization
video res low (320 x 240 pxls)
lack of mic socket
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Pentax X90 vs Sigma DP2x Specifications

Detailed spec comparison table for Pentax X90 and Sigma DP2x
 Pentax X90Sigma DP2x
General Information
Manufacturer Pentax Sigma
Model type Pentax X90 Sigma DP2x
Category Small Sensor Superzoom Large Sensor Compact
Launched 2010-07-06 2011-02-08
Physical type SLR-like (bridge) Large Sensor Compact
Sensor Information
Processor Prime True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 20.7 x 13.8mm
Sensor area 27.7mm² 285.7mm²
Sensor resolution 12MP 5MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 4000 x 3000 2640 x 1760
Maximum native ISO 6400 3200
Min native ISO 80 100
RAW format
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 9 -
Cross type focus points - -
Lens
Lens support fixed lens fixed lens
Lens zoom range 26-676mm (26.0x) 41mm (1x)
Maximum aperture f/2.8-5.0 -
Macro focusing distance 1cm -
Crop factor 5.9 1.7
Screen
Display type Fixed Type Fixed Type
Display size 2.7" 2.5"
Resolution of display 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic None
Features
Min shutter speed 4 secs 15 secs
Max shutter speed 1/4000 secs 1/2000 secs
Continuous shutter rate - 3.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance 9.10 m 4.30 m
Flash settings - Forced Flash, Red-Eye Reduction, Slow Synchro
External flash
AEB
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 320 x 240
Maximum video resolution 1280x720 320x240
Video data format Motion JPEG Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected 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 428 gr (0.94 lb) 280 gr (0.62 lb)
Physical dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 113 x 60 x 56mm (4.4" x 2.4" x 2.2")
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 ID D-L106 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC, Internal SD/SDHC/MMC
Card slots Single Single
Retail price $350 $699