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Pentax X90 vs Samsung GX-20

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Samsung GX-20 front
Portability
58
Imaging
53
Features
52
Overall
52

Pentax X90 vs Samsung GX-20 Key Specs

Pentax X90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-676mm (F2.8-5.0) lens
  • 428g - 111 x 85 x 110mm
  • Released July 2010
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Launched January 2008
  • Earlier Model is Samsung GX-10
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Pentax X90 vs Samsung GX-20 Overview

Below is a comprehensive review of the Pentax X90 and Samsung GX-20, former being a Small Sensor Superzoom while the other is a Advanced DSLR by companies Pentax and Samsung. The resolution of the X90 (12MP) and the GX-20 (15MP) is very well matched but the X90 (1/2.3") and GX-20 (APS-C) have different sensor size.

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The X90 was manufactured 2 years later than the GX-20 and that is quite a serious difference as far as tech is concerned. Both of the cameras feature different body design with the Pentax X90 being a SLR-like (bridge) camera and the Samsung GX-20 being a Mid-size SLR camera.

Before diving into a in-depth comparison, here is a simple view of how the X90 grades versus the GX-20 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Pentax X90 over the Samsung GX-20

 X90 GX-20 
LaunchedJuly 2010January 2008More recent by 30 months

Reasons to pick Samsung GX-20 over the Pentax X90

 GX-20 X90 

Common features in the Pentax X90 and Samsung GX-20

 X90 GX-20 
Manual focus Dial accurate focusing
Display typeFixed Fixed Fixed display
Display size2.7"2.7"Same display size
Display resolution230k230kEqual display resolution
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Pentax X90 vs Samsung GX-20 Physical Comparison

For anyone who is looking to lug around your camera often, you will want to think about its weight and size. The Pentax X90 provides exterior dimensions of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") accompanied by a weight of 428 grams (0.94 lbs) whilst the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") along with a weight of 800 grams (1.76 lbs).

Analyze the Pentax X90 and Samsung GX-20 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary based on the lens you are using at the time. Following is a front view dimensions comparison of the X90 versus the GX-20.

Pentax X90 vs Samsung GX-20 size comparison

Looking at size and weight, the portability rating of the X90 and GX-20 is 69 and 58 respectively.

Pentax X90 vs Samsung GX-20 top view buttons comparison

Pentax X90 vs Samsung GX-20 Sensor Comparison

In many cases, it's difficult to imagine the difference between sensor measurements merely by checking specifications. The photograph underneath may offer you a stronger sense of the sensor dimensions in the X90 and GX-20.

Plainly, both of those cameras come with different megapixels and different sensor measurements. The X90 because of its tinier sensor is going to make achieving shallow depth of field harder and the Samsung GX-20 will resolve greater detail due to its extra 3MP. Greater resolution will let you crop photos a good deal more aggressively. The younger X90 provides an advantage when it comes to sensor innovation.

Pentax X90 vs Samsung GX-20 sensor size comparison

Pentax X90 vs Samsung GX-20 Screen and ViewFinder

Pentax X90 vs Samsung GX-20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 Portrait photography factors
Samsung GX-20 Portrait photography factors
29
manual focus
external flash not possible
low MP (12 megapixels)
sensor is very small (1/2.3")
does not have RAW support
71
focusing manually
decent sensor resolution (15 megapixels)
good sensor size (APS-C)
supports RAW formats
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Street Comparison

Pentax X90 as a Street photography camera
Samsung GX-20 as a Street photography camera
45
built in image stabilization (Sensor-shift)
screen is fixed
sensor is very small (1/2.3")
does not have RAW support
65
built in image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
weather sealing
screen does not articulate
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Sports Comparison

Pentax X90 as a Sports photography camera
Samsung GX-20 as a Sports photography camera
42
amazing zoom range (26-676mm 26.0 x zoom)
built in image stabilization (Sensor-shift)
has tracking focus
low MP (12MP)
sensor is very small (1/2.3")
does not have phase detect AF
68
built in image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
good sensor size (APS-C)
weather sealing
supports phase detect auto focus
max frames per second very slow (3.0 frames/s)
Photography Glossary

Travel Comparison

Travel photography with Pentax X90
Travel photography with Samsung GX-20
51
has built in flash
pretty wide (26mm)
very long reach (676mm)
lack of Timelapse mode
low MP (12 megapixels)
screen is not selfie friendly
sluggish max aperture (f2.8)
63
weather sealing
decent sensor resolution (15MP)
has built in flash
screen is not selfie friendly
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Landscape Comparison

Pentax X90 Landscape photography highlights
Samsung GX-20 Landscape photography highlights
35
manual focus
pretty wide (26mm)
built in image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish max aperture (f2.8)
tiny screen (2.7 inches)
low MP (12MP)
sensor is very small (1/2.3")
does not have RAW support
lack of Timelapse mode
70
focusing manually
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
decent sensor resolution (15 megapixels)
good sensor size (APS-C)
supports RAW formats
weather sealing
small screen (2.7")
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Vlogging Comparison

Pentax X90 Vlogging advice
Samsung GX-20 Vlogging advice
23
pretty wide (26mm)
built in image stabilization (Sensor-shift)
sluggish max aperture (f2.8)
screen is not selfie friendly
video resolution low (1280 x 720 pxls)
lack of microphone support
9
lack of video recording
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Pentax X90 vs Samsung GX-20 Specifications

Detailed spec comparison table for Pentax X90 and Samsung GX-20
 Pentax X90Samsung GX-20
General Information
Company Pentax Samsung
Model type Pentax X90 Samsung GX-20
Class Small Sensor Superzoom Advanced DSLR
Released 2010-07-06 2008-01-24
Physical type SLR-like (bridge) Mid-size SLR
Sensor Information
Processor Prime -
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.08 x 4.56mm 23.4 x 15.6mm
Sensor surface area 27.7mm² 365.0mm²
Sensor resolution 12MP 15MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Peak resolution 4000 x 3000 4688 x 3120
Highest native ISO 6400 3200
Highest enhanced ISO - 6400
Lowest native ISO 80 100
RAW images
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 11
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 26-676mm (26.0x) -
Largest aperture f/2.8-5.0 -
Macro focusing range 1cm -
Available lenses - 151
Crop factor 5.9 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen size 2.7" 2.7"
Screen resolution 230k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.64x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate - 3.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance 9.10 m 13.00 m (at ISO 100)
Flash options - Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AEB
White balance bracketing
Max flash synchronize - 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) -
Highest video resolution 1280x720 None
Video file format Motion JPEG -
Microphone support
Headphone support
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 lbs) 800 gr (1.76 lbs)
Physical dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall rating not tested 68
DXO Color Depth rating not tested 23.1
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 714
Other
Battery ID D-L106 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC, Internal SD/MMC/SDHC card
Card slots Single Single
Pricing at release $350 $850