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Pentax H90 vs Samsung GX-20

Portability
93
Imaging
34
Features
24
Overall
30
Pentax Optio H90 front
 
Samsung GX-20 front
Portability
58
Imaging
53
Features
52
Overall
52

Pentax H90 vs Samsung GX-20 Key Specs

Pentax H90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.5-5.9) lens
  • 153g - 101 x 65 x 28mm
  • Introduced January 2010
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Launched January 2008
  • Succeeded the Samsung GX-10
Photography Glossary

Pentax H90 vs Samsung GX-20 Overview

Let's take a deeper look at the Pentax H90 versus Samsung GX-20, former is a Small Sensor Compact while the latter is a Advanced DSLR by competitors Pentax and Samsung. The resolution of the H90 (12MP) and the GX-20 (15MP) is relatively close but the H90 (1/2.3") and GX-20 (APS-C) boast totally different sensor dimensions.

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The H90 was revealed 2 years after the GX-20 which is a fairly significant difference as far as camera technology is concerned. Both cameras have different body design with the Pentax H90 being a Compact camera and the Samsung GX-20 being a Mid-size SLR camera.

Before getting straight to a more detailed comparison, here is a short highlight of how the H90 grades vs the GX-20 when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Pentax H90 over the Samsung GX-20

 H90 GX-20 
LaunchedJanuary 2010January 2008Newer by 25 months

Reasons to pick Samsung GX-20 over the Pentax H90

 GX-20 H90 

Common features in the Pentax H90 and Samsung GX-20

 H90 GX-20 
Manual focus Very accurate focus
Screen typeFixed Fixed Fixed screen
Screen dimensions2.7"2.7"Equal screen sizing
Screen resolution230k230kIdentical screen resolution
Selfie screen Lacking selfie screen
Touch screen Lacking Touch screen

Pentax H90 vs Samsung GX-20 Physical Comparison

For anybody who is planning to travel with your camera frequently, you should think about its weight and size. The Pentax H90 has exterior dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs) and the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Check the Pentax H90 versus Samsung GX-20 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary depending on the lens you use at the time. Here is a front view sizing comparison of the H90 compared to the GX-20.

Pentax H90 vs Samsung GX-20 size comparison

Looking at dimensions and weight, the portability rating of the H90 and GX-20 is 93 and 58 respectively.

Pentax H90 vs Samsung GX-20 top view buttons comparison

Pentax H90 vs Samsung GX-20 Sensor Comparison

More often than not, it can be hard to envision the gap in sensor dimensions only by researching specifications. The pic here should give you a much better sense of the sensor sizes in the H90 and GX-20.

To sum up, both of the cameras have different megapixel count and different sensor dimensions. The H90 with its smaller sensor will make shooting shallower DOF harder and the Samsung GX-20 will result in extra detail because of its extra 3 Megapixels. Higher resolution will help you crop photographs a bit more aggressively. The newer H90 will have an advantage with regard to sensor innovation.

Pentax H90 vs Samsung GX-20 sensor size comparison

Pentax H90 vs Samsung GX-20 Screen and ViewFinder

Pentax H90 vs Samsung GX-20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax H90 Portrait photography information
Samsung GX-20 Portrait photography information
27
manual focus
manual mode not possible
external flash not possible
resolution not great (12 megapixels)
very small sensor (1/2.3")
does not have RAW support
71
has manual focus
megapixel count decent (15 megapixels)
sensor size is decent (APS-C)
supports RAW files
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Street Comparison

Pentax H90 as a Street photography camera
Samsung GX-20 as a Street photography camera
56
built in image stabilization (Sensor-shift)
no moving screen
very small sensor (1/2.3")
does not have RAW support
65
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
supports RAW files
environment proof
no moving screen
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Sports Comparison

Pentax H90 Sports photography advice
Samsung GX-20 Sports photography advice
31
built in image stabilization (Sensor-shift)
comes with tracking focus
low fps (1.0 frames per second)
no shutter priority
resolution not great (12MP)
very small sensor (1/2.3")
does not have phase detect AF
68
built in image stabilization (Sensor based)
megapixel count decent (15MP)
sensor size is decent (APS-C)
environment proof
comes with phase detect AF
low fps (3.0 frames/s)
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Travel Comparison

Pentax H90 Travel photography details
Samsung GX-20 Travel photography details
57
flash built-in
quite wide (28mm)
no Time Lapse recording
resolution not great (12MP)
display is not selfie friendly
somewhat slow maximum aperture (f3.5)
63
environment proof
megapixel count decent (15 megapixels)
flash built-in
does not posses selfie friendly screen
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Landscape Comparison

Pentax H90 Landscape photography info
Samsung GX-20 Landscape photography info
36
manual focus
quite wide (28mm)
built in image stabilization (Sensor-shift)
can't change lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
screen is small (2.7")
manual mode not possible
resolution not great (12 megapixels)
very small sensor (1/2.3")
does not have RAW support
no Time Lapse recording
70
has manual focus
swap lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
megapixel count decent (15MP)
sensor size is decent (APS-C)
supports RAW files
environment proof
small screen (2.7 inches)
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Vlogging Comparison

Pentax H90 as a Vlogging camera
Samsung GX-20 as a Vlogging camera
28
quite wide (28mm)
built in image stabilization (Sensor-shift)
somewhat slow maximum aperture (f3.5)
display is not selfie friendly
low res video (1280 x 720 pixels)
no mic socket
9
lack of video recording
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Pentax H90 vs Samsung GX-20 Specifications

Detailed spec comparison table for Pentax H90 and Samsung GX-20
 Pentax Optio H90Samsung GX-20
General Information
Company Pentax Samsung
Model Pentax Optio H90 Samsung GX-20
Category Small Sensor Compact Advanced DSLR
Introduced 2010-01-25 2008-01-24
Physical type Compact Mid-size SLR
Sensor Information
Processor Prime -
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.4 x 15.6mm
Sensor surface area 28.1mm² 365.0mm²
Sensor resolution 12 megapixel 15 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 -
Max resolution 4000 x 3000 4688 x 3120
Max native ISO 6400 3200
Max enhanced ISO - 6400
Lowest native ISO 80 100
RAW photos
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 9 11
Lens
Lens mounting type fixed lens Pentax KAF2
Lens focal range 28-140mm (5.0x) -
Maximal aperture f/3.5-5.9 -
Macro focus range 10cm -
Available lenses - 151
Focal length multiplier 5.8 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 2.7 inches 2.7 inches
Resolution of screen 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Min shutter speed 4s 30s
Max shutter speed 1/2000s 1/4000s
Continuous shutter rate 1.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash range 4.00 m 13.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-eye, Soft Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AE bracketing
WB bracketing
Max flash synchronize - 1/180s
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) -
Max video resolution 1280x720 None
Video format Motion JPEG -
Mic 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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 153g (0.34 pounds) 800g (1.76 pounds)
Physical dimensions 101 x 65 x 28mm (4.0" x 2.6" x 1.1") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall score not tested 68
DXO Color Depth score not tested 23.1
DXO Dynamic range score not tested 11.2
DXO Low light score not tested 714
Other
Battery model D-LI68 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC, Internal SD/MMC/SDHC card
Card slots Single Single
Pricing at release $150 $850