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Pentax X90 vs Samsung ST30

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Samsung ST30 front
Portability
98
Imaging
32
Features
18
Overall
26

Pentax X90 vs Samsung ST30 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
  • Revealed July 2010
Samsung ST30
(Full Review)
  • 10MP - 1/3" Sensor
  • 3" Fixed Display
  • ISO 0 - 0
  • 640 x 480 video
  • ()mm (F) lens
  • 87g - 82 x 52 x 17mm
  • Launched January 2011
Photography Glossary

Pentax X90 vs Samsung ST30 Overview

Its time to look more closely at the Pentax X90 versus Samsung ST30, former being a Small Sensor Superzoom while the other is a Ultracompact by competitors Pentax and Samsung. The image resolution of the X90 (12MP) and the ST30 (10MP) is very comparable but the X90 (1/2.3") and ST30 (1/3") have totally different sensor sizes.

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The X90 was unveiled 6 months prior to the ST30 so they are both of a similar age. Each of these cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Samsung ST30 being a Ultracompact camera.

Before going right into a more detailed comparison, here is a quick highlight of how the X90 grades against the ST30 with regard to portability, imaging, features and an overall rating.

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Reasons to pick Pentax X90 over the Samsung ST30

 X90 ST30 
Manually focus Dial precise focus

Reasons to pick Samsung ST30 over the Pentax X90

 ST30 X90 
Display dimensions3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Common features in the Pentax X90 and Samsung ST30

 X90 ST30 
LaunchedJuly 2010January 2011Same age
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch friendly display Neither comes with Touch friendly display

Pentax X90 vs Samsung ST30 Physical Comparison

If you are looking to carry your camera regularly, you need to factor its weight and dimensions. The Pentax X90 comes with external measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") having a weight of 428 grams (0.94 lbs) while the Samsung ST30 has dimensions of 82mm x 52mm x 17mm (3.2" x 2.0" x 0.7") with a weight of 87 grams (0.19 lbs).

Check the Pentax X90 versus Samsung ST30 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary based on the lens you are employing at the time. Below is a front view size comparison of the X90 versus the ST30.

Pentax X90 vs Samsung ST30 size comparison

Considering dimensions and weight, the portability grade of the X90 and ST30 is 69 and 98 respectively.

Pentax X90 vs Samsung ST30 top view buttons comparison

Pentax X90 vs Samsung ST30 Sensor Comparison

Normally, it is very hard to visualise the difference in sensor sizing just by going through specs. The photograph underneath will help give you a stronger sense of the sensor measurements in the X90 and ST30.

As you can plainly see, each of these cameras have different resolutions and different sensor sizing. The X90 with its larger sensor will make shooting bokeh easier and the Pentax X90 will provide extra detail having an extra 2 Megapixels. Greater resolution can also enable you to crop pics a bit more aggressively.

Pentax X90 vs Samsung ST30 sensor size comparison

Pentax X90 vs Samsung ST30 Screen and ViewFinder

Pentax X90 vs Samsung ST30 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax X90
Portrait photography with Samsung ST30
29
focusing manually
cannot use external flash
resolution not great (12MP)
tiny sensor size (1/2.3")
lacks RAW files
19
focusing manually not possible
manual exposure not available
can't use external flash
low resolution (10MP)
very small sensor (1/3")
lacks RAW format
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Street Comparison

Pentax X90 Street photography factors
Samsung ST30 Street photography factors
45
built in image stabilization (Sensor-shift)
no moving screen
tiny sensor size (1/2.3")
lacks RAW files
54
lighter than competition in class (87 grams)
fixed screen
no image stabilization
very small sensor (1/3")
lacks RAW format
max ISO too low (0)
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Sports Comparison

Pentax X90 Sports photography highlights
Samsung ST30 Sports photography highlights
42
long zoom range (26-676mm 26.0 x zoom)
built in image stabilization (Sensor-shift)
includes tracking focus
resolution not great (12 megapixels)
tiny sensor size (1/2.3")
lacks phase detect autofocus
16
fixed focal length (()mm)
no shutter priority
no image stabilization
low resolution (10 megapixels)
very small sensor (1/3")
lacks phase detect auto focus
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Travel Comparison

Pentax X90 Travel photography factors
Samsung ST30 Travel photography factors
51
flash built-in
relatively wide (26mm)
very long reach (676mm)
no Timelapse function
resolution not great (12MP)
display is not selfie friendly
slow maximum aperture (f2.8)
65
lighter than competition in class (87 grams)
has built in flash
great max aperture (f)
doesn't have Timelapse function
low resolution (10MP)
does not have a selfie friendly display
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Landscape Comparison

Landscape photography with Pentax X90
Landscape photography with Samsung ST30
35
focusing manually
relatively wide (26mm)
built in image stabilization (Sensor-shift)
can't change lens (fixed lens mount)
slow maximum aperture (f2.8)
tiny screen (2.7")
resolution not great (12 megapixels)
tiny sensor size (1/2.3")
lacks RAW files
no Timelapse function
30
great max aperture (f)
screen size is good (3 inches)
focusing manually not possible
lens is fixed (fixed lens mount)
fixed focal length (()mm)
manual exposure not available
no image stabilization
low resolution (10 megapixels)
very small sensor (1/3")
max ISO too low (0)
lacks RAW format
doesn't have Timelapse function
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Vlogging Comparison

Pentax X90 Vlogging highlights
Samsung ST30 Vlogging highlights
23
relatively wide (26mm)
built in image stabilization (Sensor-shift)
slow maximum aperture (f2.8)
display is not selfie friendly
low quality video (1280 x 720 resolution)
no microphone port
29
great max aperture (f)
lighter than competition in class (87 grams)
does not have a selfie friendly display
no image stabilization
video quality not great (640 x 480 resolution)
doesn't have external microphone support
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Pentax X90 vs Samsung ST30 Specifications

Detailed spec comparison table for Pentax X90 and Samsung ST30
 Pentax X90Samsung ST30
General Information
Manufacturer Pentax Samsung
Model type Pentax X90 Samsung ST30
Category Small Sensor Superzoom Ultracompact
Revealed 2010-07-06 2011-01-19
Physical type SLR-like (bridge) Ultracompact
Sensor Information
Chip Prime -
Sensor type CCD CCD
Sensor size 1/2.3" 1/3"
Sensor measurements 6.08 x 4.56mm 4.8 x 3.6mm
Sensor area 27.7mm² 17.3mm²
Sensor resolution 12 megapixels 10 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Highest Possible resolution 4000 x 3000 4608 x 3456
Maximum native ISO 6400 -
Min native ISO 80 -
RAW data
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
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 -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 26-676mm (26.0x) ()
Highest aperture f/2.8-5.0 -
Macro focusing distance 1cm -
Focal length multiplier 5.9 7.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 2.7 inches 3 inches
Resolution of display 230 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic None
Features
Min shutter speed 4s 8s
Max shutter speed 1/4000s 1/2000s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash distance 9.10 m -
External flash
AE bracketing
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) 640 x 480
Maximum video resolution 1280x720 640x480
Video format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 428g (0.94 pounds) 87g (0.19 pounds)
Physical dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 82 x 52 x 17mm (3.2" x 2.0" 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 ID D-L106 -
Self timer Yes (2 or 10 sec) -
Time lapse shooting
Type of storage SD/SDHC, Internal -
Card slots 1 1
Retail pricing $350 $55