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Pentax X90 vs Samsung ST100

Portability
69
Imaging
35
Features
34
Overall
34
Pentax X90 front
 
Samsung ST100 front
Portability
95
Imaging
37
Features
34
Overall
35

Pentax X90 vs Samsung ST100 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 ST100
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3.5" Fixed Display
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-175mm (F3.6-4.8) lens
  • 155g - 100 x 60 x 20mm
  • Introduced January 2010
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Pentax X90 vs Samsung ST100 Overview

Below is a comprehensive comparison of the Pentax X90 and Samsung ST100, one being a Small Sensor Superzoom and the other is a Ultracompact by competitors Pentax and Samsung. The image resolution of the X90 (12MP) and the ST100 (14MP) is very comparable and they come with the same exact sensor sizing (1/2.3").

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The X90 was released 7 months later than the ST100 so they are both of a similar generation. Each of the cameras offer different body type with the Pentax X90 being a SLR-like (bridge) camera and the Samsung ST100 being a Ultracompact camera.

Before delving in to a more detailed comparison, below is a simple overview of how the X90 grades vs the ST100 in relation to portability, imaging, features and an overall grade.

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Reasons to pick Pentax X90 over the Samsung ST100

 X90 ST100 
IntroducedJuly 2010January 2010More recent by 7 months
Manually focus Very precise focusing

Reasons to pick Samsung ST100 over the Pentax X90

 ST100 X90 
Display sizing3.5"2.7"Larger display (+0.8")
Display resolution1152k230kCrisper display (+922k dot)
Touch friendly display Easily navigate

Common features in the Pentax X90 and Samsung ST100

 X90 ST100 
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen

Pentax X90 vs Samsung ST100 Physical Comparison

If you're planning to lug around your camera frequently, you have to factor its weight and volume. The Pentax X90 provides exterior measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") with a weight of 428 grams (0.94 lbs) while the Samsung ST100 has sizing of 100mm x 60mm x 20mm (3.9" x 2.4" x 0.8") having a weight of 155 grams (0.34 lbs).

Look at the Pentax X90 and Samsung ST100 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are using during that time. Here is the front view size comparison of the X90 versus the ST100.

Pentax X90 vs Samsung ST100 size comparison

Using dimensions and weight, the portability grade of the X90 and ST100 is 69 and 95 respectively.

Pentax X90 vs Samsung ST100 top view buttons comparison

Pentax X90 vs Samsung ST100 Sensor Comparison

Normally, it's hard to visualize the gap in sensor measurements merely by going through a spec sheet. The visual underneath will help provide you a better sense of the sensor sizing in the X90 and ST100.

Clearly, both of the cameras enjoy the same exact sensor sizing but different resolution. You should expect to see the Samsung ST100 to produce extra detail as a result of its extra 2 Megapixels. Greater resolution will also help you crop photos far more aggressively. The more recent X90 provides a benefit when it comes to sensor technology.

Pentax X90 vs Samsung ST100 sensor size comparison

Pentax X90 vs Samsung ST100 Screen and ViewFinder

Pentax X90 vs Samsung ST100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X90 Portrait photography factors
Samsung ST100 Portrait photography factors
29
has manual focus
no external flash support
low megapixels (12MP)
very small sensor size (1/2.3")
lacks RAW format
33
MP count decent (14 megapixels)
includes face detect autofocus
lack of manual focus
manual mode not possible
can't use external flash
tiny sensor size (1/2.3")
no RAW format
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Street Comparison

Pentax X90 Street photography advice
Samsung ST100 Street photography advice
45
has image stabilization (Sensor-shift)
screen does not articulate
very small sensor size (1/2.3")
lacks RAW format
60
image stabilization (Optical)
comes with focus by touch
no moving screen
tiny sensor size (1/2.3")
no RAW format
heavier than competitors (155 grams)
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Sports Comparison

Pentax X90 Sports photography info
Samsung ST100 Sports photography info
42
great zoom range (26-676mm 26.0 x zoom)
has image stabilization (Sensor-shift)
has tracking focus
low megapixels (12MP)
very small sensor size (1/2.3")
lacks phase detect autofocus
35
image stabilization (Optical)
MP count decent (14MP)
low maximum shutter speed (1/1,000s)
no shutter priority mode
tiny sensor size (1/2.3")
no phase detect autofocus
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Travel Comparison

Travel photography with Pentax X90
Travel photography with Samsung ST100
51
built-in flash
relatively wide (26mm)
great zoom (676mm)
no Time Lapse recording
low megapixels (12 megapixels)
display isn't selfie friendly
somewhat slow maximum aperture (f2.8)
60
comes with focus by touch
MP count decent (14MP)
has built in flash
doesn't have Time Lapse recording
heavier than competitors (155 grams)
doesn't contain selfie friendly screen
wide angle not fantastic (35mm)
sluggish maximum aperture (f3.6)
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Landscape Comparison

Landscape photography with Pentax X90
Landscape photography with Samsung ST100
35
has manual focus
relatively wide (26mm)
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f2.8)
tiny screen (2.7")
low megapixels (12MP)
very small sensor size (1/2.3")
lacks RAW format
no Time Lapse recording
37
lovely big screen (3.5")
image stabilization (Optical)
MP count decent (14MP)
lack of manual focus
lens is fixed (fixed lens mount)
wide angle not fantastic (35mm)
sluggish maximum aperture (f3.6)
manual mode not possible
tiny sensor size (1/2.3")
no RAW format
doesn't have Time Lapse recording
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Vlogging Comparison

Pentax X90 as a Vlogging camera
Samsung ST100 as a Vlogging camera
23
relatively wide (26mm)
has image stabilization (Sensor-shift)
somewhat slow maximum aperture (f2.8)
display isn't selfie friendly
low video resolution (1280 x 720 pixels)
no mic port
29
touchscreen enabled
image stabilization (Optical)
includes face detect autofocus
wide angle not fantastic (35mm)
sluggish maximum aperture (f3.6)
doesn't contain selfie friendly screen
video res low (1280 x 720 resolution)
doesn't have mic port
heavier than competitors (155g)
Photography Glossary

Pentax X90 vs Samsung ST100 Specifications

Detailed spec comparison table for Pentax X90 and Samsung ST100
 Pentax X90Samsung ST100
General Information
Brand Name Pentax Samsung
Model type Pentax X90 Samsung ST100
Class Small Sensor Superzoom Ultracompact
Released 2010-07-06 2010-01-06
Body design SLR-like (bridge) Ultracompact
Sensor Information
Processor Chip Prime -
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.08 x 4.56mm 6.17 x 4.55mm
Sensor area 27.7mm² 28.1mm²
Sensor resolution 12MP 14MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3, 3:2 and 16:9
Full resolution 4000 x 3000 4320 x 3240
Max native ISO 6400 3200
Lowest native ISO 80 80
RAW support
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 9 -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 26-676mm (26.0x) 35-175mm (5.0x)
Largest aperture f/2.8-5.0 f/3.6-4.8
Macro focusing range 1cm 5cm
Crop factor 5.9 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7" 3.5"
Resolution of screen 230k dot 1,152k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Electronic None
Features
Slowest shutter speed 4 seconds 8 seconds
Maximum shutter speed 1/4000 seconds 1/1000 seconds
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Integrated flash
Flash distance 9.10 m 3.10 m
Flash options - Auto, On, Off, Red-Eye, Fill-in, Slow Sync
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 1280x720
Video format Motion JPEG Motion JPEG
Mic jack
Headphone jack
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 428 gr (0.94 pounds) 155 gr (0.34 pounds)
Dimensions 111 x 85 x 110mm (4.4" x 3.3" x 4.3") 100 x 60 x 20mm (3.9" x 2.4" x 0.8")
DXO scores
DXO All around 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, Double)
Time lapse shooting
Type of storage SD/SDHC, Internal MicroSD/ MicroSDHC, Internal
Storage slots One One
Launch price $350 $250