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Pentax WG-3 vs Samsung ST90

Portability
90
Imaging
40
Features
44
Overall
41
Pentax WG-3 front
 
Samsung ST90 front
Portability
99
Imaging
37
Features
19
Overall
29

Pentax WG-3 vs Samsung ST90 Key Specs

Pentax WG-3
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 25-100mm (F2.0-4.9) lens
  • 230g - 124 x 64 x 33mm
  • Released July 2013
Samsung ST90
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 0 - 0
  • 1280 x 720 video
  • ()mm (F) lens
  • n/ag - 92 x 53 x 17mm
  • Launched January 2011
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Pentax WG-3 vs Samsung ST90 Overview

Below is a extensive analysis of the Pentax WG-3 and Samsung ST90, former being a Waterproof while the other is a Ultracompact by manufacturers Pentax and Samsung. The sensor resolution of the WG-3 (16MP) and the ST90 (14MP) is very similar and they use the exact same sensor sizes (1/2.3").

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The WG-3 was introduced 2 years later than the ST90 and that is quite a serious difference as far as technology is concerned. Both of the cameras come with different body type with the Pentax WG-3 being a Compact camera and the Samsung ST90 being a Ultracompact camera.

Before going through a detailed comparison, below is a quick overview of how the WG-3 grades against the ST90 in regards to portability, imaging, features and an overall grade.

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Reasons to pick Pentax WG-3 over the Samsung ST90

 WG-3 ST90 
LaunchedJuly 2013January 2011More recent by 31 months
Focus manually More accurate focus

Reasons to pick Samsung ST90 over the Pentax WG-3

 ST90 WG-3 

Common features in the Pentax WG-3 and Samsung ST90

 WG-3 ST90 
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display dimensions
Display resolution460k460kExact same display resolution
Selfie screen Neither contains selfie screen
Touch display Neither contains Touch display

Pentax WG-3 vs Samsung ST90 Physical Comparison

For anybody who is aiming to lug around your camera regularly, you'll have to think about its weight and volume. The Pentax WG-3 has got external dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 230 grams (0.51 lbs) whilst the Samsung ST90 has sizing of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") having a weight of n/a grams (0.00 lbs).

Check the Pentax WG-3 and Samsung ST90 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change based on the lens you have chosen at that time. Following is the front view measurement comparison of the WG-3 and the ST90.

Pentax WG-3 vs Samsung ST90 size comparison

Looking at dimensions and weight, the portability score of the WG-3 and ST90 is 90 and 99 respectively.

Pentax WG-3 vs Samsung ST90 top view buttons comparison

Pentax WG-3 vs Samsung ST90 Sensor Comparison

Quite often, it's hard to picture the difference between sensor measurements merely by reviewing technical specs. The graphic here may provide you a clearer sense of the sensor dimensions in the WG-3 and ST90.

As you can tell, both cameras posses the exact same sensor measurements but different MP. You can expect to see the Pentax WG-3 to deliver more detail using its extra 2 Megapixels. Greater resolution can also make it easier to crop pics somewhat more aggressively. The newer WG-3 should have a benefit when it comes to sensor tech.

Pentax WG-3 vs Samsung ST90 sensor size comparison

Pentax WG-3 vs Samsung ST90 Screen and ViewFinder

Pentax WG-3 vs Samsung ST90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax WG-3 as a Portrait photography camera
Samsung ST90 as a Portrait photography camera
41
manual focus
decent MP (16MP)
provides face detect focus
no manual control
external flash not possible
sensor size is small (1/2.3")
no RAW support
28
MP count decent (14 megapixels)
focusing manually not possible
manual exposure not possible
can't use external flash
sensor is small (1/2.3")
lacks RAW files
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Street Comparison

Pentax WG-3 Street photography factors
Samsung ST90 Street photography factors
61
has image stabilization (Sensor-shift)
environment sealing
no moving screen
sensor size is small (1/2.3")
no RAW support
49
no articulating screen
does not have image stabilization
sensor is small (1/2.3")
lacks RAW files
max ISO too low (0)
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Sports Comparison

Pentax WG-3 Sports photography details
Samsung ST90 Sports photography details
45
has image stabilization (Sensor-shift)
decent MP (16 megapixels)
provides tracking focus
environment sealing
no shutter priority
sensor size is small (1/2.3")
bad battery power (240 per charge)
no phase detect auto focus
26
MP count decent (14 megapixels)
focal length is fixed (()mm)
lack of shutter priority mode
does not have image stabilization
sensor is small (1/2.3")
lacks phase detect AF
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Travel Comparison

Pentax WG-3 Travel photography features
Samsung ST90 Travel photography features
72
environment sealing
decent MP (16 megapixels)
flash built-in
reasonably wide (25mm)
good max aperture (f2.0)
bad battery power (240 shots)
doesn't contain selfie friendly screen
71
MP count decent (14MP)
flash built-in
fast maximum aperture (f)
doesn't have Timelapse recording
doesn't have a selfie friendly screen
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Landscape Comparison

Pentax WG-3 Landscape photography features
Samsung ST90 Landscape photography features
54
manual focus
reasonably wide (25mm)
good max aperture (f2.0)
decent sized screen (3 inch)
has image stabilization (Sensor-shift)
decent MP (16MP)
environment sealing
cannot swap lenses (fixed lens mount)
no manual control
sensor size is small (1/2.3")
no RAW support
bad battery power (240 CIPA)
37
fast maximum aperture (f)
nice screen size (3")
MP count decent (14MP)
focusing manually not possible
lens is fixed (fixed lens mount)
focal length is fixed (()mm)
manual exposure not possible
does not have image stabilization
sensor is small (1/2.3")
max ISO too low (0)
lacks RAW files
doesn't have Timelapse recording
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Vlogging Comparison

Pentax WG-3 Vlogging features
Samsung ST90 Vlogging features
36
reasonably wide (25mm)
good max aperture (f2.0)
has image stabilization (Sensor-shift)
provides face detect focus
video resolution high (1920 x 1080 pixels)
doesn't contain selfie friendly screen
no mic jack
27
fast maximum aperture (f)
doesn't have a selfie friendly screen
does not have image stabilization
video quality not great (1280 x 720 pxls)
doesn't have microphone socket
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Pentax WG-3 vs Samsung ST90 Specifications

Detailed spec comparison table for Pentax WG-3 and Samsung ST90
 Pentax WG-3Samsung ST90
General Information
Brand Pentax Samsung
Model Pentax WG-3 Samsung ST90
Category Waterproof Ultracompact
Released 2013-07-19 2011-01-19
Physical type Compact Ultracompact
Sensor Information
Sensor type BSI-CMOS CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.16 x 4.62mm
Sensor area 28.1mm² 28.5mm²
Sensor resolution 16 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 -
Full resolution 4608 x 3456 4608 x 3456
Max native ISO 6400 -
Min native ISO 125 -
RAW pictures
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 9 -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 25-100mm (4.0x) ()
Largest aperture f/2.0-4.9 -
Macro focus distance 1cm -
Crop factor 5.8 5.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3" 3"
Resolution of screen 460 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch function
Screen tech Widescreen TFT color LCD with anti-reflective coating -
Viewfinder Information
Viewfinder type None None
Features
Lowest shutter speed 4 seconds 8 seconds
Highest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 10.0 frames/s -
Shutter priority
Aperture priority
Expose Manually
Set white balance
Image stabilization
Built-in flash
Flash range 3.40 m -
Flash settings Auto, On, Off, Red-eye, Soft -
External flash
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps) 1280 x 720
Max video resolution 1920x1080 1280x720
Video file format MPEG-4, H.264 -
Microphone port
Headphone port
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 230 grams (0.51 lb) -
Dimensions 124 x 64 x 33mm (4.9" x 2.5" x 1.3") 92 x 53 x 17mm (3.6" x 2.1" x 0.7")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 240 images -
Battery type Battery Pack -
Battery model D-LI92 -
Self timer Yes (2 or 10 sec) -
Time lapse feature
Type of storage SD/SDHC/SDXC card, Internal -
Card slots Single Single
Cost at launch $300 $150