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Ricoh PX vs Samsung ST90

Portability
95
Imaging
39
Features
36
Overall
37
Ricoh PX front
 
Samsung ST90 front
Portability
99
Imaging
37
Features
19
Overall
29

Ricoh PX vs Samsung ST90 Key Specs

Ricoh PX
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.4) lens
  • 156g - 100 x 55 x 21mm
  • Revealed August 2011
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
  • Introduced January 2011
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Ricoh PX vs Samsung ST90 Overview

Lets take a deeper look at the Ricoh PX versus Samsung ST90, former being a Small Sensor Compact while the other is a Ultracompact by rivals Ricoh and Samsung. The sensor resolution of the PX (16MP) and the ST90 (14MP) is fairly close and they come with the same exact sensor sizes (1/2.3").

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The PX was released 7 months later than the ST90 so they are both of a similar age. The two cameras offer different body type with the Ricoh PX being a Compact camera and the Samsung ST90 being a Ultracompact camera.

Before delving through a detailed comparison, below is a simple overview of how the PX scores against the ST90 with regards to portability, imaging, features and an overall grade.

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Reasons to pick Ricoh PX over the Samsung ST90

 PX ST90 
IntroducedAugust 2011January 2011More recent by 7 months
Manually focus More exact focusing

Reasons to pick Samsung ST90 over the Ricoh PX

 ST90 PX 
Display sizing3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Common features in the Ricoh PX and Samsung ST90

 PX ST90 
Display typeFixed Fixed Fixed display
Selfie screen No selfie screen
Touch display No Touch display

Ricoh PX vs Samsung ST90 Physical Comparison

If you're intending to lug around your camera, you will need to take into account its weight and size. The Ricoh PX comes with exterior measurements of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") along with a weight of 156 grams (0.34 lbs) while the Samsung ST90 has specifications of 92mm x 53mm x 17mm (3.6" x 2.1" x 0.7") and a weight of n/a grams (0.00 lbs).

Check out the Ricoh PX versus Samsung ST90 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary depending on the lens you have chosen at that time. Underneath is the front view over all size comparison of the PX and the ST90.

Ricoh PX vs Samsung ST90 size comparison

Factoring in dimensions and weight, the portability score of the PX and ST90 is 95 and 99 respectively.

Ricoh PX vs Samsung ST90 top view buttons comparison

Ricoh PX vs Samsung ST90 Sensor Comparison

Sometimes, it is tough to picture the contrast in sensor measurements just by researching specifications. The photograph below will help provide you a better sense of the sensor sizing in the PX and ST90.

Plainly, the two cameras enjoy the same exact sensor sizing but different megapixels. You can anticipate the Ricoh PX to result in greater detail as a result of its extra 2MP. Greater resolution can also enable you to crop pics far more aggressively. The fresher PX provides a benefit in sensor tech.

Ricoh PX vs Samsung ST90 sensor size comparison

Ricoh PX vs Samsung ST90 Screen and ViewFinder

Ricoh PX vs Samsung ST90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh PX Portrait photography features
Samsung ST90 Portrait photography features
43
manual focus
decent megapixels (16 megapixels)
has face detect autofocus
cannot use external flash
very small sensor (1/2.3")
has no RAW files
28
decent megapixels (14 megapixels)
no manual focus
no manual control
can't use external flash
sensor is small (1/2.3")
lacks RAW format
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Street Comparison

Ricoh PX Street photography advice
Samsung ST90 Street photography advice
63
built in image stabilization (Sensor-shift)
environment sealing
no articulating screen
very small sensor (1/2.3")
has no RAW files
49
no articulating screen
lack of image stabilization
sensor is small (1/2.3")
lacks RAW format
low maximum ISO (0)
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Sports Comparison

Ricoh PX as a Sports photography camera
Samsung ST90 as a Sports photography camera
44
built in image stabilization (Sensor-shift)
decent megapixels (16MP)
has tracking focus
environment sealing
continuous shooting slow (1.0 fps)
no shutter priority mode
very small sensor (1/2.3")
has no phase detect autofocus
26
decent megapixels (14 megapixels)
fixed focal length (()mm)
no shutter priority mode
lack of image stabilization
sensor is small (1/2.3")
lacks phase detect AF
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Travel Comparison

Ricoh PX Travel photography info
Samsung ST90 Travel photography info
68
environment sealing
decent megapixels (16 megapixels)
has built in flash
rather wide (28mm)
doesn't have Timelapse recording
does not posses selfie friendly screen
sluggish max aperture (f3.9)
71
decent megapixels (14 megapixels)
has built in flash
fast max aperture (f)
no Timelapse mode
screen isn't selfie friendly
Photography Glossary

Landscape Comparison

Ricoh PX as a Landscape photography camera
Samsung ST90 as a Landscape photography camera
47
manual focus
rather wide (28mm)
built in image stabilization (Sensor-shift)
decent megapixels (16 megapixels)
environment sealing
fixed lens (fixed lens mount)
sluggish max aperture (f3.9)
screen is small (2.7 inch)
very small sensor (1/2.3")
has no RAW files
doesn't have Timelapse recording
37
fast max aperture (f)
screen size is good (3 inches)
decent megapixels (14 megapixels)
no manual focus
fixed lens (fixed lens mount)
fixed focal length (()mm)
no manual control
lack of image stabilization
sensor is small (1/2.3")
low maximum ISO (0)
lacks RAW format
no Timelapse mode
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Vlogging Comparison

Ricoh PX Vlogging highlights
Samsung ST90 Vlogging highlights
31
rather wide (28mm)
built in image stabilization (Sensor-shift)
has face detect autofocus
sluggish max aperture (f3.9)
does not posses selfie friendly screen
video quality not great (1280 x 720 resolution)
doesn't have microphone support
27
fast max aperture (f)
screen isn't selfie friendly
lack of image stabilization
video resolution low (1280 x 720 pixels)
no microphone socket
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Ricoh PX vs Samsung ST90 Specifications

Detailed spec comparison table for Ricoh PX and Samsung ST90
 Ricoh PXSamsung ST90
General Information
Make Ricoh Samsung
Model Ricoh PX Samsung ST90
Class Small Sensor Compact Ultracompact
Revealed 2011-08-16 2011-01-19
Physical type Compact Ultracompact
Sensor Information
Processor Smooth Imaging Engine IV -
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.16 x 4.62mm
Sensor surface area 28.1mm² 28.5mm²
Sensor resolution 16MP 14MP
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 -
Max resolution 4608 x 3072 4608 x 3456
Max native ISO 3200 -
Lowest native ISO 100 -
RAW pictures
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-140mm (5.0x) ()
Maximum aperture f/3.9-5.4 -
Macro focus distance 3cm -
Focal length multiplier 5.8 5.8
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.7 inches 3 inches
Screen resolution 230k dots 460k dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 8 seconds 8 seconds
Fastest shutter speed 1/2000 seconds 1/2000 seconds
Continuous shutter rate 1.0 frames/s -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash range 3.50 m -
Flash options Auto, On, Off, Red-Eye, Slow Sync -
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30fps) 1280 x 720
Max video resolution 1280x720 1280x720
Video file format Motion JPEG -
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 156 grams (0.34 lbs) -
Dimensions 100 x 55 x 21mm (3.9" x 2.2" x 0.8") 92 x 53 x 17mm (3.6" x 2.1" x 0.7")
DXO scores
DXO Overall 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 model DB-100 -
Self timer Yes (2, 10 or Custom) -
Time lapse feature
Storage type SD/SDHC card, Internal -
Card slots 1 1
Launch pricing $329 $150