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Pentax K-x vs Sony H90

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Cyber-shot DSC-H90 front
Portability
91
Imaging
39
Features
35
Overall
37

Pentax K-x vs Sony H90 Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Raise to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Announced December 2009
Sony H90
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 24-384mm (F3.3-5.9) lens
  • 222g - 105 x 60 x 34mm
  • Revealed February 2012
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Pentax K-x vs Sony H90 Overview

In this article, we will be comparing the Pentax K-x versus Sony H90, one is a Entry-Level DSLR and the latter is a Small Sensor Superzoom by brands Pentax and Sony. There is a big difference among the resolutions of the K-x (12MP) and H90 (16MP) and the K-x (APS-C) and H90 (1/2.3") come with totally different sensor size.

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The K-x was unveiled 3 years earlier than the H90 which is a fairly big gap as far as camera tech is concerned. Both cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony H90 being a Compact camera.

Before delving in to a comprehensive comparison, below is a concise summation of how the K-x grades versus the H90 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-x over the Sony H90

 K-x H90 
Manual focus Very accurate focus

Reasons to pick Sony H90 over the Pentax K-x

 H90 K-x 
RevealedFebruary 2012December 2009Newer by 26 months
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution461k230kCrisper screen (+231k dot)

Common features in the Pentax K-x and Sony H90

 K-x H90 
Screen typeFixed Fixed Fixed screen
Selfie screen Neither offers selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax K-x vs Sony H90 Physical Comparison

If you are planning to travel with your camera regularly, you are going to need to factor in its weight and size. The Pentax K-x offers exterior measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Sony H90 has specifications of 105mm x 60mm x 34mm (4.1" x 2.4" x 1.3") having a weight of 222 grams (0.49 lbs).

See the Pentax K-x versus Sony H90 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that moment. Here is the front view sizing comparison of the K-x and the H90.

Pentax K-x vs Sony H90 size comparison

Considering size and weight, the portability grade of the K-x and H90 is 69 and 91 respectively.

Pentax K-x vs Sony H90 top view buttons comparison

Pentax K-x vs Sony H90 Sensor Comparison

Usually, it's tough to see the gap in sensor dimensions simply by researching a spec sheet. The picture below may give you a stronger sense of the sensor sizing in the K-x and H90.

Clearly, the 2 cameras offer different megapixel count and different sensor dimensions. The K-x having a bigger sensor will make shooting bokeh simpler and the Sony H90 will render greater detail having an extra 4 Megapixels. Higher resolution can also make it easier to crop photographs a little more aggressively. The more aged K-x will be behind with regard to sensor innovation.

Pentax K-x vs Sony H90 sensor size comparison

Pentax K-x vs Sony H90 Screen and ViewFinder

Pentax K-x vs Sony H90 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x Portrait photography features
Sony H90 Portrait photography features
63
focusing manually
sensor size is decent (APS-C)
features face detection focusing
delivers RAW formats
low resolution sensor (12MP)
36
sensor resolution is decent (16MP)
features face detection autofocus
focusing manually not possible
external flash not possible
sensor size is very small (1/2.3")
lack of RAW files
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Street Comparison

Pentax K-x Street photography factors
Sony H90 Street photography factors
67
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
no articulating screen
61
image stabilization (Optical)
lighter than competitors (222g)
no moving screen
sensor size is very small (1/2.3")
lack of RAW files
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Sports Comparison

Pentax K-x Sports photography info
Sony H90 Sports photography info
61
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
good battery life (1,900 per charge)
has phase detect AF
low fps (5.0 frames per second)
low resolution sensor (12 megapixels)
44
great zoom range (24-384mm 16.0 x zoom)
image stabilization (Optical)
sensor resolution is decent (16MP)
features tracking autofocus
max frames per second low (1.0 frames/s)
no shutter priority mode
sensor size is very small (1/2.3")
lack of phase detect autofocus
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Travel Comparison

Pentax K-x Travel photography info
Sony H90 Travel photography info
54
good battery life (1,900 per charge)
flash built-in
doesn't have Timelapse function
low resolution sensor (12 megapixels)
does not have a selfie friendly screen
69
lighter than competitors (222g)
sensor resolution is decent (16MP)
built-in flash
reasonably wide (24mm)
very long zoom (384mm)
lack of Time Lapse mode
does not have selfie friendly screen
slow max aperture (f3.3)
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Landscape Comparison

Pentax K-x Landscape photography factors
Sony H90 Landscape photography factors
61
focusing manually
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
good battery life (1,900 shots)
screen is somewhat small (2.7 inches)
low resolution sensor (12 megapixels)
doesn't have Timelapse function
44
reasonably wide (24mm)
nice screen size (3 inches)
image stabilization (Optical)
sensor resolution is decent (16 megapixels)
focusing manually not possible
lens is fixed (fixed lens mount)
slow max aperture (f3.3)
sensor size is very small (1/2.3")
lack of RAW files
lack of Time Lapse mode
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Vlogging Comparison

Pentax K-x as a Vlogging camera
Sony H90 as a Vlogging camera
27
built in image stabilization (Sensor based)
features face detection focusing
does not have a selfie friendly screen
low res video (1280 x 720 pxls)
doesn't have external microphone support
32
reasonably wide (24mm)
image stabilization (Optical)
features face detection autofocus
lighter than competitors (222g)
slow max aperture (f3.3)
does not have selfie friendly screen
low quality video (1280 x 720 pxls)
lack of external mic port
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Pentax K-x vs Sony H90 Specifications

Detailed spec comparison table for Pentax K-x and Sony H90
 Pentax K-xSony Cyber-shot DSC-H90
General Information
Brand Name Pentax Sony
Model Pentax K-x Sony Cyber-shot DSC-H90
Class Entry-Level DSLR Small Sensor Superzoom
Announced 2009-12-23 2012-02-28
Body design Compact SLR Compact
Sensor Information
Chip Prime BIONZ
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.6 x 15.8mm 6.17 x 4.55mm
Sensor area 372.9mm² 28.1mm²
Sensor resolution 12 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 3:2 4:3 and 16:9
Highest Possible resolution 4288 x 2848 4608 x 3456
Maximum native ISO 6400 3200
Maximum enhanced ISO 12800 -
Min native ISO 100 80
RAW format
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 -
Cross focus points - -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 24-384mm (16.0x)
Largest aperture - f/3.3-5.9
Macro focus range - 5cm
Amount of lenses 151 -
Focal length multiplier 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7 inches 3 inches
Resolution of screen 230 thousand dot 461 thousand dot
Selfie friendly
Liveview
Touch function
Screen technology TFT LCD monitor ClearPhoto TFT LCD display
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/1600 secs
Continuous shutter speed 5.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 16.00 m 3.70 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, On, Off, Slow Sync
Hot shoe
AEB
WB bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 416 (24 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1280x720 1280x720
Video file format Motion JPEG MPEG-4
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580g (1.28 lbs) 222g (0.49 lbs)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 105 x 60 x 34mm (4.1" x 2.4" x 1.3")
DXO scores
DXO Overall score 72 not tested
DXO Color Depth score 22.8 not tested
DXO Dynamic range score 12.5 not tested
DXO Low light score 811 not tested
Other
Battery life 1900 photos 290 photos
Type of battery Battery Pack Battery Pack
Battery model 4 x AA NP-BG1
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Type of storage SD/SDHC card SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots Single Single
Price at release $600 $230