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Pentax K20D vs Sony WX150

Portability
59
Imaging
53
Features
52
Overall
52
Pentax K20D front
 
Sony Cyber-shot DSC-WX150 front
Portability
95
Imaging
41
Features
43
Overall
41

Pentax K20D vs Sony WX150 Key Specs

Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Revealed June 2008
  • Older Model is Pentax K10D
Sony WX150
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-250mm (F3.3-5.9) lens
  • 133g - 95 x 56 x 22mm
  • Revealed February 2012
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Pentax K20D vs Sony WX150 Overview

The following is a thorough assessment of the Pentax K20D and Sony WX150, former is a Advanced DSLR while the other is a Small Sensor Compact by rivals Pentax and Sony. The resolution of the K20D (15MP) and the WX150 (18MP) is fairly well matched but the K20D (APS-C) and WX150 (1/2.3") come with totally different sensor dimensions.

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The K20D was announced 4 years earlier than the WX150 which is quite a large difference as far as tech is concerned. The two cameras offer different body type with the Pentax K20D being a Mid-size SLR camera and the Sony WX150 being a Compact camera.

Before diving through a in depth comparison, below is a concise view of how the K20D matches up against the WX150 when considering portability, imaging, features and an overall mark.

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Reasons to pick Pentax K20D over the Sony WX150

 K20D WX150 
Manually focus More accurate focus

Reasons to pick Sony WX150 over the Pentax K20D

 WX150 K20D 
RevealedFebruary 2012June 2008Newer by 44 months
Display sizing3"2.7"Larger display (+0.3")
Display resolution461k230kCrisper display (+231k dot)

Common features in the Pentax K20D and Sony WX150

 K20D WX150 
Display typeFixed Fixed Fixed display
Selfie screen Neither includes selfie screen
Touch display Neither includes Touch display

Pentax K20D vs Sony WX150 Physical Comparison

If you're planning to travel with your camera frequently, you'll need to consider its weight and volume. The Pentax K20D features outside dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) while the Sony WX150 has sizing of 95mm x 56mm x 22mm (3.7" x 2.2" x 0.9") along with a weight of 133 grams (0.29 lbs).

Check the Pentax K20D and Sony WX150 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ depending on the lens you are employing at the time. Underneath is the front view physical size comparison of the K20D and the WX150.

Pentax K20D vs Sony WX150 size comparison

Considering size and weight, the portability grade of the K20D and WX150 is 59 and 95 respectively.

Pentax K20D vs Sony WX150 top view buttons comparison

Pentax K20D vs Sony WX150 Sensor Comparison

In many cases, it's difficult to envision the contrast between sensor dimensions merely by reading through specifications. The pic underneath should provide you a much better sense of the sensor sizes in the K20D and WX150.

Plainly, each of the cameras enjoy different megapixel count and different sensor dimensions. The K20D having a larger sensor will make achieving shallow DOF less difficult and the Sony WX150 will give you greater detail with its extra 3MP. Greater resolution will let you crop pics far more aggressively. The more aged K20D is going to be disadvantaged in sensor innovation.

Pentax K20D vs Sony WX150 sensor size comparison

Pentax K20D vs Sony WX150 Screen and ViewFinder

Pentax K20D vs Sony WX150 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D as a Portrait photography camera
Sony WX150 as a Portrait photography camera
71
has manual focus
good MP (15 megapixels)
sensor size is nice (APS-C)
delivers RAW formats
37
decent MP (18MP)
includes face detect focus
lack of manual focus
external flash not possible
very small sensor size (1/2.3")
lacks RAW support
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Street Comparison

Pentax K20D Street photography advice
Sony WX150 Street photography advice
65
has image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW formats
weather proof
no articulating screen
63
image stabilization (Optical)
lighter than average (133g)
no moving screen
very small sensor size (1/2.3")
lacks RAW support
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Sports Comparison

Sports photography with Pentax K20D
Sports photography with Sony WX150
68
has image stabilization (Sensor based)
good MP (15 megapixels)
sensor size is nice (APS-C)
weather proof
comes with phase detect AF
slow fps (3.0 fps)
45
image stabilization (Optical)
decent MP (18MP)
includes tracking focus
lack of shutter priority mode
very small sensor size (1/2.3")
lacks phase detect auto focus
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Travel Comparison

Travel photography with Pentax K20D
Travel photography with Sony WX150
64
weather proof
good MP (15 megapixels)
flash built-in
display is not selfie friendly
71
lighter than average (133 grams)
decent MP (18MP)
has built in flash
reasonably wide (25mm)
very long reach (250mm)
no Timelapse mode
screen is not selfie friendly
sluggish maximum aperture (f3.3)
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Landscape Comparison

Landscape photography with Pentax K20D
Landscape photography with Sony WX150
70
has manual focus
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
good MP (15MP)
sensor size is nice (APS-C)
delivers RAW formats
weather proof
small screen (2.7 inch)
45
reasonably wide (25mm)
screen size is good (3 inches)
image stabilization (Optical)
decent MP (18MP)
lack of manual focus
lens is fixed (fixed lens mount)
sluggish maximum aperture (f3.3)
very small sensor size (1/2.3")
lacks RAW support
no Timelapse mode
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Vlogging Comparison

Vlogging with Pentax K20D
Vlogging with Sony WX150
9
can't shoot video
35
reasonably wide (25mm)
image stabilization (Optical)
includes face detect focus
great video quality (1920 x 1080 resolution)
lighter than average (133g)
sluggish maximum aperture (f3.3)
screen is not selfie friendly
no microphone port
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Pentax K20D vs Sony WX150 Specifications

Detailed spec comparison table for Pentax K20D and Sony WX150
 Pentax K20DSony Cyber-shot DSC-WX150
General Information
Make Pentax Sony
Model type Pentax K20D Sony Cyber-shot DSC-WX150
Class Advanced DSLR Small Sensor Compact
Revealed 2008-06-25 2012-02-28
Body design Mid-size SLR Compact
Sensor Information
Processor Chip - BIONZ
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor measurements 23.4 x 15.6mm 6.17 x 4.55mm
Sensor surface area 365.0mm² 28.1mm²
Sensor resolution 15 megapixel 18 megapixel
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Full resolution 4672 x 3104 4896 x 3672
Max native ISO 3200 12800
Max boosted ISO 6400 -
Minimum native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 9
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 25-250mm (10.0x)
Highest aperture - f/3.3-5.9
Macro focusing range - 5cm
Total lenses 151 -
Crop factor 1.5 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7" 3"
Screen resolution 230k dot 461k dot
Selfie friendly
Liveview
Touch capability
Screen tech - ClearPhoto TFT LCD display
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/1600 seconds
Continuous shooting speed 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) 3.70 m
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
WB bracketing
Highest flash sync 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution None 1920x1080
Video data format - MPEG-4, AVCHD
Microphone jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
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 800 gr (1.76 lbs) 133 gr (0.29 lbs)
Dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 95 x 56 x 22mm (3.7" x 2.2" x 0.9")
DXO scores
DXO All around rating 65 not tested
DXO Color Depth rating 22.9 not tested
DXO Dynamic range rating 11.1 not tested
DXO Low light rating 639 not tested
Other
Battery life - 240 photos
Battery form - Battery Pack
Battery ID D-LI50 NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Type of storage SD/MMC/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Single
Price at launch $700 $300