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Pentax K-x vs Sony W800

Portability
69
Imaging
51
Features
47
Overall
49
Pentax K-x front
 
Sony Cyber-shot DSC-W800 front
Portability
96
Imaging
44
Features
29
Overall
38

Pentax K-x vs Sony W800 Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 6400 (Boost 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 W800
(Full Review)
  • 20MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 26-130mm (F3.2-6.4) lens
  • 125g - 97 x 55 x 21mm
  • Announced February 2014
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Pentax K-x vs Sony W800 Overview

Its time to examine more closely at the Pentax K-x vs Sony W800, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by manufacturers Pentax and Sony. There exists a big gap between the sensor resolutions of the K-x (12MP) and W800 (20MP) and the K-x (APS-C) and W800 (1/2.3") use different sensor measurements.

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The K-x was revealed 5 years earlier than the W800 and that is quite a big gap as far as technology is concerned. Both the cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony W800 being a Compact camera.

Before getting through a in-depth comparison, below is a concise summation of how the K-x scores vs the W800 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-x over the Sony W800

 K-x W800 
Focus manually Dial accurate focus

Reasons to pick Sony W800 over the Pentax K-x

 W800 K-x 
AnnouncedFebruary 2014December 2009Fresher by 50 months

Common features in the Pentax K-x and Sony W800

 K-x W800 
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen measurements
Screen resolution230k230kEqual screen resolution
Selfie screen Neither provides selfie screen
Touch screen Neither provides Touch screen

Pentax K-x vs Sony W800 Physical Comparison

When you are going to carry your camera, you need to factor in its weight and measurements. The Pentax K-x provides physical 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 W800 has proportions of 97mm x 55mm x 21mm (3.8" x 2.2" x 0.8") with a weight of 125 grams (0.28 lbs).

Look at the Pentax K-x vs Sony W800 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using during that time. Underneath is the front view measurements comparison of the K-x versus the W800.

Pentax K-x vs Sony W800 size comparison

Using dimensions and weight, the portability rating of the K-x and W800 is 69 and 96 respectively.

Pentax K-x vs Sony W800 top view buttons comparison

Pentax K-x vs Sony W800 Sensor Comparison

Quite often, it is tough to imagine the contrast between sensor sizing just by going over technical specs. The photograph below should provide you a clearer sense of the sensor measurements in the K-x and W800.

As you can tell, both of those cameras offer different resolutions and different sensor sizing. The K-x using its bigger sensor is going to make getting shallower DOF less difficult and the Sony W800 will offer you greater detail because of its extra 8MP. Higher resolution will also make it easier to crop pictures a little more aggressively. The older K-x is going to be disadvantaged in sensor technology.

Pentax K-x vs Sony W800 sensor size comparison

Pentax K-x vs Sony W800 Screen and ViewFinder

Pentax K-x vs Sony W800 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x Portrait photography highlights
Sony W800 Portrait photography highlights
62
manual focus
decent sensor size (APS-C)
comes with face detection autofocus
supports RAW files
low MP (12 megapixels)
37
MP count decent (20 megapixels)
includes face detect focusing
no manual focus
manual mode not available
can't use external flash
sensor size is tiny (1/2.3")
lack of RAW format
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Street Comparison

Pentax K-x Street photography info
Sony W800 Street photography info
67
image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
screen is fixed
64
has image stabilization (Optical)
lighter than competition (125 grams)
no moving screen
sensor size is tiny (1/2.3")
lack of RAW format
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Sports Comparison

Pentax K-x Sports photography advice
Sony W800 Sports photography advice
61
great max shutter speed (1/6,000s)
image stabilization (Sensor based)
decent sensor size (APS-C)
great battery pack (1,900 CIPA)
has phase detect autofocus
very slow continuous shooting (5.0 fps)
low MP (12 megapixels)
43
has image stabilization (Optical)
MP count decent (20MP)
includes tracking focus
slow continuous shooting (1.0 frames/s)
lack of shutter priority mode
sensor size is tiny (1/2.3")
lack of phase detect AF
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Travel Comparison

Travel photography with Pentax K-x
Travel photography with Sony W800
53
great battery pack (1,900 shots)
built-in flash
lack of Timelapse mode
low MP (12MP)
screen isn't selfie friendly
70
lighter than competition (125 grams)
MP count decent (20 megapixels)
flash built-in
pretty wide (26mm)
doesn't have Time Lapse function
screen is not selfie friendly
somewhat slow max aperture (f3.2)
Photography Glossary

Landscape Comparison

Pentax K-x as a Landscape photography camera
Sony W800 as a Landscape photography camera
60
manual focus
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
great battery pack (1,900 per charge)
small screen (2.7 inch)
low MP (12MP)
lack of Timelapse mode
40
pretty wide (26mm)
has image stabilization (Optical)
MP count decent (20MP)
no manual focus
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.2)
screen is somewhat small (2.7 inch)
manual mode not available
sensor size is tiny (1/2.3")
lack of RAW format
doesn't have Time Lapse function
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Vlogging Comparison

Vlogging with Pentax K-x
Vlogging with Sony W800
26
image stabilization (Sensor based)
comes with face detection autofocus
screen isn't selfie friendly
low res video (1280 x 720 resolution)
lack of external microphone port
33
pretty wide (26mm)
has image stabilization (Optical)
includes face detect focusing
lighter than competition (125 grams)
somewhat slow max aperture (f3.2)
screen is not selfie friendly
video resolution low (1280 x 720 resolution)
doesn't have mic port
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Pentax K-x vs Sony W800 Specifications

Detailed spec comparison table for Pentax K-x and Sony W800
 Pentax K-xSony Cyber-shot DSC-W800
General Information
Company Pentax Sony
Model type Pentax K-x Sony Cyber-shot DSC-W800
Category Entry-Level DSLR Small Sensor Compact
Announced 2009-12-23 2014-02-13
Body design Compact SLR Compact
Sensor Information
Processor Prime -
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 12MP 20MP
Anti alias filter
Aspect ratio 3:2 4:3 and 16:9
Peak resolution 4288 x 2848 5152 x 3864
Highest native ISO 6400 3200
Highest enhanced ISO 12800 -
Min native ISO 100 100
RAW photos
Autofocusing
Manual focusing
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 -
Cross type focus points - -
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 26-130mm (5.0x)
Maximum aperture - f/3.2-6.4
Available lenses 151 -
Crop factor 1.5 5.8
Screen
Range of screen Fixed Type Fixed Type
Screen size 2.7 inch 2.7 inch
Screen resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch display
Screen technology TFT LCD monitor TFT LCD display
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30 secs 2 secs
Max shutter speed 1/6000 secs 1/1500 secs
Continuous shutter speed 5.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set WB
Image stabilization
Built-in flash
Flash distance 16.00 m 3.50 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto / Flash On / Slow Synchro / Flash Off / Advanced Flash
Hot shoe
Auto exposure bracketing
WB bracketing
Max flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (24 fps), 640 x 416 (24 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps)
Highest video resolution 1280x720 1280x720
Video data format Motion JPEG AVI MPEG4
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 580 grams (1.28 lbs) 125 grams (0.28 lbs)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 97 x 55 x 21mm (3.8" x 2.2" x 0.8")
DXO scores
DXO Overall rating 72 not tested
DXO Color Depth rating 22.8 not tested
DXO Dynamic range rating 12.5 not tested
DXO Low light rating 811 not tested
Other
Battery life 1900 pictures -
Style of battery Battery Pack -
Battery ID 4 x AA NP-BN
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage media SD/SDHC card SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots One One
Cost at release $600 $90