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Pentax K-x vs Sony S980

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Cyber-shot DSC-S980 front
Portability
94
Imaging
34
Features
17
Overall
27

Pentax K-x vs Sony S980 Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Bump to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Revealed December 2009
Sony S980
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • 1280 x 720 video
  • 33-132mm (F3.3-5.2) lens
  • 167g - 93 x 56 x 24mm
  • Released February 2009
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Pentax K-x vs Sony S980 Overview

In this write-up, we will be reviewing the Pentax K-x versus Sony S980, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by companies Pentax and Sony. The resolution of the K-x (12MP) and the S980 (12MP) is pretty well matched but the K-x (APS-C) and S980 (1/2.3") come with totally different sensor sizes.

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The K-x was manufactured 11 months later than the S980 which means that they are both of a similar generation. Both of these cameras offer different body type with the Pentax K-x being a Compact SLR camera and the Sony S980 being a Compact camera.

Before getting straight into a complete comparison, below is a concise introduction of how the K-x grades versus the S980 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-x over the Sony S980

 K-x S980 
ReleasedDecember 2009February 2009More recent by 11 months

Reasons to pick Sony S980 over the Pentax K-x

 S980 K-x 

Common features in the Pentax K-x and Sony S980

 K-x S980 
Focus manually Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen dimensions
Screen resolution230k230kSame screen resolution
Selfie screen Neither offers selfie screen
Touch screen Neither offers Touch screen

Pentax K-x vs Sony S980 Physical Comparison

When you are going to lug around your camera often, you will want to factor in its weight and size. The Pentax K-x offers outer measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Sony S980 has specifications of 93mm x 56mm x 24mm (3.7" x 2.2" x 0.9") along with a weight of 167 grams (0.37 lbs).

Check the Pentax K-x versus Sony S980 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at the time. Here is the front view physical size comparison of the K-x and the S980.

Pentax K-x vs Sony S980 size comparison

Using dimensions and weight, the portability grade of the K-x and S980 is 69 and 94 respectively.

Pentax K-x vs Sony S980 top view buttons comparison

Pentax K-x vs Sony S980 Sensor Comparison

Typically, it can be tough to envision the contrast between sensor measurements merely by checking technical specs. The visual here will provide you a much better sense of the sensor sizing in the K-x and S980.

As you can tell, both of those cameras enjoy the same exact megapixel count albeit not the same sensor measurements. The K-x provides the bigger sensor which should make obtaining shallower depth of field easier. The more modern K-x will have a benefit when it comes to sensor innovation.

Pentax K-x vs Sony S980 sensor size comparison

Pentax K-x vs Sony S980 Screen and ViewFinder

Pentax K-x vs Sony S980 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x Portrait photography info
Sony S980 Portrait photography info
63
focusing manually
good sensor size (APS-C)
provides face detection focus
supports RAW formats
sensor resolution low (12 megapixels)
27
focusing manually
no manual exposure
no external flash support
sensor resolution low (12MP)
very small sensor size (1/2.3")
has no RAW files
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Street Comparison

Street photography with Pentax K-x
Street photography with Sony S980
67
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
no articulating screen
47
no articulating screen
lack of image stabilization
very small sensor size (1/2.3")
has no RAW files
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Sports Comparison

Sports photography with Pentax K-x
Sports photography with Sony S980
61
great max shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
good sensor size (APS-C)
better than average battery pack (1,900 shots)
sensor has phase detect auto focus
painfully slow continuous shooting (5.0 frames per second)
sensor resolution low (12 megapixels)
17
max frames per second very slow (1.0 frames per second)
no shutter priority mode
lack of image stabilization
sensor resolution low (12 megapixels)
very small sensor size (1/2.3")
has no phase detect AF
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Travel Comparison

Pentax K-x as a Travel photography camera
Sony S980 as a Travel photography camera
54
better than average battery pack (1,900 shots)
built-in flash
no Timelapse function
sensor resolution low (12 megapixels)
screen is not selfie friendly
51
flash built-in
doesn't have Time Lapse mode
sensor resolution low (12MP)
does not feature selfie friendly display
wide angle not good (33mm)
somewhat slow max aperture (f3.3)
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Landscape Comparison

Pentax K-x as a Landscape photography camera
Sony S980 as a Landscape photography camera
61
focusing manually
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW formats
better than average battery pack (1,900 shots)
screen is small (2.7 inch)
sensor resolution low (12 megapixels)
no Timelapse function
27
focusing manually
lens is fixed (fixed lens mount)
wide angle not good (33mm)
somewhat slow max aperture (f3.3)
tiny screen (2.7")
no manual exposure
lack of image stabilization
sensor resolution low (12 megapixels)
very small sensor size (1/2.3")
has no RAW files
doesn't have Time Lapse mode
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Vlogging Comparison

Pentax K-x Vlogging info
Sony S980 Vlogging info
27
image stabilization (Sensor based)
provides face detection focus
screen is not selfie friendly
video quality not great (1280 x 720 resolution)
no external microphone support
22
wide angle not good (33mm)
somewhat slow max aperture (f3.3)
does not feature selfie friendly display
lack of image stabilization
video quality not great (1280 x 720 pxls)
doesn't have external mic port
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Pentax K-x vs Sony S980 Specifications

Detailed spec comparison table for Pentax K-x and Sony S980
 Pentax K-xSony Cyber-shot DSC-S980
General Information
Brand Pentax Sony
Model Pentax K-x Sony Cyber-shot DSC-S980
Category Entry-Level DSLR Small Sensor Compact
Revealed 2009-12-23 2009-02-17
Body design Compact SLR Compact
Sensor Information
Chip 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 surface area 372.9mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest Possible resolution 4288 x 2848 4000 x 3000
Maximum native ISO 6400 3200
Maximum enhanced ISO 12800 -
Min native ISO 100 80
RAW format
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 9
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 33-132mm (4.0x)
Maximal aperture - f/3.3-5.2
Macro focus distance - 10cm
Amount of lenses 151 -
Crop factor 1.5 5.8
Screen
Range of display Fixed Type Fixed Type
Display diagonal 2.7" 2.7"
Display resolution 230k dot 230k dot
Selfie friendly
Liveview
Touch capability
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.57x -
Features
Minimum shutter speed 30s 2s
Fastest shutter speed 1/6000s 1/1600s
Continuous shutter speed 5.0fps 1.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Custom WB
Image stabilization
Built-in flash
Flash range 16.00 m 3.50 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
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)
Maximum video resolution 1280x720 1280x720
Video data format Motion JPEG Motion JPEG
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 580 grams (1.28 pounds) 167 grams (0.37 pounds)
Dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 93 x 56 x 24mm (3.7" x 2.2" x 0.9")
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 photographs -
Form of battery Battery Pack -
Battery model 4 x AA -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC card Memory Stick Duo / Pro Duo, Internal
Storage slots 1 1
Cost at release $600 $300