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Pentax K-x vs Sony NEX-5

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Alpha NEX-5 front
Portability
89
Imaging
54
Features
58
Overall
55

Pentax K-x vs Sony NEX-5 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
  • Announced December 2009
Sony NEX-5
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 200 - 12800
  • 1920 x 1080 video
  • Sony E Mount
  • 287g - 111 x 59 x 38mm
  • Announced June 2010
  • Successor is Sony NEX-5N
Photography Glossary

Pentax K-x vs Sony NEX-5 Overview

On this page, we are matching up the Pentax K-x versus Sony NEX-5, former being a Entry-Level DSLR while the other is a Entry-Level Mirrorless by brands Pentax and Sony. The resolution of the K-x (12MP) and the NEX-5 (14MP) is very close and both cameras boast the same sensor measurements (APS-C).

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The K-x was launched 5 months before the NEX-5 which means that they are both of a similar age. Each of these cameras have different body design with the Pentax K-x being a Compact SLR camera and the Sony NEX-5 being a Rangefinder-style mirrorless camera.

Before we go right into a in-depth comparison, here is a brief summary of how the K-x grades against the NEX-5 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-x over the Sony NEX-5

 K-x NEX-5 

Reasons to pick Sony NEX-5 over the Pentax K-x

 NEX-5 K-x 
Display typeTiltingFixed Tilting display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution920k230kCrisper display (+690k dot)

Common features in the Pentax K-x and Sony NEX-5

 K-x NEX-5 
AnnouncedDecember 2009June 2010Same age
Manual focus More accurate focusing
Selfie screen Absent selfie screen
Touch friendly display Neither contains Touch friendly display

Pentax K-x vs Sony NEX-5 Physical Comparison

If you're intending to lug around your camera frequently, you'll have to think about its weight and dimensions. The Pentax K-x has got outer dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Sony NEX-5 has dimensions of 111mm x 59mm x 38mm (4.4" x 2.3" x 1.5") with a weight of 287 grams (0.63 lbs).

Take a look at the Pentax K-x versus Sony NEX-5 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change depending on the lens you have at that time. The following is a front view physical size comparison of the K-x compared to the NEX-5.

Pentax K-x vs Sony NEX-5 size comparison

Considering dimensions and weight, the portability grade of the K-x and NEX-5 is 69 and 89 respectively.

Pentax K-x vs Sony NEX-5 top view buttons comparison

Pentax K-x vs Sony NEX-5 Sensor Comparison

Sometimes, it's difficult to picture the gap in sensor measurements purely by looking through specs. The visual underneath should give you a much better sense of the sensor sizes in the K-x and NEX-5.

As you can plainly see, both the cameras provide the same sensor dimensions but different resolution. You can expect to see the Sony NEX-5 to provide you with more detail utilizing its extra 2 Megapixels. Greater resolution can also help you crop photos more aggressively.

Pentax K-x vs Sony NEX-5 sensor size comparison

Pentax K-x vs Sony NEX-5 Screen and ViewFinder

Pentax K-x vs Sony NEX-5 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x Portrait photography details
Sony NEX-5 Portrait photography details
63
manual focus
sensor size is decent (APS-C)
supports face detection focus
delivers RAW formats
resolution not great (12MP)
72
focusing manually
MP count good (14 megapixels)
nice sensor size (APS-C)
supports RAW files
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Street Comparison

Pentax K-x Street photography advice
Sony NEX-5 Street photography advice
67
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
no articulating screen
76
screen tilts
nice sensor size (APS-C)
supports RAW files
no image stabilization
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Sports Comparison

Pentax K-x as a Sports photography camera
Sony NEX-5 as a Sports photography camera
61
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
better than average battery life (1,900 per charge)
comes with phase detect auto focus
very slow continuous shooting (5.0 frames per second)
resolution not great (12 megapixels)
52
MP count good (14MP)
nice sensor size (APS-C)
no image stabilization
doesn't have phase detect auto focus
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Travel Comparison

Pentax K-x Travel photography factors
Sony NEX-5 Travel photography factors
54
better than average battery life (1,900 per charge)
has built in flash
lack of Timelapse function
resolution not great (12MP)
does not have a selfie friendly display
59
MP count good (14 megapixels)
doesn't have Timelapse function
display isn't selfie friendly
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Landscape Comparison

Pentax K-x Landscape photography information
Sony NEX-5 Landscape photography information
61
manual focus
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
better than average battery life (1,900 per charge)
screen is small (2.7")
resolution not great (12 megapixels)
lack of Timelapse function
68
focusing manually
interchangeable lenses (Sony E mount)
nice screen size (3 inch)
MP count good (14MP)
nice sensor size (APS-C)
supports RAW files
no image stabilization
doesn't have Timelapse function
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Vlogging Comparison

Vlogging with Pentax K-x
Vlogging with Sony NEX-5
27
has image stabilization (Sensor based)
supports face detection focus
does not have a selfie friendly display
low video resolution (1280 x 720 pixels)
lack of external microphone socket
28
high quality video (1920 x 1080 resolution)
display isn't selfie friendly
no image stabilization
doesn't have microphone jack
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Pentax K-x vs Sony NEX-5 Specifications

Detailed spec comparison table for Pentax K-x and Sony NEX-5
 Pentax K-xSony Alpha NEX-5
General Information
Brand Name Pentax Sony
Model Pentax K-x Sony Alpha NEX-5
Class Entry-Level DSLR Entry-Level Mirrorless
Announced 2009-12-23 2010-06-07
Body design Compact SLR Rangefinder-style mirrorless
Sensor Information
Processor Prime Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.6 x 15.8mm 23.4 x 15.6mm
Sensor area 372.9mm² 365.0mm²
Sensor resolution 12 megapixels 14 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 4288 x 2848 4592 x 3056
Maximum native ISO 6400 12800
Maximum enhanced ISO 12800 -
Minimum native ISO 100 200
RAW format
Autofocusing
Manual focus
AF touch
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 25
Lens
Lens mounting type Pentax KAF2 Sony E
Available lenses 151 121
Focal length multiplier 1.5 1.5
Screen
Range of display Fixed Type Tilting
Display size 2.7 inches 3 inches
Resolution of display 230 thousand dot 920 thousand dot
Selfie friendly
Liveview
Touch capability
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/6000 seconds 1/4000 seconds
Continuous shutter speed 5.0 frames per sec 7.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 16.00 m 12.00 m
Flash settings Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in
Hot shoe
AE bracketing
WB bracketing
Max flash sync 1/180 seconds 1/160 seconds
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) 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Maximum video resolution 1280x720 1920x1080
Video file format Motion JPEG AVCHD
Microphone input
Headphone input
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 580 gr (1.28 lb) 287 gr (0.63 lb)
Physical dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 111 x 59 x 38mm (4.4" x 2.3" x 1.5")
DXO scores
DXO Overall score 72 69
DXO Color Depth score 22.8 22.2
DXO Dynamic range score 12.5 12.2
DXO Low light score 811 796
Other
Battery life 1900 pictures 330 pictures
Battery format Battery Pack Battery Pack
Battery model 4 x AA NPFW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, 10sec (3 images))
Time lapse shooting
Type of storage SD/SDHC card SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Retail price $600 $599