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Pentax K-x vs Sony RX10 II

Portability
69
Imaging
52
Features
47
Overall
50
Pentax K-x front
 
Sony Cyber-shot DSC-RX10 II front
Portability
58
Imaging
52
Features
77
Overall
62

Pentax K-x vs Sony RX10 II Key Specs

Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Push 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 RX10 II
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Display
  • ISO 125 - 12800 (Push to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-200mm (F2.8) lens
  • 813g - 129 x 88 x 102mm
  • Revealed June 2015
  • Replaced the Sony RX10
  • Refreshed by Sony RX10 III
Photography Glossary

Pentax K-x vs Sony RX10 II Overview

The following is a detailed comparison of the Pentax K-x vs Sony RX10 II, one is a Entry-Level DSLR and the other is a Large Sensor Superzoom by brands Pentax and Sony. There exists a crucial gap between the sensor resolutions of the K-x (12MP) and RX10 II (20MP) and the K-x (APS-C) and RX10 II (1") posses different sensor sizing.

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The K-x was revealed 6 years earlier than the RX10 II which is quite a serious gap as far as technology is concerned. Each of these cameras have different body design with the Pentax K-x being a Compact SLR camera and the Sony RX10 II being a SLR-like (bridge) camera.

Before getting right into a step-by-step comparison, here is a concise synopsis of how the K-x scores versus the RX10 II when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K-x over the Sony RX10 II

 K-x RX10 II 

Reasons to pick Sony RX10 II over the Pentax K-x

 RX10 II K-x 
RevealedJune 2015December 2009Newer by 66 months
Display typeTiltingFixed Tilting display
Display dimensions3"2.7"Larger display (+0.3")
Display resolution1229k230kClearer display (+999k dot)

Common features in the Pentax K-x and Sony RX10 II

 K-x RX10 II 
Focus manually More exact focus
Selfie screen Absent selfie screen
Touch friendly display Absent Touch friendly display

Pentax K-x vs Sony RX10 II Physical Comparison

In case you're planning to travel with your camera regularly, you'll have to factor its weight and volume. The Pentax K-x features outside measurements of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) while the Sony RX10 II has sizing of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") having a weight of 813 grams (1.79 lbs).

Examine the Pentax K-x vs Sony RX10 II in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. Following is a front view proportions comparison of the K-x against the RX10 II.

Pentax K-x vs Sony RX10 II size comparison

Taking into account dimensions and weight, the portability grade of the K-x and RX10 II is 69 and 58 respectively.

Pentax K-x vs Sony RX10 II top view buttons comparison

Pentax K-x vs Sony RX10 II Sensor Comparison

Sometimes, its difficult to imagine the contrast between sensor dimensions just by going over a spec sheet. The pic here will provide you a greater sense of the sensor measurements in the K-x and RX10 II.

Clearly, both of those cameras provide different megapixel count and different sensor dimensions. The K-x using its larger sensor is going to make getting bokeh less difficult and the Sony RX10 II will deliver extra detail because of its extra 8 Megapixels. Greater resolution will help you crop pics more aggressively. The more aged K-x is going to be disadvantaged in sensor innovation.

Pentax K-x vs Sony RX10 II sensor size comparison

Pentax K-x vs Sony RX10 II Screen and ViewFinder

Pentax K-x vs Sony RX10 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-x as a Portrait photography camera
Sony RX10 II as a Portrait photography camera
63
you can focus manually
good sensor size (APS-C)
supports face detect focusing
saves RAW files
megapixel count low (12 megapixels)
71
focusing manually
good megapixels (20 megapixels)
decent sensor size (1")
features face detection focus
supports RAW files
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Street Comparison

Pentax K-x Street photography highlights
Sony RX10 II Street photography highlights
67
built in image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW files
screen does not articulate
72
screen tilts
has image stabilization (Optical)
decent sensor size (1")
supports RAW files
environment proof
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Sports Comparison

Pentax K-x Sports photography details
Sony RX10 II Sports photography details
61
max shutter speed is good (1/6,000s)
built in image stabilization (Sensor based)
good sensor size (APS-C)
better than average battery (1,900 per charge)
comes with phase detect AF
max fps low (5.0 fps)
megapixel count low (12 megapixels)
68
quiet shooting (1/32,000 seconds)
has image stabilization (Optical)
good megapixels (20MP)
decent sensor size (1")
features tracking autofocus
environment proof
lacks phase detect auto focus
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Travel Comparison

Pentax K-x Travel photography details
Sony RX10 II Travel photography details
54
better than average battery (1,900 per charge)
has built in flash
doesn't have Timelapse mode
megapixel count low (12MP)
doesn't feature selfie friendly screen
56
environment proof
good megapixels (20 megapixels)
has built in flash
fairly wide (24mm)
does not have Time Lapse recording
display isn't selfie friendly
somewhat slow max aperture (f2.8)
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Landscape Comparison

Landscape photography with Pentax K-x
Landscape photography with Sony RX10 II
61
you can focus manually
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
good sensor size (APS-C)
saves RAW files
better than average battery (1,900 shots)
screen is somewhat small (2.7 inch)
megapixel count low (12 megapixels)
doesn't have Timelapse mode
62
focusing manually
fairly wide (24mm)
screen size is good (3 inch)
has image stabilization (Optical)
good megapixels (20 megapixels)
decent sensor size (1")
supports RAW files
environment proof
cannot swap lens (fixed lens mount)
somewhat slow max aperture (f2.8)
does not have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax K-x
Vlogging with Sony RX10 II
27
built in image stabilization (Sensor based)
supports face detect focusing
doesn't feature selfie friendly screen
video res low (1280 x 720 resolution)
doesn't have microphone port
31
fairly wide (24mm)
has image stabilization (Optical)
features face detection focus
video res high (3840 x 2160 pxls)
includes external mic port
somewhat slow max aperture (f2.8)
display isn't selfie friendly
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Pentax K-x vs Sony RX10 II Specifications

Detailed spec comparison table for Pentax K-x and Sony RX10 II
 Pentax K-xSony Cyber-shot DSC-RX10 II
General Information
Company Pentax Sony
Model Pentax K-x Sony Cyber-shot DSC-RX10 II
Category Entry-Level DSLR Large Sensor Superzoom
Announced 2009-12-23 2015-06-10
Body design Compact SLR SLR-like (bridge)
Sensor Information
Powered by Prime Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.6 x 15.8mm 13.2 x 8.8mm
Sensor area 372.9mm² 116.2mm²
Sensor resolution 12 megapixel 20 megapixel
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Peak resolution 4288 x 2848 5472 x 3648
Highest native ISO 6400 12800
Highest enhanced ISO 12800 25600
Lowest native ISO 100 125
RAW format
Lowest enhanced ISO - 64
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 11 25
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - 24-200mm (8.3x)
Highest aperture - f/2.8
Macro focus range - 3cm
Number of lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Range of display Fixed Type Tilting
Display sizing 2.7 inch 3 inch
Display resolution 230k dot 1,229k dot
Selfie friendly
Liveview
Touch functionality
Display technology TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentamirror) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.57x 0.7x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/6000 secs 1/2000 secs
Max quiet shutter speed - 1/32000 secs
Continuous shutter speed 5.0 frames per sec 14.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 16.00 m 10.20 m
Flash options Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless Auto, fill-flash, slow sync, rear sync, off
Hot shoe
AEB
White balance bracketing
Max flash sync 1/180 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 416 (24 fps) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 1280x720 3840x2160
Video data format Motion JPEG MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
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 pounds) 813 gr (1.79 pounds)
Physical dimensions 123 x 92 x 68mm (4.8" x 3.6" x 2.7") 129 x 88 x 102mm (5.1" x 3.5" x 4.0")
DXO scores
DXO Overall score 72 70
DXO Color Depth score 22.8 23.0
DXO Dynamic range score 12.5 12.6
DXO Low light score 811 531
Other
Battery life 1900 photos 400 photos
Type of battery Battery Pack Battery Pack
Battery model 4 x AA NP-FW50
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, continuous)
Time lapse feature
Type of storage SD/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots One One
Cost at release $600 $998