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Pentax K20D vs Sony RX10 II

Portability
59
Imaging
53
Features
52
Overall
52
Pentax K20D front
 
Sony Cyber-shot DSC-RX10 II front
Portability
58
Imaging
51
Features
77
Overall
61

Pentax K20D vs Sony RX10 II 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
  • Introduced June 2008
  • Superseded the Pentax K10D
Sony RX10 II
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Bump to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-200mm (F2.8) lens
  • 813g - 129 x 88 x 102mm
  • Announced June 2015
  • Old Model is Sony RX10
  • Successor is Sony RX10 III
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Pentax K20D vs Sony RX10 II Overview

Following is a comprehensive assessment of the Pentax K20D vs Sony RX10 II, one is a Advanced DSLR and the latter is a Large Sensor Superzoom by brands Pentax and Sony. There is a significant difference among the image resolutions of the K20D (15MP) and RX10 II (20MP) and the K20D (APS-C) and RX10 II (1") posses different sensor measurements.

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The K20D was introduced 8 years prior to the RX10 II which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras feature different body design with the Pentax K20D being a Mid-size SLR camera and the Sony RX10 II being a SLR-like (bridge) camera.

Before going right into a thorough comparison, here is a simple summation of how the K20D scores vs the RX10 II in the way of portability, imaging, features and an overall score.

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Reasons to pick Pentax K20D over the Sony RX10 II

 K20D RX10 II 

Reasons to pick Sony RX10 II over the Pentax K20D

 RX10 II K20D 
AnnouncedJune 2015June 2008More modern by 84 months
Screen typeTiltingFixed Tilting screen
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kClearer screen (+999k dot)

Common features in the Pentax K20D and Sony RX10 II

 K20D RX10 II 
Focus manually More accurate focus
Selfie screen Neither comes with selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Pentax K20D vs Sony RX10 II Physical Comparison

For those who are aiming to carry around your camera frequently, you will want to think about its weight and proportions. The Pentax K20D comes with outside dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) and the Sony RX10 II has measurements of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") accompanied by a weight of 813 grams (1.79 lbs).

See the Pentax K20D vs Sony RX10 II in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you choose at the time. Following is a front view proportions comparison of the K20D versus the RX10 II.

Pentax K20D vs Sony RX10 II size comparison

Factoring in size and weight, the portability score of the K20D and RX10 II is 59 and 58 respectively.

Pentax K20D vs Sony RX10 II top view buttons comparison

Pentax K20D vs Sony RX10 II Sensor Comparison

Usually, it is very difficult to picture the difference in sensor sizes just by researching a spec sheet. The pic underneath will offer you a better sense of the sensor sizes in the K20D and RX10 II.

As you can see, the 2 cameras feature different megapixel count and different sensor sizes. The K20D using its bigger sensor is going to make getting shallower depth of field easier and the Sony RX10 II will result in more detail using its extra 5 Megapixels. Higher resolution can also help you crop photographs way more aggressively. The more aged K20D will be disadvantaged when it comes to sensor technology.

Pentax K20D vs Sony RX10 II sensor size comparison

Pentax K20D vs Sony RX10 II Screen and ViewFinder

Pentax K20D vs Sony RX10 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D as a Portrait photography camera
Sony RX10 II as a Portrait photography camera
71
you can focus manually
decent MP (15 megapixels)
nice sensor size (APS-C)
saves RAW files
70
has manual focus
MP count decent (20MP)
decent sensor size (1")
provides face detection focusing
delivers RAW formats
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Street Comparison

Pentax K20D Street photography features
Sony RX10 II Street photography features
65
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW files
environment sealing
fixed screen
72
tilting screen
has image stabilization (Optical)
decent sensor size (1")
delivers RAW formats
weather proofing
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Sports Comparison

Sports photography with Pentax K20D
Sports photography with Sony RX10 II
68
has image stabilization (Sensor based)
decent MP (15MP)
nice sensor size (APS-C)
environment sealing
has phase detect autofocus
slow fps (3.0 frames per second)
68
silent shutter (1/32,000s)
has image stabilization (Optical)
MP count decent (20MP)
decent sensor size (1")
provides tracking autofocus
weather proofing
doesn't have phase detect AF
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Travel Comparison

Pentax K20D Travel photography information
Sony RX10 II Travel photography information
64
environment sealing
decent MP (15MP)
has built in flash
screen isn't selfie friendly
56
weather proofing
MP count decent (20 megapixels)
built-in flash
rather wide (24mm)
missing Time Lapse mode
does not posses selfie friendly screen
sluggish max aperture (f2.8)
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Landscape Comparison

Pentax K20D Landscape photography features
Sony RX10 II Landscape photography features
70
you can focus manually
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent MP (15MP)
nice sensor size (APS-C)
saves RAW files
environment sealing
small screen (2.7")
62
has manual focus
rather wide (24mm)
screen is a decent size (3")
has image stabilization (Optical)
MP count decent (20MP)
decent sensor size (1")
delivers RAW formats
weather proofing
can't switch lenses (fixed lens mount)
sluggish max aperture (f2.8)
missing Time Lapse mode
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Vlogging Comparison

Pentax K20D as a Vlogging camera
Sony RX10 II as a Vlogging camera
9
can't record video
30
rather wide (24mm)
has image stabilization (Optical)
provides face detection focusing
high res video (3840 x 2160 pixels)
includes external mic socket
sluggish max aperture (f2.8)
does not posses selfie friendly screen
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Pentax K20D vs Sony RX10 II Specifications

Detailed spec comparison table for Pentax K20D and Sony RX10 II
 Pentax K20DSony Cyber-shot DSC-RX10 II
General Information
Company Pentax Sony
Model type Pentax K20D Sony Cyber-shot DSC-RX10 II
Category Advanced DSLR Large Sensor Superzoom
Introduced 2008-06-25 2015-06-10
Physical type Mid-size SLR SLR-like (bridge)
Sensor Information
Powered by - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.4 x 15.6mm 13.2 x 8.8mm
Sensor area 365.0mm² 116.2mm²
Sensor resolution 15 megapixels 20 megapixels
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Max resolution 4672 x 3104 5472 x 3648
Max native ISO 3200 12800
Max enhanced ISO 6400 25600
Minimum native ISO 100 125
RAW data
Minimum enhanced ISO - 64
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 25
Lens
Lens support Pentax KAF2 fixed lens
Lens zoom range - 24-200mm (8.3x)
Highest aperture - f/2.8
Macro focusing distance - 3cm
Number of lenses 151 -
Crop factor 1.5 2.7
Screen
Screen type Fixed Type Tilting
Screen sizing 2.7 inch 3 inch
Resolution of screen 230k dots 1,229k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.64x 0.7x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/2000 seconds
Fastest silent shutter speed - 1/32000 seconds
Continuous shutter rate 3.0 frames/s 14.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) 10.20 m
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, fill-flash, slow sync, rear sync, off
External flash
AEB
White balance bracketing
Fastest flash synchronize 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800g (1.76 lbs) 813g (1.79 lbs)
Physical dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 129 x 88 x 102mm (5.1" x 3.5" x 4.0")
DXO scores
DXO Overall rating 65 70
DXO Color Depth rating 22.9 23.0
DXO Dynamic range rating 11.1 12.6
DXO Low light rating 639 531
Other
Battery life - 400 photos
Type of battery - Battery Pack
Battery ID D-LI50 NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, continuous)
Time lapse shooting
Type of storage SD/MMC/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots One One
Launch pricing $700 $998