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Pentax K20D vs Sony RX100 II

Portability
59
Imaging
53
Features
52
Overall
52
Pentax K20D front
 
Sony Cyber-shot DSC-RX100 II front
Portability
89
Imaging
50
Features
74
Overall
59

Pentax K20D vs Sony RX100 II Key Specs

Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Released June 2008
  • Superseded the Pentax K10D
Sony RX100 II
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 160 - 12800 (Increase to 25600)
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 28-100mm (F1.8-4.9) lens
  • 281g - 102 x 58 x 38mm
  • Released June 2013
  • Replaced the Sony RX100
  • Newer Model is Sony RX100 III
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Pentax K20D vs Sony RX100 II Overview

Let's look closer at the Pentax K20D vs Sony RX100 II, former being a Advanced DSLR while the latter is a Large Sensor Compact by rivals Pentax and Sony. There is a large difference between the sensor resolutions of the K20D (15MP) and RX100 II (20MP) and the K20D (APS-C) and RX100 II (1") feature different sensor dimensions.

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The K20D was brought out 6 years earlier than the RX100 II and that is quite a serious difference as far as tech is concerned. Both of these cameras come with different body type with the Pentax K20D being a Mid-size SLR camera and the Sony RX100 II being a Large Sensor Compact camera.

Before delving through a complete comparison, below is a quick view of how the K20D scores against the RX100 II when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K20D over the Sony RX100 II

 K20D RX100 II 

Reasons to pick Sony RX100 II over the Pentax K20D

 RX100 II K20D 
ReleasedJune 2013June 2008Fresher by 60 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kClearer screen (+999k dot)

Common features in the Pentax K20D and Sony RX100 II

 K20D RX100 II 
Manually focus Very exact focusing
Selfie screen No selfie screen
Touch screen Neither has Touch screen

Pentax K20D vs Sony RX100 II Physical Comparison

For those who are looking to carry your camera often, you need to think about its weight and volume. The Pentax K20D has outer measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs) while the Sony RX100 II has sizing of 102mm x 58mm x 38mm (4.0" x 2.3" x 1.5") and a weight of 281 grams (0.62 lbs).

Examine the Pentax K20D vs Sony RX100 II in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you are using at the time. Below is the front view dimensions comparison of the K20D versus the RX100 II.

Pentax K20D vs Sony RX100 II size comparison

Using size and weight, the portability grade of the K20D and RX100 II is 59 and 89 respectively.

Pentax K20D vs Sony RX100 II top view buttons comparison

Pentax K20D vs Sony RX100 II Sensor Comparison

Oftentimes, its difficult to visualize the gap between sensor sizing only by reading specifications. The photograph below might offer you a much better sense of the sensor measurements in the K20D and RX100 II.

Plainly, both cameras have got different megapixel count and different sensor sizing. The K20D featuring a bigger sensor is going to make achieving shallow depth of field less difficult and the Sony RX100 II will offer greater detail having its extra 5 Megapixels. Higher resolution can also make it easier to crop pictures much more aggressively. The older K20D is going to be behind with regard to sensor technology.

Pentax K20D vs Sony RX100 II sensor size comparison

Pentax K20D vs Sony RX100 II Screen and ViewFinder

Pentax K20D vs Sony RX100 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D as a Portrait photography camera
Sony RX100 II as a Portrait photography camera
71
manual focus
megapixel count good (15MP)
sensor size is decent (APS-C)
exports RAW files
70
manual focus
flash sync is higher than normal (1/2,000 seconds)
megapixel count good (20 megapixels)
sensor size is nice (1")
comes with face detect autofocus
saves RAW files
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Street Comparison

Pentax K20D Street photography features
Sony RX100 II Street photography features
65
image stabilization (Sensor based)
sensor size is decent (APS-C)
exports RAW files
environment proofing
no articulating screen
85
tilting screen
has image stabilization (Optical)
sensor size is nice (1")
saves RAW files
lighter than average in class (281 grams)
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Sports Comparison

Sports photography with Pentax K20D
Sports photography with Sony RX100 II
68
image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is decent (APS-C)
environment proofing
sensor has phase detect autofocus
painfully slow continuous shooting (3.0 frames per second)
66
has image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is nice (1")
comes with tracking focus
better than average battery (350 CIPA)
does not have phase detect autofocus
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Travel Comparison

Pentax K20D Travel photography factors
Sony RX100 II Travel photography factors
64
environment proofing
megapixel count good (15 megapixels)
has built in flash
doesn't contain selfie friendly display
79
better than average battery (350 shots)
lighter than average in class (281g)
megapixel count good (20 megapixels)
flash built-in
relatively wide (28mm)
great maximum aperture (f1.8)
doesn't offer selfie friendly display
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Landscape Comparison

Landscape photography with Pentax K20D
Landscape photography with Sony RX100 II
70
manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is decent (APS-C)
exports RAW files
environment proofing
screen is small (2.7")
73
manual focus
relatively wide (28mm)
great maximum aperture (f1.8)
screen size is good (3 inches)
has image stabilization (Optical)
megapixel count good (20MP)
sensor size is nice (1")
saves RAW files
better than average battery (350 CIPA)
fixed lens (fixed lens mount)
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Vlogging Comparison

Pentax K20D Vlogging details
Sony RX100 II Vlogging details
9
no video
37
relatively wide (28mm)
great maximum aperture (f1.8)
has image stabilization (Optical)
comes with face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than average in class (281 grams)
doesn't offer selfie friendly display
does not have microphone support
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Pentax K20D vs Sony RX100 II Specifications

Detailed spec comparison table for Pentax K20D and Sony RX100 II
 Pentax K20DSony Cyber-shot DSC-RX100 II
General Information
Brand Pentax Sony
Model Pentax K20D Sony Cyber-shot DSC-RX100 II
Class Advanced DSLR Large Sensor Compact
Released 2008-06-25 2013-06-27
Physical type Mid-size SLR Large Sensor Compact
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C 1"
Sensor measurements 23.4 x 15.6mm 13.2 x 8.8mm
Sensor area 365.0mm² 116.2mm²
Sensor resolution 15 megapixels 20 megapixels
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Maximum resolution 4672 x 3104 5472 x 3648
Maximum native ISO 3200 12800
Maximum boosted ISO 6400 25600
Minimum native ISO 100 160
RAW photos
Minimum boosted ISO - 100
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 11 25
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 28-100mm (3.6x)
Highest aperture - f/1.8-4.9
Macro focus distance - 5cm
Available lenses 151 -
Focal length multiplier 1.5 2.7
Screen
Type of display Fixed Type Tilting
Display sizing 2.7" 3"
Resolution of display 230k dots 1,229k dots
Selfie friendly
Liveview
Touch display
Display tech - Xtra Fine WhiteMagic TFT LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic (optional)
Viewfinder coverage 95 percent -
Viewfinder magnification 0.64x -
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash range 13.00 m (at ISO 100) 15.00 m (ISO Auto (W))
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Slow Sync
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize 1/180 seconds 1/2000 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60 fps), 640 x 480 (30 fps)
Maximum video resolution None 1920x1080
Video data format - MPEG-4, AVCHD
Microphone support
Headphone support
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 sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 gr (1.76 lb) 281 gr (0.62 lb)
Dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 102 x 58 x 38mm (4.0" x 2.3" x 1.5")
DXO scores
DXO All around score 65 67
DXO Color Depth score 22.9 22.5
DXO Dynamic range score 11.1 12.4
DXO Low light score 639 483
Other
Battery life - 350 images
Battery style - Battery Pack
Battery model D-LI50 NP-BX1
Self timer Yes (2 or 10 sec) Yes (10 sec. / 2 sec. / Self-portrait One-person/ Self-portrait Two-person/ Self timer Continuous (3 or 5 shots))
Time lapse feature With downloadable app
Storage type SD/MMC/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Single
Retail pricing $700 $598