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Pentax K20D vs Samsung GX-10

Portability
59
Imaging
53
Features
52
Overall
52
Pentax K20D front
 
Samsung GX-10 front
Portability
59
Imaging
48
Features
43
Overall
46

Pentax K20D vs Samsung GX-10 Key Specs

Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Increase to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Announced June 2008
  • Succeeded the Pentax K10D
Samsung GX-10
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 793g - 142 x 101 x 70mm
  • Announced September 2006
  • Updated by Samsung GX-20
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Pentax K20D vs Samsung GX-10 Overview

The following is a thorough assessment of the Pentax K20D versus Samsung GX-10, both Advanced DSLR cameras by competitors Pentax and Samsung. There is a considerable difference among the image resolutions of the K20D (15MP) and GX-10 (10MP) but they enjoy the exact same sensor sizing (APS-C).

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The K20D was launched 22 months after the GX-10 which makes the cameras a generation away from each other. Each of the cameras come with the identical body type (Mid-size SLR).

Before going through a thorough comparison, below is a simple overview of how the K20D scores vs the GX-10 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K20D over the Samsung GX-10

 K20D GX-10 
AnnouncedJune 2008September 2006Newer by 22 months
Screen dimension2.7"2.5"Bigger screen (+0.2")
Screen resolution230k210kCrisper screen (+20k dot)

Reasons to pick Samsung GX-10 over the Pentax K20D

 GX-10 K20D 

Common features in the Pentax K20D and Samsung GX-10

 K20D GX-10 
Manually focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen
Touch screen Lack of Touch screen

Pentax K20D vs Samsung GX-10 Physical Comparison

For anybody who is looking to travel with your camera often, you will want to take into account its weight and proportions. The Pentax K20D provides external measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs) while the Samsung GX-10 has measurements of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") with a weight of 793 grams (1.75 lbs).

Take a look at the Pentax K20D versus Samsung GX-10 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you choose at that time. Underneath is the front view scale comparison of the K20D and the GX-10.

Pentax K20D vs Samsung GX-10 size comparison

Using size and weight, the portability rating of the K20D and GX-10 is 59 and 59 respectively.

Pentax K20D vs Samsung GX-10 top view buttons comparison

Pentax K20D vs Samsung GX-10 Sensor Comparison

In many cases, its difficult to see the gap in sensor dimensions simply by going through technical specs. The pic underneath should offer you a better sense of the sensor measurements in the K20D and GX-10.

As you can tell, each of the cameras posses the exact same sensor measurements albeit not the same megapixels. You can count on the Pentax K20D to provide more detail utilizing its extra 5 Megapixels. Higher resolution can also let you crop shots somewhat more aggressively. The more modern K20D is going to have a benefit in sensor innovation.

Pentax K20D vs Samsung GX-10 sensor size comparison

Pentax K20D vs Samsung GX-10 Screen and ViewFinder

Pentax K20D vs Samsung GX-10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K20D Portrait photography highlights
Samsung GX-10 Portrait photography highlights
71
manual focus
megapixel count good (15 megapixels)
decent sensor size (APS-C)
supports RAW files
52
manual focus
sensor size is decent (APS-C)
delivers RAW formats
no liveview
resolution not great (10 megapixels)
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Street Comparison

Pentax K20D Street photography information
Samsung GX-10 Street photography information
65
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW files
environment proofing
screen is fixed
64
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
weather sealing
fixed screen
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Sports Comparison

Pentax K20D Sports photography factors
Samsung GX-10 Sports photography factors
68
built in image stabilization (Sensor based)
megapixel count good (15MP)
decent sensor size (APS-C)
environment proofing
has phase detect autofocus
max fps very slow (3.0 frames/s)
52
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
weather sealing
sensor has phase detect AF
no liveview
painfully slow continuous shooting (3.0 frames/s)
resolution not great (10 megapixels)
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Travel Comparison

Pentax K20D as a Travel photography camera
Samsung GX-10 as a Travel photography camera
64
environment proofing
megapixel count good (15MP)
has built in flash
display isn't selfie friendly
49
weather sealing
flash built-in
does not have Time Lapse mode
resolution not great (10MP)
display is not selfie friendly
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Landscape Comparison

Pentax K20D Landscape photography advice
Samsung GX-10 Landscape photography advice
70
manual focus
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
megapixel count good (15 megapixels)
decent sensor size (APS-C)
supports RAW files
environment proofing
tiny screen (2.7 inch)
55
manual focus
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW formats
weather sealing
screen is small (2.5 inch)
no liveview
resolution not great (10 megapixels)
does not have Time Lapse mode
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Vlogging Comparison

Vlogging with Pentax K20D
Vlogging with Samsung GX-10
9
lack of video recording
9
no video
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Pentax K20D vs Samsung GX-10 Specifications

Detailed spec comparison table for Pentax K20D and Samsung GX-10
 Pentax K20DSamsung GX-10
General Information
Brand Name Pentax Samsung
Model type Pentax K20D Samsung GX-10
Class Advanced DSLR Advanced DSLR
Announced 2008-06-25 2006-09-21
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 23.4 x 15.6mm 23.5 x 15.7mm
Sensor area 365.0mm² 369.0mm²
Sensor resolution 15 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Peak resolution 4672 x 3104 3872 x 2592
Highest native ISO 3200 1600
Highest enhanced ISO 6400 -
Lowest native ISO 100 100
RAW support
Autofocusing
Manual focusing
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
AF center weighted
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 11 11
Lens
Lens mount type Pentax KAF2 Pentax KAF2
Available lenses 151 151
Crop factor 1.5 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 2.7 inches 2.5 inches
Resolution of display 230 thousand dots 210 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 95% 95%
Viewfinder magnification 0.64x 0.64x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/4000 secs 1/4000 secs
Continuous shutter rate 3.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance 13.00 m (at ISO 100) -
Flash options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-eye reduction
External flash
AE bracketing
White balance bracketing
Fastest flash synchronize 1/180 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Highest video resolution None None
Mic support
Headphone support
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 lb) 793 grams (1.75 lb)
Dimensions 142 x 101 x 70mm (5.6" x 4.0" x 2.8") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO Overall rating 65 not tested
DXO Color Depth rating 22.9 not tested
DXO Dynamic range rating 11.1 not tested
DXO Low light rating 639 not tested
Other
Battery ID D-LI50 -
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse recording
Storage type SD/MMC/SDHC card SD/MMC/SDHC card
Card slots Single Single
Retail pricing $700 $850