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Pentax K-5 vs Samsung GX-20

Portability
60
Imaging
56
Features
82
Overall
66
Pentax K-5 front
 
Samsung GX-20 front
Portability
58
Imaging
54
Features
52
Overall
53

Pentax K-5 vs Samsung GX-20 Key Specs

Pentax K-5
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 80 - 12800 (Boost to 51200)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 740g - 131 x 97 x 73mm
  • Announced December 2010
  • Older Model is Pentax K-7
  • Renewed by Pentax K-5 IIs
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Expand to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Launched January 2008
  • Succeeded the Samsung GX-10
Photography Glossary

Pentax K-5 vs Samsung GX-20 Overview

On this page, we are evaluating the Pentax K-5 versus Samsung GX-20, both Advanced DSLR cameras by companies Pentax and Samsung. The sensor resolution of the K-5 (16MP) and the GX-20 (15MP) is very comparable and both cameras provide the same sensor measurements (APS-C).

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The K-5 was announced 2 years later than the GX-20 and that is a fairly sizable difference as far as camera technology is concerned. Each of the cameras have the same body design (Mid-size SLR).

Before we go right into a full comparison, here is a quick introduction of how the K-5 matches up vs the GX-20 with regard to portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-5 over the Samsung GX-20

 K-5 GX-20 
LaunchedDecember 2010January 2008More recent by 36 months
Display dimensions3"2.7"Larger display (+0.3")
Display resolution921k230kCrisper display (+691k dot)

Reasons to pick Samsung GX-20 over the Pentax K-5

 GX-20 K-5 

Common features in the Pentax K-5 and Samsung GX-20

 K-5 GX-20 
Manually focus Very accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen
Touch friendly display Neither contains Touch friendly display

Pentax K-5 vs Samsung GX-20 Physical Comparison

When you are intending to lug around your camera frequently, you'll need to factor in its weight and measurements. The Pentax K-5 has got external measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 740 grams (1.63 lbs) whilst the Samsung GX-20 has proportions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Analyze the Pentax K-5 versus Samsung GX-20 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change based on the lens you have chosen at that moment. The following is a front view proportions comparison of the K-5 compared to the GX-20.

Pentax K-5 vs Samsung GX-20 size comparison

Factoring in dimensions and weight, the portability grade of the K-5 and GX-20 is 60 and 58 respectively.

Pentax K-5 vs Samsung GX-20 top view buttons comparison

Pentax K-5 vs Samsung GX-20 Sensor Comparison

Normally, it's hard to see the contrast in sensor measurements just by going through specs. The graphic underneath will provide you a greater sense of the sensor measurements in the K-5 and GX-20.

As you can plainly see, each of these cameras provide the same sensor dimensions but not the same resolution. You can expect to see the Pentax K-5 to produce more detail with its extra 1 Megapixels. Greater resolution can also make it easier to crop pics more aggressively. The younger K-5 is going to have a benefit when it comes to sensor tech.

Pentax K-5 vs Samsung GX-20 sensor size comparison

Pentax K-5 vs Samsung GX-20 Screen and ViewFinder

Pentax K-5 vs Samsung GX-20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 Portrait photography features
Samsung GX-20 Portrait photography features
73
focusing manually
MP count good (16MP)
decent sensor size (APS-C)
offers face detection autofocus
exports RAW formats
72
manual focus
megapixel count good (15 megapixels)
sensor size is good (APS-C)
exports RAW formats
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Street Comparison

Pentax K-5 Street photography information
Samsung GX-20 Street photography information
66
built in image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
environment sealing
no articulating screen
65
image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW formats
weather sealing
no articulating screen
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Sports Comparison

Pentax K-5 Sports photography features
Samsung GX-20 Sports photography features
78
high shutter speed (1/8,000s)
built in image stabilization (Sensor based)
MP count good (16MP)
decent sensor size (APS-C)
offers tracking autofocus
environment sealing
comes with phase detect autofocus
68
image stabilization (Sensor based)
megapixel count good (15MP)
sensor size is good (APS-C)
weather sealing
comes with phase detect autofocus
very slow continuous shooting (3.0 fps)
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Travel Comparison

Pentax K-5 as a Travel photography camera
Samsung GX-20 as a Travel photography camera
65
environment sealing
MP count good (16MP)
has built in flash
display is not selfie friendly
64
weather sealing
megapixel count good (15MP)
has built in flash
display is not selfie friendly
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Landscape Comparison

Pentax K-5 Landscape photography details
Samsung GX-20 Landscape photography details
78
focusing manually
switch lenses (Pentax KAF2 mount)
pretty good screen size (3")
built in image stabilization (Sensor based)
MP count good (16MP)
decent sensor size (APS-C)
exports RAW formats
environment sealing
71
manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is good (APS-C)
exports RAW formats
weather sealing
screen is somewhat small (2.7 inches)
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Vlogging Comparison

Pentax K-5 as a Vlogging camera
Samsung GX-20 as a Vlogging camera
33
built in image stabilization (Sensor based)
offers face detection autofocus
high quality video (1920 x 1080 pixels)
does have external mic socket
display is not selfie friendly
9
no video recording
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Pentax K-5 vs Samsung GX-20 Specifications

Detailed spec comparison table for Pentax K-5 and Samsung GX-20
 Pentax K-5Samsung GX-20
General Information
Brand Pentax Samsung
Model type Pentax K-5 Samsung GX-20
Class Advanced DSLR Advanced DSLR
Announced 2010-12-18 2008-01-24
Physical type Mid-size SLR Mid-size SLR
Sensor Information
Chip Prime II -
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.7 x 15.7mm 23.4 x 15.6mm
Sensor area 372.1mm² 365.0mm²
Sensor resolution 16 megapixel 15 megapixel
Anti alias filter
Aspect ratio 3:2 -
Highest resolution 4928 x 3264 4688 x 3120
Highest native ISO 12800 3200
Highest boosted ISO 51200 6400
Min native ISO 80 100
RAW format
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
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
Cross type focus points 9 -
Lens
Lens support Pentax KAF2 Pentax KAF2
Amount of lenses 151 151
Crop factor 1.5 1.5
Screen
Display type Fixed Type Fixed Type
Display size 3 inches 2.7 inches
Resolution of display 921k dots 230k dots
Selfie friendly
Liveview
Touch functionality
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.61x 0.64x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting rate 7.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance 13.00 m (at ISO 100) 13.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AEB
White balance bracketing
Highest flash synchronize 1/180 seconds 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps) -
Highest video resolution 1920x1080 None
Video format Motion JPEG -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 740 grams (1.63 lbs) 800 grams (1.76 lbs)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating 82 68
DXO Color Depth rating 23.7 23.1
DXO Dynamic range rating 14.1 11.2
DXO Low light rating 1162 714
Other
Battery life 980 pictures -
Style of battery Battery Pack -
Battery ID D-LI90 -
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/SDXC SD/MMC/SDHC card
Card slots Single Single
Retail pricing $800 $850