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Pentax K-1 vs Samsung GX-20

Portability
55
Imaging
76
Features
82
Overall
78
Pentax K-1 front
 
Samsung GX-20 front
Portability
58
Imaging
53
Features
52
Overall
52

Pentax K-1 vs Samsung GX-20 Key Specs

Pentax K-1
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Display
  • ISO 100 - 204800
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 1010g - 137 x 110 x 86mm
  • Revealed February 2016
  • Replacement is Pentax K-1 II
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Revealed January 2008
  • Old Model is Samsung GX-10
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Pentax K-1 vs Samsung GX-20 Overview

On this page, we will be looking at the Pentax K-1 vs Samsung GX-20, both Advanced DSLR digital cameras by companies Pentax and Samsung. There is a significant difference between the resolutions of the K-1 (36MP) and GX-20 (15MP) and the K-1 (Full frame) and GX-20 (APS-C) boast different sensor size.

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The K-1 was announced 8 years after the GX-20 which is quite a sizable gap as far as tech is concerned. Each of the cameras have the same body design (Mid-size SLR).

Before diving straight to a in depth comparison, here is a concise synopsis of how the K-1 grades against the GX-20 when it comes to portability, imaging, features and an overall score.

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Reasons to pick Pentax K-1 over the Samsung GX-20

 K-1 GX-20 
RevealedFebruary 2016January 2008More modern by 99 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimensions3.2"2.7"Bigger screen (+0.5")
Screen resolution1037k230kSharper screen (+807k dot)

Reasons to pick Samsung GX-20 over the Pentax K-1

 GX-20 K-1 

Common features in the Pentax K-1 and Samsung GX-20

 K-1 GX-20 
Manually focus Very exact focus
Selfie screen Neither offers selfie screen
Touch friendly screen Lack of Touch friendly screen

Pentax K-1 vs Samsung GX-20 Physical Comparison

In case you're going to carry around your camera often, you will need to take into account its weight and size. The Pentax K-1 offers physical dimensions of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) whilst the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Check the Pentax K-1 vs Samsung GX-20 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have chosen at the time. Here is a front view physical size comparison of the K-1 versus the GX-20.

Pentax K-1 vs Samsung GX-20 size comparison

Taking into account size and weight, the portability grade of the K-1 and GX-20 is 55 and 58 respectively.

Pentax K-1 vs Samsung GX-20 top view buttons comparison

Pentax K-1 vs Samsung GX-20 Sensor Comparison

Often, it can be difficult to visualize the difference between sensor sizes merely by going over specs. The picture below will provide you a far better sense of the sensor sizes in the K-1 and GX-20.

As you can plainly see, both the cameras provide different megapixel count and different sensor sizes. The K-1 using its bigger sensor is going to make shooting shallow DOF less difficult and the Pentax K-1 will offer extra detail with its extra 21MP. Higher resolution can also allow you to crop photographs more aggressively. The more modern K-1 should have a benefit when it comes to sensor innovation.

Pentax K-1 vs Samsung GX-20 sensor size comparison

Pentax K-1 vs Samsung GX-20 Screen and ViewFinder

Pentax K-1 vs Samsung GX-20 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-1
Portrait photography with Samsung GX-20
85
focusing manually
fantastic megapixels (36 megapixels)
big sensor size (Full frame)
provides face detect focus
supports RAW files
71
has manual focus
megapixel count good (15MP)
sensor size is decent (APS-C)
saves RAW formats
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Street Comparison

Pentax K-1 Street photography highlights
Samsung GX-20 Street photography highlights
70
fully articulated screen
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
supports RAW files
weather sealing
above average high ISO (204,800)
heavier than competitors (1,010 grams)
65
has image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
environment proofing
screen does not articulate
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Sports Comparison

Pentax K-1 Sports photography factors
Samsung GX-20 Sports photography factors
76
max shutter speed is good (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
fantastic megapixels (36 megapixels)
big sensor size (Full frame)
provides tracking focus
weather sealing
supports phase detect auto focus
slow frames per second (4.4 frames/s)
not so great battery pack (760 shots)
68
has image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is decent (APS-C)
environment proofing
comes with phase detect autofocus
max fps very slow (3.0 frames/s)
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Travel Comparison

Pentax K-1 Travel photography information
Samsung GX-20 Travel photography information
53
weather sealing
fantastic megapixels (36 megapixels)
not so great battery pack (760 per charge)
heavier than competitors (1,010 grams)
screen isn't selfie friendly
63
environment proofing
megapixel count good (15 megapixels)
has built in flash
display is not selfie friendly
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Landscape Comparison

Pentax K-1 Landscape photography details
Samsung GX-20 Landscape photography details
81
focusing manually
swap lenses (Pentax KAF2 mount)
screen is a decent size (3.2 inches)
image stabilization (Sensor based 5-axis)
fantastic megapixels (36 megapixels)
big sensor size (Full frame)
does not have anti-alias filter
above average high ISO (204,800)
supports RAW files
weather sealing
two card slots
not so great battery pack (760 shots)
70
has manual focus
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
megapixel count good (15 megapixels)
sensor size is decent (APS-C)
saves RAW formats
environment proofing
small screen (2.7")
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Vlogging Comparison

Pentax K-1 Vlogging details
Samsung GX-20 Vlogging details
31
image stabilization (Sensor based 5-axis)
provides face detect focus
high res video (1920 x 1080 resolution)
comes with mic socket
screen isn't selfie friendly
heavier than competitors (1,010 grams)
9
no video recording
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Pentax K-1 vs Samsung GX-20 Specifications

Detailed spec comparison table for Pentax K-1 and Samsung GX-20
 Pentax K-1Samsung GX-20
General Information
Brand Name Pentax Samsung
Model type Pentax K-1 Samsung GX-20
Category Advanced DSLR Advanced DSLR
Revealed 2016-02-17 2008-01-24
Body design Mid-size SLR Mid-size SLR
Sensor Information
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 35.9 x 24mm 23.4 x 15.6mm
Sensor surface area 861.6mm² 365.0mm²
Sensor resolution 36 megapixel 15 megapixel
Anti alias filter
Aspect ratio 3:2 -
Maximum resolution 7360 x 4912 4688 x 3120
Maximum native ISO 204800 3200
Maximum boosted ISO - 6400
Lowest native ISO 100 100
RAW images
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 33 11
Cross type focus points 25 -
Lens
Lens support Pentax KAF2 Pentax KAF2
Amount of lenses 151 151
Focal length multiplier 1 1.5
Screen
Display type Fully Articulated Fixed Type
Display diagonal 3.2 inch 2.7 inch
Display resolution 1,037k dot 230k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.7x 0.64x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting speed 4.4 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 13.00 m (at ISO 100)
Flash modes Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
Hot shoe
AE bracketing
WB bracketing
Maximum flash sync 1/200 seconds 1/180 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) -
Maximum video resolution 1920x1080 None
Video format MPEG-4, H.264 -
Microphone input
Headphone input
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010 grams (2.23 lb) 800 grams (1.76 lb)
Physical dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating 96 68
DXO Color Depth rating 25.4 23.1
DXO Dynamic range rating 14.6 11.2
DXO Low light rating 3280 714
Other
Battery life 760 shots -
Form of battery Battery Pack -
Battery ID D-LI90 -
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage media Dual SD/SDHC/SDXC (UHS-I) SD/MMC/SDHC card
Storage slots Dual One
Price at launch $1,499 $850