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Pentax X70 vs Samsung GX-20

Portability
71
Imaging
34
Features
34
Overall
34
Pentax X70 front
 
Samsung GX-20 front
Portability
58
Imaging
53
Features
52
Overall
52

Pentax X70 vs Samsung GX-20 Key Specs

Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Launched March 2009
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Push to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Launched January 2008
  • Replaced the Samsung GX-10
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Pentax X70 vs Samsung GX-20 Overview

The following is a extensive overview of the Pentax X70 and Samsung GX-20, one is a Small Sensor Superzoom and the latter is a Advanced DSLR by manufacturers Pentax and Samsung. The sensor resolution of the X70 (12MP) and the GX-20 (15MP) is relatively close but the X70 (1/2.3") and GX-20 (APS-C) come with different sensor size.

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The X70 was launched 14 months after the GX-20 which makes the cameras a generation away from each other. Both cameras offer different body type with the Pentax X70 being a SLR-like (bridge) camera and the Samsung GX-20 being a Mid-size SLR camera.

Before diving through a in depth comparison, below is a simple view of how the X70 scores vs the GX-20 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax X70 over the Samsung GX-20

 X70 GX-20 
LaunchedMarch 2009January 2008Newer by 14 months

Reasons to pick Samsung GX-20 over the Pentax X70

 GX-20 X70 

Common features in the Pentax X70 and Samsung GX-20

 X70 GX-20 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen size
Screen resolution230k230kThe same screen resolution
Selfie screen Absent selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax X70 vs Samsung GX-20 Physical Comparison

For those who are planning to travel with your camera regularly, you will want to think about its weight and dimensions. The Pentax X70 has got outer measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") and a weight of 410 grams (0.90 lbs) while the Samsung GX-20 has dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Contrast the Pentax X70 and Samsung GX-20 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached at that time. Following is the front view physical size comparison of the X70 vs the GX-20.

Pentax X70 vs Samsung GX-20 size comparison

Looking at size and weight, the portability rating of the X70 and GX-20 is 71 and 58 respectively.

Pentax X70 vs Samsung GX-20 top view buttons comparison

Pentax X70 vs Samsung GX-20 Sensor Comparison

Often, it is very difficult to visualize the gap in sensor dimensions merely by viewing specs. The image underneath should provide you a clearer sense of the sensor sizing in the X70 and GX-20.

All in all, the 2 cameras offer different megapixel count and different sensor dimensions. The X70 due to its smaller sensor is going to make achieving shallower depth of field harder and the Samsung GX-20 will result in more detail utilizing its extra 3MP. Higher resolution can also let you crop photographs a little more aggressively. The more recent X70 should have a benefit when it comes to sensor tech.

Pentax X70 vs Samsung GX-20 sensor size comparison

Pentax X70 vs Samsung GX-20 Screen and ViewFinder

Pentax X70 vs Samsung GX-20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography info
Samsung GX-20 Portrait photography info
28
has manual focus
can't use external flash
low MP (12MP)
sensor is very small (1/2.3")
lacks RAW support
71
manual focus
megapixel count good (15 megapixels)
decent sensor size (APS-C)
exports RAW formats
Photography Glossary

Street Comparison

Pentax X70 Street photography highlights
Samsung GX-20 Street photography highlights
46
built in image stabilization (Sensor-shift)
fixed screen
sensor is very small (1/2.3")
lacks RAW support
65
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
weather proofing
no moving screen
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Sports Comparison

Pentax X70 Sports photography advice
Samsung GX-20 Sports photography advice
50
amazing zoom range (26-624mm 24.0 x zoom)
built in image stabilization (Sensor-shift)
provides tracking focus
sensor has phase detect AF
low MP (12 megapixels)
sensor is very small (1/2.3")
68
image stabilization (Sensor based)
megapixel count good (15MP)
decent sensor size (APS-C)
weather proofing
comes with phase detect autofocus
slow fps (3.0 frames per second)
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Travel Comparison

Pentax X70 as a Travel photography camera
Samsung GX-20 as a Travel photography camera
52
built-in flash
fairly wide (26mm)
great reach (624mm)
lack of Time Lapse function
low MP (12 megapixels)
doesn't offer selfie friendly display
sluggish max aperture (f2.8)
63
weather proofing
megapixel count good (15MP)
has built in flash
display is not selfie friendly
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Landscape Comparison

Landscape photography with Pentax X70
Landscape photography with Samsung GX-20
35
has manual focus
fairly wide (26mm)
built in image stabilization (Sensor-shift)
can't switch lens (fixed lens mount)
sluggish max aperture (f2.8)
small screen (2.7")
low MP (12MP)
sensor is very small (1/2.3")
lacks RAW support
lack of Time Lapse function
70
manual focus
interchangeable lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count good (15 megapixels)
decent sensor size (APS-C)
exports RAW formats
weather proofing
small screen (2.7")
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Vlogging Comparison

Pentax X70 as a Vlogging camera
Samsung GX-20 as a Vlogging camera
24
fairly wide (26mm)
built in image stabilization (Sensor-shift)
sluggish max aperture (f2.8)
doesn't offer selfie friendly display
video resolution low (1280 x 720 resolution)
lack of mic support
9
no video
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Pentax X70 vs Samsung GX-20 Specifications

Detailed spec comparison table for Pentax X70 and Samsung GX-20
 Pentax X70Samsung GX-20
General Information
Make Pentax Samsung
Model type Pentax X70 Samsung GX-20
Category Small Sensor Superzoom Advanced DSLR
Launched 2009-03-02 2008-01-24
Body design SLR-like (bridge) Mid-size SLR
Sensor Information
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.4 x 15.6mm
Sensor surface area 28.1mm² 365.0mm²
Sensor resolution 12 megapixels 15 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Highest resolution 4000 x 3000 4688 x 3120
Highest native ISO 6400 3200
Highest boosted ISO - 6400
Minimum native ISO 50 100
RAW photos
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 9 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 26-624mm (24.0x) -
Maximal aperture f/2.8-5.0 -
Macro focusing distance 10cm -
Total lenses - 151
Crop factor 5.8 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 2.7 inch 2.7 inch
Display resolution 230 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder coverage - 95%
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shooting speed - 3.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 9.10 m 13.00 m (at ISO 100)
Flash options - Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AE bracketing
White balance bracketing
Highest flash sync - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) -
Highest video resolution 1280x720 None
Video data format Motion JPEG -
Microphone input
Headphone input
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 seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 410 gr (0.90 pounds) 800 gr (1.76 pounds)
Dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating not tested 68
DXO Color Depth rating not tested 23.1
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 714
Other
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC, Internal SD/MMC/SDHC card
Storage slots Single Single
Retail pricing $200 $850