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Samsung GX-20 vs Sony A580

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Alpha DSLR-A580 front
Portability
64
Imaging
56
Features
82
Overall
66

Samsung GX-20 vs Sony A580 Key Specs

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
  • Replaced the Samsung GX-10
Sony A580
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 12800 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 599g - 137 x 104 x 84mm
  • Launched May 2011
  • Superseded the Sony A100
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Samsung GX-20 vs Sony A580 Overview

Here is a thorough assessment of the Samsung GX-20 vs Sony A580, former being a Advanced DSLR while the latter is a Entry-Level DSLR by manufacturers Samsung and Sony. The sensor resolution of the GX-20 (15MP) and the A580 (16MP) is pretty close and both cameras have the identical sensor measurements (APS-C).

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The GX-20 was announced 4 years before the A580 and that is a fairly big difference as far as camera technology is concerned. The two cameras feature different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sony A580 being a Compact SLR camera.

Before getting straight to a step-by-step comparison, here is a brief synopsis of how the GX-20 grades versus the A580 when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Sony A580

 GX-20 A580 

Reasons to pick Sony A580 over the Samsung GX-20

 A580 GX-20 
LaunchedMay 2011January 2008Fresher by 40 months
Screen typeTiltingFixed Tilting screen
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution922k230kSharper screen (+692k dot)

Common features in the Samsung GX-20 and Sony A580

 GX-20 A580 
Manual focus More exact focus
Selfie screen Neither includes selfie screen
Touch friendly screen Neither includes Touch friendly screen

Samsung GX-20 vs Sony A580 Physical Comparison

For anybody who is aiming to carry your camera, you're going to have to factor in its weight and measurements. The Samsung GX-20 features outside dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs) while the Sony A580 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 599 grams (1.32 lbs).

See the Samsung GX-20 vs Sony A580 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ based on the lens you select at the time. Below is a front view dimension comparison of the GX-20 compared to the A580.

Samsung GX-20 vs Sony A580 size comparison

Factoring in dimensions and weight, the portability grade of the GX-20 and A580 is 58 and 64 respectively.

Samsung GX-20 vs Sony A580 top view buttons comparison

Samsung GX-20 vs Sony A580 Sensor Comparison

Normally, its hard to envision the gap in sensor sizing only by researching a spec sheet. The photograph underneath may give you a much better sense of the sensor dimensions in the GX-20 and A580.

Clearly, the two cameras come with the identical sensor size albeit not the same megapixels. You can expect the Sony A580 to provide you with extra detail with its extra 1MP. Higher resolution will also make it easier to crop pictures a good deal more aggressively. The older GX-20 will be behind when it comes to sensor innovation.

Samsung GX-20 vs Sony A580 sensor size comparison

Samsung GX-20 vs Sony A580 Screen and ViewFinder

Samsung GX-20 vs Sony A580 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 as a Portrait photography camera
Sony A580 as a Portrait photography camera
71
you can focus manually
good resolution (15MP)
good sensor size (APS-C)
exports RAW formats
73
manual focus
sensor resolution is decent (16 megapixels)
sensor size is good (APS-C)
has face detection autofocus
delivers RAW files
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Street Comparison

Samsung GX-20 as a Street photography camera
Sony A580 as a Street photography camera
65
has image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
weather sealing
screen is fixed
75
screen tilts
built in image stabilization (Sensor based)
sensor size is good (APS-C)
delivers RAW files
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Sports Comparison

Samsung GX-20 Sports photography highlights
Sony A580 Sports photography highlights
68
has image stabilization (Sensor based)
good resolution (15MP)
good sensor size (APS-C)
weather sealing
sensor has phase detect autofocus
continuous shooting slow (3.0 frames/s)
78
built in image stabilization (Sensor based)
sensor resolution is decent (16 megapixels)
sensor size is good (APS-C)
has tracking autofocus
great battery life (1,050 shots)
has phase detect autofocus
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Travel Comparison

Samsung GX-20 as a Travel photography camera
Sony A580 as a Travel photography camera
63
weather sealing
good resolution (15MP)
has built in flash
display is not selfie friendly
60
great battery life (1,050 shots)
sensor resolution is decent (16 megapixels)
flash built-in
missing Time Lapse mode
does not have selfie friendly screen
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Landscape Comparison

Samsung GX-20 Landscape photography information
Sony A580 Landscape photography information
70
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
good resolution (15 megapixels)
good sensor size (APS-C)
exports RAW formats
weather sealing
screen is somewhat small (2.7 inch)
73
manual focus
change lenses (Sony/Minolta Alpha mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based)
sensor resolution is decent (16MP)
sensor size is good (APS-C)
delivers RAW files
great battery life (1,050 CIPA)
has double storage slots
missing Time Lapse mode
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Vlogging Comparison

Samsung GX-20 Vlogging details
Sony A580 Vlogging details
9
lack of video recording
34
built in image stabilization (Sensor based)
has face detection autofocus
high res video (1920 x 1080 pixels)
has external mic port
does not have selfie friendly screen
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Samsung GX-20 vs Sony A580 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony A580
 Samsung GX-20Sony Alpha DSLR-A580
General Information
Brand Name Samsung Sony
Model Samsung GX-20 Sony Alpha DSLR-A580
Category Advanced DSLR Entry-Level DSLR
Revealed 2008-01-24 2011-05-26
Body design Mid-size SLR Compact SLR
Sensor Information
Powered by - Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.4 x 15.6mm 23.5 x 15.6mm
Sensor surface area 365.0mm² 366.6mm²
Sensor resolution 15 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Peak resolution 4688 x 3120 4912 x 3264
Highest native ISO 3200 12800
Highest enhanced ISO 6400 25600
Minimum native ISO 100 100
RAW format
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 15
Cross focus points - 3
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Number of lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Range of screen Fixed Type Tilting
Screen sizing 2.7 inch 3 inch
Screen resolution 230 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 95% 95%
Viewfinder magnification 0.64x 0.53x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 3.0fps 7.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) 12.00 m
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AE bracketing
White balance bracketing
Fastest flash sync 1/180 seconds 1/160 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution None 1920x1080
Video format - MPEG-4, AVCHD, H.264
Mic jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 pounds) 599 grams (1.32 pounds)
Physical dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 137 x 104 x 84mm (5.4" x 4.1" x 3.3")
DXO scores
DXO Overall score 68 80
DXO Color Depth score 23.1 23.8
DXO Dynamic range score 11.2 13.3
DXO Low light score 714 1121
Other
Battery life - 1050 photographs
Style of battery - Battery Pack
Battery model - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/MMC/SDHC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Two
Launch cost $850 $848