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Samsung GX-20 vs Sony A550

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Alpha DSLR-A550 front
Portability
63
Imaging
54
Features
65
Overall
58

Samsung GX-20 vs Sony A550 Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Revealed January 2008
  • Succeeded the Samsung GX-10
Sony A550
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 632g - 137 x 104 x 84mm
  • Released December 2009
  • Previous Model is Sony A100
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Samsung GX-20 vs Sony A550 Overview

The following is a in depth comparison of the Samsung GX-20 versus Sony A550, former is a Advanced DSLR while the other is a Entry-Level DSLR by competitors Samsung and Sony. The resolution of the GX-20 (15MP) and the A550 (14MP) is fairly well matched and they feature the same exact sensor size (APS-C).

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The GX-20 was introduced 22 months before the A550 making the cameras a generation away from each other. The two cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony A550 being a Compact SLR camera.

Before going straight into a more detailed comparison, below is a concise summary of how the GX-20 matches up versus the A550 with regards to portability, imaging, features and an overall mark.

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Reasons to pick Samsung GX-20 over the Sony A550

 GX-20 A550 

Reasons to pick Sony A550 over the Samsung GX-20

 A550 GX-20 
ReleasedDecember 2009January 2008Newer by 22 months
Display typeTiltingFixed Tilting display
Display sizing3"2.7"Larger display (+0.3")
Display resolution922k230kClearer display (+692k dot)

Common features in the Samsung GX-20 and Sony A550

 GX-20 A550 
Focus manually More accurate focus
Selfie screen Neither includes selfie screen
Touch display Neither includes Touch display

Samsung GX-20 vs Sony A550 Physical Comparison

For anyone who is looking to travel with your camera often, you will want to take into account its weight and volume. The Samsung GX-20 features outer dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) and the Sony A550 has sizing of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 632 grams (1.39 lbs).

Examine the Samsung GX-20 versus Sony A550 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will change based on the lens you are using during that time. The following is the front view overall size comparison of the GX-20 and the A550.

Samsung GX-20 vs Sony A550 size comparison

Using size and weight, the portability score of the GX-20 and A550 is 58 and 63 respectively.

Samsung GX-20 vs Sony A550 top view buttons comparison

Samsung GX-20 vs Sony A550 Sensor Comparison

In many cases, it is hard to envision the difference between sensor dimensions only by checking specifications. The image underneath may offer you a much better sense of the sensor dimensions in the GX-20 and A550.

To sum up, the two cameras enjoy the same exact sensor sizing but not the same MP. You can anticipate the Samsung GX-20 to resolve more detail using its extra 1 Megapixels. Greater resolution will allow you to crop photos far more aggressively. The more aged GX-20 is going to be behind with regard to sensor innovation.

Samsung GX-20 vs Sony A550 sensor size comparison

Samsung GX-20 vs Sony A550 Screen and ViewFinder

Samsung GX-20 vs Sony A550 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography factors
Sony A550 Portrait photography factors
71
manual focus
megapixel count decent (15MP)
sensor size is good (APS-C)
supports RAW formats
72
has manual focus
megapixel count decent (14 megapixels)
sensor size is nice (APS-C)
supports face detect focus
exports RAW formats
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Street Comparison

Samsung GX-20 Street photography info
Sony A550 Street photography info
65
has image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
weather proofing
screen is fixed
74
tilting screen
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
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Sports Comparison

Sports photography with Samsung GX-20
Sports photography with Sony A550
68
has image stabilization (Sensor based)
megapixel count decent (15 megapixels)
sensor size is good (APS-C)
weather proofing
comes with phase detect auto focus
low fps (3.0 frames/s)
67
built in image stabilization (Sensor based)
megapixel count decent (14MP)
sensor size is nice (APS-C)
comes with phase detect auto focus
bad battery power (480 shots)
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Travel Comparison

Samsung GX-20 Travel photography details
Sony A550 Travel photography details
63
weather proofing
megapixel count decent (15 megapixels)
has built in flash
screen is not selfie friendly
52
megapixel count decent (14MP)
has built in flash
doesn't have Timelapse mode
bad battery power (480 shots)
screen is not selfie friendly
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Landscape Comparison

Samsung GX-20 Landscape photography highlights
Sony A550 Landscape photography highlights
70
manual focus
swap lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
megapixel count decent (15 megapixels)
sensor size is good (APS-C)
supports RAW formats
weather proofing
small screen (2.7 inches)
66
has manual focus
change lenses (Sony/Minolta Alpha mount)
nice screen size (3 inch)
built in image stabilization (Sensor based)
megapixel count decent (14MP)
sensor size is nice (APS-C)
exports RAW formats
bad battery power (480 shots)
doesn't have Timelapse mode
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Vlogging Comparison

Samsung GX-20 Vlogging information
Sony A550 Vlogging information
9
no video recording
9
can't shoot video
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Samsung GX-20 vs Sony A550 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony A550
 Samsung GX-20Sony Alpha DSLR-A550
General Information
Company Samsung Sony
Model type Samsung GX-20 Sony Alpha DSLR-A550
Category Advanced DSLR Entry-Level DSLR
Revealed 2008-01-24 2009-12-09
Body design Mid-size SLR Compact SLR
Sensor Information
Processor - Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.4 x 15.6mm 23.4 x 15.6mm
Sensor area 365.0mm² 365.0mm²
Sensor resolution 15MP 14MP
Anti alias filter
Aspect ratio - 3:2 and 16:9
Maximum resolution 4688 x 3120 4592 x 3056
Maximum native ISO 3200 12800
Maximum boosted ISO 6400 -
Minimum native ISO 100 200
RAW files
Autofocusing
Manual focusing
Touch focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 9
Lens
Lens support Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Crop factor 1.5 1.5
Screen
Range of screen Fixed Type Tilting
Screen size 2.7 inch 3 inch
Resolution of screen 230 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 95% 95%
Viewfinder magnification 0.64x 0.53x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/4000s 1/4000s
Continuous shooting speed 3.0 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) 12.00 m
Flash options 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
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/180s 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Maximum video resolution None None
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 800g (1.76 lbs) 632g (1.39 lbs)
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 All around rating 68 66
DXO Color Depth rating 23.1 21.9
DXO Dynamic range rating 11.2 11.8
DXO Low light rating 714 807
Other
Battery life - 480 photos
Battery format - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/MMC/SDHC card SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots 1 1
Launch price $850 $749