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Samsung GX-20 vs Sony A9

Portability
58
Imaging
54
Features
52
Overall
53
Samsung GX-20 front
 
Sony Alpha A9 front
Portability
65
Imaging
74
Features
93
Overall
81

Samsung GX-20 vs Sony A9 Key Specs

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
  • Announced January 2008
  • Replaced the Samsung GX-10
Sony A9
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Increase to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 673g - 127 x 96 x 63mm
  • Revealed April 2017
  • Renewed by Sony A9 II
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Samsung GX-20 vs Sony A9 Overview

Here is a thorough assessment of the Samsung GX-20 and Sony A9, one being a Advanced DSLR and the latter is a Pro Mirrorless by companies Samsung and Sony. There exists a big gap between the resolutions of the GX-20 (15MP) and A9 (24MP) and the GX-20 (APS-C) and A9 (Full frame) possess totally different sensor dimensions.

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The GX-20 was announced 10 years before the A9 and that is quite a big gap as far as technology is concerned. Both of the cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving through a full comparison, below is a simple overview of how the GX-20 matches up vs the A9 for portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Sony A9

 GX-20 A9 

Reasons to pick Sony A9 over the Samsung GX-20

 A9 GX-20 
RevealedApril 2017January 2008Fresher by 112 months
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.7"Bigger screen (+0.3")
Screen resolution1440k230kCrisper screen (+1210k dot)
Touch screen Quickly navigate

Common features in the Samsung GX-20 and Sony A9

 GX-20 A9 
Manually focus More exact focus
Selfie screen Neither contains selfie screen

Samsung GX-20 vs Sony A9 Physical Comparison

In case you're going to carry your camera regularly, you have to factor in its weight and proportions. The Samsung GX-20 has got exterior dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") having a weight of 800 grams (1.76 lbs) while the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).

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Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilising at that moment. The following is the front view physical size comparison of the GX-20 versus the A9.

Samsung GX-20 vs Sony A9 size comparison

Looking at dimensions and weight, the portability rating of the GX-20 and A9 is 58 and 65 respectively.

Samsung GX-20 vs Sony A9 top view buttons comparison

Samsung GX-20 vs Sony A9 Sensor Comparison

Sometimes, it is hard to see the contrast between sensor sizing purely by reading specifications. The photograph underneath should give you a more clear sense of the sensor dimensions in the GX-20 and A9.

Plainly, both cameras enjoy different megapixels and different sensor sizing. The GX-20 with its tinier sensor will make getting shallow DOF harder and the Sony A9 will offer extra detail with its extra 9 Megapixels. Higher resolution will make it easier to crop pictures far more aggressively. The older GX-20 is going to be disadvantaged in sensor innovation.

Samsung GX-20 vs Sony A9 sensor size comparison

Samsung GX-20 vs Sony A9 Screen and ViewFinder

Samsung GX-20 vs Sony A9 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Samsung GX-20 as a Portrait photography camera
Sony A9 as a Portrait photography camera
72
manual focus
good MP (15 megapixels)
sensor size is decent (APS-C)
saves RAW formats
84
manual focus
megapixel count decent (24MP)
big sensor size (Full frame)
supports face detect focus
saves RAW files
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Street Comparison

Street photography with Samsung GX-20
Street photography with Sony A9
65
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
weather proofing
fixed screen
79
screen tilts
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
includes focus via touch
environment proofing
very good high ISO (51,200)
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Sports Comparison

Samsung GX-20 as a Sports photography camera
Sony A9 as a Sports photography camera
68
built in image stabilization (Sensor based)
good MP (15 megapixels)
sensor size is decent (APS-C)
weather proofing
supports phase detect auto focus
slow continuous shooting (3.0 frames per second)
87
high shutter speed (1/8,000 seconds)
silent shooting (1/32,000 seconds)
high max fps (20.0 frames per second)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
big sensor size (Full frame)
supports tracking focus
environment proofing
better than average battery (650 shots)
has phase detect auto focus
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Travel Comparison

Samsung GX-20 Travel photography info
Sony A9 Travel photography info
64
weather proofing
good MP (15MP)
built-in flash
display is not selfie friendly
74
better than average battery (650 per charge)
environment proofing
supports bluetooth
includes focus via touch
megapixel count decent (24 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Samsung GX-20 as a Landscape photography camera
Sony A9 as a Landscape photography camera
71
manual focus
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
good MP (15 megapixels)
sensor size is decent (APS-C)
saves RAW formats
weather proofing
screen is somewhat small (2.7 inch)
86
manual focus
change lenses (Sony E mount)
decent sized screen (3 inch)
image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
big sensor size (Full frame)
very good high ISO (51,200)
saves RAW files
environment proofing
better than average battery (650 shots)
has double storage slots
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Vlogging Comparison

Samsung GX-20 Vlogging highlights
Sony A9 Vlogging highlights
9
no video shooting
37
touchscreen capability
image stabilization (Sensor based 5-axis)
supports face detect focus
video resolution high (3840 x 2160 pxls)
has microphone port
screen isn't selfie friendly
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Samsung GX-20 vs Sony A9 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony A9
 Samsung GX-20Sony Alpha A9
General Information
Brand Samsung Sony
Model Samsung GX-20 Sony Alpha A9
Type Advanced DSLR Pro Mirrorless
Announced 2008-01-24 2017-04-19
Body design Mid-size SLR SLR-style mirrorless
Sensor Information
Processor - BIONZ X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 23.4 x 15.6mm 35.6 x 23.8mm
Sensor surface area 365.0mm² 847.3mm²
Sensor resolution 15MP 24MP
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Full resolution 4688 x 3120 6000 x 4000
Max native ISO 3200 51200
Max boosted ISO 6400 204800
Minimum native ISO 100 100
RAW format
Minimum boosted ISO - 50
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 693
Lens
Lens mount Pentax KAF2 Sony E
Available lenses 151 121
Focal length multiplier 1.5 1
Screen
Screen type Fixed Type Tilting
Screen diagonal 2.7" 3"
Resolution of screen 230 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 3,686 thousand dot
Viewfinder coverage 95% 100%
Viewfinder magnification 0.64x 0.78x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/8000s
Maximum silent shutter speed - 1/32000s
Continuous shooting speed 3.0 frames per second 20.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) no built-in flash
Flash settings Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Max video resolution None 3840x2160
Video format - MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
Connectivity
Wireless None Built-In
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 lbs) 673 grams (1.48 lbs)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 127 x 96 x 63mm (5.0" x 3.8" x 2.5")
DXO scores
DXO All around score 68 92
DXO Color Depth score 23.1 24.9
DXO Dynamic range score 11.2 13.3
DXO Low light score 714 3517
Other
Battery life - 650 pictures
Style of battery - Battery Pack
Battery model - NP-FZ100
Self timer Yes (2 or 10 sec) Yes (2, 5, 10 secs + continuous)
Time lapse feature
Type of storage SD/MMC/SDHC card Dual SD/SDHC/SDXC slots (UHS-II compatible)
Storage slots One Two
Pricing at launch $850 $4,498