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Samsung GX-20 vs Sony A7R III

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Samsung GX-20 vs Sony A7R III Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Released January 2008
  • Earlier Model is Samsung GX-10
Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Increase to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Announced October 2017
  • Succeeded the Sony A7R II
  • Renewed by Sony A7R IV
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Samsung GX-20 vs Sony A7R III Overview

In this article, we are comparing the Samsung GX-20 versus Sony A7R III, one being a Advanced DSLR and the other is a Pro Mirrorless by manufacturers Samsung and Sony. There exists a huge gap among the sensor resolutions of the GX-20 (15MP) and A7R III (42MP) and the GX-20 (APS-C) and A7R III (Full frame) enjoy different sensor sizing.

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The GX-20 was introduced 10 years prior to the A7R III and that is a fairly significant gap as far as camera technology is concerned. The two cameras offer different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going through a in-depth comparison, below is a quick overview of how the GX-20 matches up against the A7R III in regards to portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Sony A7R III

 GX-20 A7R III 

Reasons to pick Sony A7R III over the Samsung GX-20

 A7R III GX-20 
AnnouncedOctober 2017January 2008Fresher by 118 months
Display typeTiltingFixed Tilting display
Display sizing3"2.7"Larger display (+0.3")
Display resolution1440k230kCrisper display (+1210k dot)
Touch friendly display Easily navigate

Common features in the Samsung GX-20 and Sony A7R III

 GX-20 A7R III 
Focus manually More precise focus
Selfie screen No selfie screen

Samsung GX-20 vs Sony A7R III Physical Comparison

For anyone who is looking to carry your camera, you will have to consider its weight and proportions. The Samsung GX-20 features outside 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 A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Check out the Samsung GX-20 versus Sony A7R III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising during that time. Below is the front view proportions comparison of the GX-20 against the A7R III.

Samsung GX-20 vs Sony A7R III size comparison

Factoring in dimensions and weight, the portability grade of the GX-20 and A7R III is 58 and 63 respectively.

Samsung GX-20 vs Sony A7R III top view buttons comparison

Samsung GX-20 vs Sony A7R III Sensor Comparison

Normally, it is very hard to picture the gap in sensor sizing just by seeing specs. The photograph here may provide you a much better sense of the sensor sizes in the GX-20 and A7R III.

All in all, the two cameras enjoy different megapixel count and different sensor sizing. The GX-20 having a smaller sensor is going to make shooting shallower depth of field trickier and the Sony A7R III will produce more detail using its extra 27MP. Greater resolution will enable you to crop images far more aggressively. The older GX-20 will be behind in sensor innovation.

Samsung GX-20 vs Sony A7R III sensor size comparison

Samsung GX-20 vs Sony A7R III Screen and ViewFinder

Samsung GX-20 vs Sony A7R III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography features
Sony A7R III Portrait photography features
71
has manual focus
resolution is good (15 megapixels)
sensor size is good (APS-C)
exports RAW files
86
you can focus manually
megapixel count amazing (42MP)
great sensor size (Full frame)
provides face detect focus
exports RAW formats
Photography Glossary

Street Comparison

Samsung GX-20 as a Street photography camera
Sony A7R III as a Street photography camera
65
has image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
weather sealing
no moving screen
79
screen tilts
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
exports RAW formats
features focus via touch
environment sealing
good high ISO (32,000)
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Sports Comparison

Samsung GX-20 Sports photography details
Sony A7R III Sports photography details
68
has image stabilization (Sensor based)
resolution is good (15 megapixels)
sensor size is good (APS-C)
weather sealing
sensor has phase detect autofocus
max frames per second low (3.0 fps)
89
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (42 megapixels)
great sensor size (Full frame)
provides tracking focus
environment sealing
good battery power (650 per charge)
supports phase detect auto focus
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Travel Comparison

Travel photography with Samsung GX-20
Travel photography with Sony A7R III
63
weather sealing
resolution is good (15MP)
has built in flash
display isn't selfie friendly
74
good battery power (650 CIPA)
environment sealing
supports bluetooth
features focus via touch
megapixel count amazing (42MP)
doesn't feature selfie friendly display
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Landscape Comparison

Landscape photography with Samsung GX-20
Landscape photography with Sony A7R III
70
has manual focus
switch lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
resolution is good (15 megapixels)
sensor size is good (APS-C)
exports RAW files
weather sealing
tiny screen (2.7 inches)
87
you can focus manually
switch lenses (Sony E mount)
pretty good screen size (3")
built in image stabilization (Sensor based 5-axis)
megapixel count amazing (42MP)
great sensor size (Full frame)
no low pass filter
good high ISO (32,000)
exports RAW formats
environment sealing
good battery power (650 shots)
has dual storage slots
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Vlogging Comparison

Samsung GX-20 as a Vlogging camera
Sony A7R III as a Vlogging camera
9
no video recording
37
touch screen
built in image stabilization (Sensor based 5-axis)
provides face detect focus
high res video (3840 x 2160 resolution)
comes with microphone jack
doesn't feature selfie friendly display
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Samsung GX-20 vs Sony A7R III Specifications

Detailed spec comparison table for Samsung GX-20 and Sony A7R III
 Samsung GX-20Sony Alpha A7R III
General Information
Brand Samsung Sony
Model type Samsung GX-20 Sony Alpha A7R III
Class Advanced DSLR Pro Mirrorless
Released 2008-01-24 2017-10-25
Body design Mid-size SLR SLR-style mirrorless
Sensor Information
Processor Chip - Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 23.4 x 15.6mm 35.9 x 24mm
Sensor area 365.0mm² 861.6mm²
Sensor resolution 15 megapixel 42 megapixel
Anti alias filter
Aspect ratio - 3:2 and 16:9
Full resolution 4688 x 3120 7952 x 5304
Max native ISO 3200 32000
Max boosted ISO 6400 102400
Minimum native ISO 100 100
RAW images
Minimum boosted ISO - 50
Autofocusing
Manual focusing
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 425
Lens
Lens mount type Pentax KAF2 Sony E
Total lenses 151 121
Focal length multiplier 1.5 1
Screen
Range of display Fixed Type Tilting
Display diagonal 2.7 inches 3 inches
Display resolution 230 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 3,686 thousand dot
Viewfinder coverage 95% 100%
Viewfinder magnification 0.64x 0.78x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/4000s 1/8000s
Continuous shooting speed 3.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) no built-in flash
Flash settings Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution None 3840x2160
Video format - MPEG-4, AVCHD, XAVC S
Microphone input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 lb) 657 grams (1.45 lb)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO All around rating 68 100
DXO Color Depth rating 23.1 26.0
DXO Dynamic range rating 11.2 14.7
DXO Low light rating 714 3523
Other
Battery life - 650 shots
Battery format - Battery Pack
Battery ID - NP-FZ100
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature
Storage media SD/MMC/SDHC card Two SD/SDHC/SDXC slots (UHS-II support on one)
Storage slots Single Dual
Retail cost $850 $2,800