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Canon 5D MIII vs Samsung GX-20

Portability
55
Imaging
68
Features
74
Overall
70
Canon EOS 5D Mark III front
 
Samsung GX-20 front
Portability
58
Imaging
54
Features
52
Overall
53

Canon 5D MIII vs Samsung GX-20 Key Specs

Canon 5D MIII
(Full Review)
  • 22MP - Full frame Sensor
  • 3.2" Fixed Screen
  • ISO 100 - 25600 (Increase to 102400)
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Canon EF Mount
  • 950g - 152 x 116 x 76mm
  • Introduced May 2012
  • Earlier Model is Canon 5D MII
  • New Model is Canon 5D MIV
Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Increase to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Launched January 2008
  • Earlier Model is Samsung GX-10
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Canon 5D MIII vs Samsung GX-20 Overview

Let's look closer at the Canon 5D MIII vs Samsung GX-20, both Advanced DSLR cameras by competitors Canon and Samsung. There is a big difference among the resolutions of the 5D MIII (22MP) and GX-20 (15MP) and the 5D MIII (Full frame) and GX-20 (APS-C) posses different sensor sizing.

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The 5D MIII was launched 4 years later than the GX-20 and that is a fairly big gap as far as camera tech is concerned. Both cameras have the same body design (Mid-size SLR).

Before delving into a more detailed comparison, here is a concise summation of how the 5D MIII grades vs the GX-20 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Canon 5D MIII over the Samsung GX-20

 5D MIII GX-20 
LaunchedMay 2012January 2008More recent by 53 months
Display dimensions3.2"2.7"Larger display (+0.5")
Display resolution1040k230kSharper display (+810k dot)

Reasons to pick Samsung GX-20 over the Canon 5D MIII

 GX-20 5D MIII 

Common features in the Canon 5D MIII and Samsung GX-20

 5D MIII GX-20 
Manually focus Dial exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Absent selfie screen
Touch friendly display Absent Touch friendly display

Canon 5D MIII vs Samsung GX-20 Physical Comparison

In case you're intending to lug around your camera often, you will have to take into account its weight and size. The Canon 5D MIII offers physical measurements of 152mm x 116mm x 76mm (6.0" x 4.6" x 3.0") and a weight of 950 grams (2.09 lbs) and the Samsung GX-20 has specifications of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

See the Canon 5D MIII vs Samsung GX-20 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that moment. Here is a front view measurements comparison of the 5D MIII compared to the GX-20.

Canon 5D MIII vs Samsung GX-20 size comparison

Taking into account size and weight, the portability rating of the 5D MIII and GX-20 is 55 and 58 respectively.

Canon 5D MIII vs Samsung GX-20 top view buttons comparison

Canon 5D MIII vs Samsung GX-20 Sensor Comparison

Oftentimes, its difficult to picture the difference in sensor measurements only by seeing specs. The graphic here might give you a stronger sense of the sensor sizing in the 5D MIII and GX-20.

As you can plainly see, both of those cameras have different megapixel count and different sensor measurements. The 5D MIII featuring a larger sensor is going to make shooting shallower DOF easier and the Canon 5D MIII will produce more detail utilizing its extra 7 Megapixels. Greater resolution will help you crop images a bit more aggressively. The more modern 5D MIII should have an edge in sensor tech.

Canon 5D MIII vs Samsung GX-20 sensor size comparison

Canon 5D MIII vs Samsung GX-20 Screen and ViewFinder

Canon 5D MIII vs Samsung GX-20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon 5D MIII
Portrait photography with Samsung GX-20
80
you can focus manually
megapixel count decent (22MP)
great sensor size (Full frame)
features face detect focusing
saves RAW files
72
focusing manually
decent megapixels (15 megapixels)
decent sensor size (APS-C)
exports RAW formats
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Street Comparison

Canon 5D MIII Street photography features
Samsung GX-20 Street photography features
58
great sensor size (Full frame)
saves RAW files
weather proof
great ISO range (25,600)
no articulating screen
lack of image stabilization
more heavy than others (950 grams)
65
has image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW formats
weather proof
no articulating screen
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Sports Comparison

Canon 5D MIII as a Sports photography camera
Samsung GX-20 as a Sports photography camera
71
great max shutter speed (1/8,000 seconds)
megapixel count decent (22 megapixels)
great sensor size (Full frame)
features tracking focus
weather proof
comes with phase detect AF
painfully slow continuous shooting (6.0 frames per second)
lack of image stabilization
68
has image stabilization (Sensor based)
decent megapixels (15 megapixels)
decent sensor size (APS-C)
weather proof
sensor has phase detect auto focus
slow frames per second (3.0 frames/s)
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Travel Comparison

Canon 5D MIII Travel photography highlights
Samsung GX-20 Travel photography highlights
51
weather proof
megapixel count decent (22MP)
no Timelapse mode
more heavy than others (950g)
doesn't have a selfie friendly screen
64
weather proof
decent megapixels (15MP)
built-in flash
doesn't feature selfie friendly screen
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Landscape Comparison

Landscape photography with Canon 5D MIII
Landscape photography with Samsung GX-20
73
you can focus manually
change lenses (Canon EF mount)
nice screen size (3.2 inch)
megapixel count decent (22MP)
great sensor size (Full frame)
great ISO range (25,600)
saves RAW files
weather proof
2 card slots
lack of image stabilization
no Timelapse mode
71
focusing manually
change lenses (Pentax KAF2 mount)
has image stabilization (Sensor based)
decent megapixels (15 megapixels)
decent sensor size (APS-C)
exports RAW formats
weather proof
screen is somewhat small (2.7 inches)
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Vlogging Comparison

Canon 5D MIII Vlogging features
Samsung GX-20 Vlogging features
27
features face detect focusing
video resolution high (1920 x 1080 pxls)
does have microphone support
doesn't have a selfie friendly screen
lack of image stabilization
more heavy than others (950g)
9
no video recording
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Canon 5D MIII vs Samsung GX-20 Specifications

Detailed spec comparison table for Canon 5D MIII and Samsung GX-20
 Canon EOS 5D Mark IIISamsung GX-20
General Information
Manufacturer Canon Samsung
Model type Canon EOS 5D Mark III Samsung GX-20
Type Advanced DSLR Advanced DSLR
Introduced 2012-05-22 2008-01-24
Body design Mid-size SLR Mid-size SLR
Sensor Information
Powered by Digic 5+ -
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor measurements 36 x 24mm 23.4 x 15.6mm
Sensor area 864.0mm² 365.0mm²
Sensor resolution 22 megapixels 15 megapixels
Anti alias filter
Aspect ratio 3:2 -
Maximum resolution 5760 x 3840 4688 x 3120
Maximum native ISO 25600 3200
Maximum boosted ISO 102400 6400
Minimum native ISO 100 100
RAW format
Minimum boosted ISO 50 -
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 61 11
Cross type focus points 41 -
Lens
Lens mount type Canon EF Pentax KAF2
Number of lenses 250 151
Crop factor 1 1.5
Screen
Range of screen Fixed Type Fixed Type
Screen size 3.2" 2.7"
Resolution of screen 1,040k dot 230k dot
Selfie friendly
Liveview
Touch functionality
Screen tech Clear View II TFT LCD -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.71x 0.64x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Continuous shooting speed 6.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 13.00 m (at ISO 100)
Flash options no built-in flash Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
Auto exposure bracketing
WB bracketing
Highest flash sync 1/200s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (29.97, 25, 23.976 fps fps), 1280 x 720 (59.94, 50 fps), 640 x 480 (25, 30 fps) -
Maximum video resolution 1920x1080 None
Video format H.264 -
Microphone jack
Headphone jack
Connectivity
Wireless Optional None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 950g (2.09 lb) 800g (1.76 lb)
Physical dimensions 152 x 116 x 76mm (6.0" x 4.6" x 3.0") 142 x 101 x 72mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating 81 68
DXO Color Depth rating 24.0 23.1
DXO Dynamic range rating 11.7 11.2
DXO Low light rating 2293 714
Other
Battery life 950 photographs -
Form of battery Battery Pack -
Battery ID LP-E6 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media Compact Flash Type I (UDMA compatible), SD/SDHC/SDXC SD/MMC/SDHC card
Storage slots 2 Single
Cost at launch $2,780 $850