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Samsung GX-20 vs Sony NEX-7

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Alpha NEX-7 front
Portability
84
Imaging
63
Features
71
Overall
66

Samsung GX-20 vs Sony NEX-7 Key Specs

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
Sony NEX-7
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 16000
  • 1920 x 1080 video
  • Sony E Mount
  • 400g - 120 x 67 x 43mm
  • Announced December 2011
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Samsung GX-20 vs Sony NEX-7 Overview

Here, we are contrasting the Samsung GX-20 vs Sony NEX-7, one being a Advanced DSLR and the other is a Advanced Mirrorless by competitors Samsung and Sony. There exists a significant gap between the resolutions of the GX-20 (15MP) and NEX-7 (24MP) but both cameras boast the identical sensor size (APS-C).

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The GX-20 was manufactured 4 years before the NEX-7 and that is quite a sizable gap as far as technology is concerned. Both the cameras feature different body design with the Samsung GX-20 being a Mid-size SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.

Before getting into a in depth comparison, here is a brief synopsis of how the GX-20 grades versus the NEX-7 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Sony NEX-7

 GX-20 NEX-7 

Reasons to pick Sony NEX-7 over the Samsung GX-20

 NEX-7 GX-20 
AnnouncedDecember 2011January 2008Fresher by 47 months
Display typeTiltingFixed Tilting display
Display size3"2.7"Larger display (+0.3")
Display resolution921k230kClearer display (+691k dot)

Common features in the Samsung GX-20 and Sony NEX-7

 GX-20 NEX-7 
Manually focus Very exact focusing
Selfie screen Lacking selfie screen
Touch display Lacking Touch display

Samsung GX-20 vs Sony NEX-7 Physical Comparison

When you are planning to carry your camera regularly, you will need to factor in its weight and measurements. The Samsung GX-20 offers external measurements of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs) and the Sony NEX-7 has proportions of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") having a weight of 400 grams (0.88 lbs).

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Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached during that time. Following is a front view sizing comparison of the GX-20 versus the NEX-7.

Samsung GX-20 vs Sony NEX-7 size comparison

Looking at dimensions and weight, the portability grade of the GX-20 and NEX-7 is 58 and 84 respectively.

Samsung GX-20 vs Sony NEX-7 top view buttons comparison

Samsung GX-20 vs Sony NEX-7 Sensor Comparison

Sometimes, it's tough to picture the contrast between sensor sizing simply by reading technical specs. The photograph here might offer you a greater sense of the sensor sizing in the GX-20 and NEX-7.

As you have seen, the 2 cameras feature the identical sensor size but different megapixels. You should expect to see the Sony NEX-7 to offer you greater detail due to its extra 9MP. Greater resolution will help you crop images way more aggressively. The older GX-20 is going to be behind with regard to sensor tech.

Samsung GX-20 vs Sony NEX-7 sensor size comparison

Samsung GX-20 vs Sony NEX-7 Screen and ViewFinder

Samsung GX-20 vs Sony NEX-7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Samsung GX-20 Portrait photography information
Sony NEX-7 Portrait photography information
71
focusing manually
MP count decent (15 megapixels)
good sensor size (APS-C)
exports RAW formats
77
you can focus manually
good resolution (24 megapixels)
nice sensor size (APS-C)
offers face detection focus
exports RAW formats
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Street Comparison

Samsung GX-20 Street photography highlights
Sony NEX-7 Street photography highlights
65
built in image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
environment sealing
screen is fixed
76
tilting screen
nice sensor size (APS-C)
exports RAW formats
no image stabilization
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Sports Comparison

Samsung GX-20 Sports photography highlights
Sony NEX-7 Sports photography highlights
68
built in image stabilization (Sensor based)
MP count decent (15 megapixels)
good sensor size (APS-C)
environment sealing
has phase detect AF
slow continuous shooting (3.0 frames/s)
61
good resolution (24MP)
nice sensor size (APS-C)
better than average battery power (430 per charge)
no image stabilization
does not have phase detect auto focus
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Travel Comparison

Samsung GX-20 as a Travel photography camera
Sony NEX-7 as a Travel photography camera
63
environment sealing
MP count decent (15MP)
flash built-in
screen is not selfie friendly
70
better than average battery power (430 per charge)
good resolution (24MP)
flash built-in
does not have Time Lapse function
display is not selfie friendly
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Landscape Comparison

Landscape photography with Samsung GX-20
Landscape photography with Sony NEX-7
70
focusing manually
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
MP count decent (15 megapixels)
good sensor size (APS-C)
exports RAW formats
environment sealing
tiny screen (2.7 inches)
72
you can focus manually
interchangeable lenses (Sony E mount)
screen is a good size (3 inches)
good resolution (24MP)
nice sensor size (APS-C)
exports RAW formats
better than average battery power (430 per charge)
no image stabilization
does not have Time Lapse function
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Vlogging Comparison

Samsung GX-20 Vlogging info
Sony NEX-7 Vlogging info
9
no video shooting
35
offers face detection focus
high res video (1920 x 1080 resolution)
has external mic socket
display is not selfie friendly
no image stabilization
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Samsung GX-20 vs Sony NEX-7 Specifications

Detailed spec comparison table for Samsung GX-20 and Sony NEX-7
 Samsung GX-20Sony Alpha NEX-7
General Information
Brand Samsung Sony
Model type Samsung GX-20 Sony Alpha NEX-7
Category Advanced DSLR Advanced Mirrorless
Launched 2008-01-24 2011-12-13
Physical type Mid-size SLR Rangefinder-style mirrorless
Sensor Information
Chip - Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.4 x 15.6mm 23.5 x 15.6mm
Sensor area 365.0mm² 366.6mm²
Sensor resolution 15 megapixel 24 megapixel
Anti alias filter
Aspect ratio - 3:2 and 16:9
Highest resolution 4688 x 3120 6000 x 4000
Highest native ISO 3200 16000
Highest boosted ISO 6400 -
Minimum native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 25
Lens
Lens mount type Pentax KAF2 Sony E
Amount of lenses 151 121
Crop factor 1.5 1.5
Screen
Display type Fixed Type Tilting
Display diagonal 2.7 inch 3 inch
Display resolution 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder coverage 95% 100%
Viewfinder magnification 0.64x 0.73x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting rate 3.0 frames per second 10.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m (at ISO 100) 6.00 m
Flash options Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Highest flash synchronize 1/180 secs 1/160 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
Highest video resolution None 1920x1080
Video format - MPEG-4, AVCHD
Mic port
Headphone port
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 800 grams (1.76 lbs) 400 grams (0.88 lbs)
Physical dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 120 x 67 x 43mm (4.7" x 2.6" x 1.7")
DXO scores
DXO All around rating 68 81
DXO Color Depth rating 23.1 24.1
DXO Dynamic range rating 11.2 13.4
DXO Low light rating 714 1016
Other
Battery life - 430 shots
Type of battery - Battery Pack
Battery ID - NPFW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, 10sec (3 or 5 images))
Time lapse recording
Type of storage SD/MMC/SDHC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Pricing at launch $850 $699