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Samsung NX20 vs Sony A33

Portability
83
Imaging
61
Features
73
Overall
65
Samsung NX20 front
 
Sony SLT-A33 front
Portability
67
Imaging
54
Features
80
Overall
64

Samsung NX20 vs Sony A33 Key Specs

Samsung NX20
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Samsung NX Mount
  • 341g - 122 x 90 x 40mm
  • Released April 2012
  • Earlier Model is Samsung NX11
  • Renewed by Samsung NX30
Sony A33
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 12800 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 500g - 124 x 92 x 85mm
  • Announced August 2010
  • Later Model is Sony A35
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Samsung NX20 vs Sony A33 Overview

Here, we are matching up the Samsung NX20 vs Sony A33, one being a Advanced Mirrorless and the other is a Entry-Level DSLR by companies Samsung and Sony. There exists a significant gap among the sensor resolutions of the NX20 (20MP) and A33 (14MP) but both cameras have the identical sensor sizes (APS-C).

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The NX20 was introduced 21 months later than the A33 making them a generation apart from one another. Both of the cameras feature different body design with the Samsung NX20 being a SLR-style mirrorless camera and the Sony A33 being a Compact SLR camera.

Before getting straight to a detailed comparison, here is a short highlight of how the NX20 matches up vs the A33 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Samsung NX20 over the Sony A33

 NX20 A33 
AnnouncedApril 2012August 2010Fresher by 21 months

Reasons to pick Sony A33 over the Samsung NX20

 A33 NX20 
Display resolution921k614kSharper display (+307k dot)

Common features in the Samsung NX20 and Sony A33

 NX20 A33 
Manually focus Very exact focus
Display typeFully ArticulatedFully ArticulatedFully Articulated display
Display size3"3"Same display dimensions
Selfie screen Both are selfie friendly
Touch display Neither provides Touch display

Samsung NX20 vs Sony A33 Physical Comparison

For those who are looking to carry your camera regularly, you will need to think about its weight and volume. The Samsung NX20 provides outer dimensions of 122mm x 90mm x 40mm (4.8" x 3.5" x 1.6") along with a weight of 341 grams (0.75 lbs) whilst the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

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Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing during that time. Following is a front view physical size comparison of the NX20 and the A33.

Samsung NX20 vs Sony A33 size comparison

Taking into account dimensions and weight, the portability rating of the NX20 and A33 is 83 and 67 respectively.

Samsung NX20 vs Sony A33 top view buttons comparison

Samsung NX20 vs Sony A33 Sensor Comparison

Quite often, it's tough to picture the contrast in sensor sizing purely by seeing technical specs. The visual here will help provide you a greater sense of the sensor dimensions in the NX20 and A33.

As you have seen, each of the cameras come with the identical sensor size but different MP. You should expect to see the Samsung NX20 to provide more detail using its extra 6 Megapixels. Greater resolution will enable you to crop images a good deal more aggressively. The fresher NX20 should have a benefit with regard to sensor technology.

Samsung NX20 vs Sony A33 sensor size comparison

Samsung NX20 vs Sony A33 Screen and ViewFinder

Samsung NX20 vs Sony A33 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Samsung NX20
Portrait photography with Sony A33
76
has manual focus
decent MP (20 megapixels)
sensor size is good (APS-C)
provides face detect focus
saves RAW files
72
has manual focus
good MP (14 megapixels)
sensor size is nice (APS-C)
includes face detect focus
exports RAW formats
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Street Comparison

Samsung NX20 as a Street photography camera
Sony A33 as a Street photography camera
77
screen articulates fully
sensor size is good (APS-C)
saves RAW files
lighter than competitors in class (341 grams)
no image stabilization
76
screen articulates
image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
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Sports Comparison

Samsung NX20 Sports photography advice
Sony A33 Sports photography advice
60
great max shutter speed (1/8,000s)
decent MP (20 megapixels)
sensor size is good (APS-C)
no image stabilization
does not have phase detect auto focus
67
image stabilization (Sensor based)
good MP (14MP)
sensor size is nice (APS-C)
supports phase detect auto focus
low battery power (340 per charge)
Photography Glossary

Travel Comparison

Travel photography with Samsung NX20
Travel photography with Sony A33
77
lighter than competitors in class (341 grams)
decent MP (20MP)
has built in flash
display is selfie friendly
missing Timelapse function
61
good MP (14MP)
built-in flash
screen is selfie friendly
no Timelapse recording
low battery power (340 shots)
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Landscape Comparison

Samsung NX20 Landscape photography info
Sony A33 Landscape photography info
70
has manual focus
swap lenses (Samsung NX mount)
decent sized screen (3 inch)
decent MP (20 megapixels)
sensor size is good (APS-C)
saves RAW files
no image stabilization
missing Timelapse function
67
has manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
good sized screen (3 inches)
image stabilization (Sensor based)
good MP (14 megapixels)
sensor size is nice (APS-C)
exports RAW formats
low battery power (340 per charge)
no Timelapse recording
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Vlogging Comparison

Samsung NX20 as a Vlogging camera
Sony A33 as a Vlogging camera
78
display is selfie friendly
provides face detect focus
high res video (1920 x 1080 pixels)
includes microphone jack
lighter than competitors in class (341 grams)
no image stabilization
77
screen is selfie friendly
image stabilization (Sensor based)
includes face detect focus
video res high (1920 x 1080 pixels)
comes with microphone support
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Samsung NX20 vs Sony A33 Specifications

Detailed spec comparison table for Samsung NX20 and Sony A33
 Samsung NX20Sony SLT-A33
General Information
Brand Samsung Sony
Model type Samsung NX20 Sony SLT-A33
Type Advanced Mirrorless Entry-Level DSLR
Released 2012-04-20 2010-08-24
Physical type SLR-style mirrorless Compact SLR
Sensor Information
Processor Chip - Bionz
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor measurements 23.5 x 15.7mm 23.5 x 15.6mm
Sensor area 369.0mm² 366.6mm²
Sensor resolution 20 megapixels 14 megapixels
Anti alias filter
Aspect ratio 1:1, 3:2 and 16:9 3:2 and 16:9
Maximum resolution 5472 x 3648 4592 x 3056
Maximum native ISO 12800 12800
Maximum boosted ISO - 25600
Minimum native ISO 100 100
RAW pictures
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
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 15 15
Cross type focus points - 3
Lens
Lens mount type Samsung NX Sony/Minolta Alpha
Total lenses 32 143
Crop factor 1.5 1.5
Screen
Display type Fully Articulated Fully Articulated
Display sizing 3" 3"
Display resolution 614 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch capability
Display tech Active Matrix OLED screen -
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution - 1,150 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.73x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Continuous shooting rate 8.0 frames per sec 7.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance 11.00 m 10.00 m (@ ISO 100)
Flash settings Auto, On, Off, Red-eye, Fill-in, 1st/2nd Curtain, Smart Flash, Manual Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Highest flash synchronize 1/180s 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (30 fps), 1920 x 810 (24 fps) 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1920 x 1080 (60, 29.97 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Maximum video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless Built-In Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 341g (0.75 lb) 500g (1.10 lb)
Physical dimensions 122 x 90 x 40mm (4.8" x 3.5" x 1.6") 124 x 92 x 85mm (4.9" x 3.6" x 3.3")
DXO scores
DXO All around rating 75 70
DXO Color Depth rating 23.4 22.8
DXO Dynamic range rating 12.9 12.6
DXO Low light rating 785 591
Other
Battery life 360 shots 340 shots
Style of battery Battery Pack Battery Pack
Battery ID BP1130 NP-FW50
Self timer Yes (2 sec to 30 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots One One
Price at launch $1,100 $230