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OM System OM-5 vs Samsung NX20

Portability
80
Imaging
64
Features
88
Overall
73
OM System OM-5 front
 
Samsung NX20 front
Portability
83
Imaging
62
Features
73
Overall
66

OM System OM-5 vs Samsung NX20 Key Specs

OM System OM-5
(Full Review)
  • 20MP - Four Thirds Sensor
  • 3.00" Fully Articulated Screen
  • ISO 200 - 25600
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 4096 x 2160 video
  • Micro Four Thirds Mount
  • 414g - 125 x 85 x 50mm
  • Revealed October 2022
  • Succeeded the Olympus E-M5 III
Samsung NX20
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 12800
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Samsung NX Mount
  • 341g - 122 x 90 x 40mm
  • Released April 2012
  • Replaced the Samsung NX11
  • Replacement is Samsung NX30
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OM System OM-5 vs Samsung NX20 Overview

The following is a in-depth analysis of the OM System OM-5 versus Samsung NX20, both Advanced Mirrorless cameras by companies Olympus and Samsung. The resolution of the OM System OM-5 (20MP) and the NX20 (20MP) is relatively comparable but the OM System OM-5 (Four Thirds) and NX20 (APS-C) posses totally different sensor sizing.

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The OM System OM-5 was announced 10 years after the NX20 which is a fairly serious difference as far as camera tech is concerned. Each of the cameras feature the same body design (SLR-style mirrorless).

Before we go straight to a detailed comparison, here is a concise summation of how the OM System OM-5 matches up vs the NX20 in regards to portability, imaging, features and an overall mark.

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Reasons to pick OM System OM-5 over the Samsung NX20

 OM System OM-5 NX20 
ReleasedOctober 2022April 2012Newer by 129 months
Screen resolution1040k614kClearer screen (+426k dot)
Touch friendly screen Quickly navigate

Reasons to pick Samsung NX20 over the OM System OM-5

 NX20 OM System OM-5 

Common features in the OM System OM-5 and Samsung NX20

 OM System OM-5 NX20 
Focus manually More precise focus
Screen typeFully ArticulatedFully ArticulatedFully Articulated screen
Screen size3.00"3"Same screen measurement
Selfie screen Both good for selfies

OM System OM-5 vs Samsung NX20 Physical Comparison

For anybody who is looking to travel with your camera, you will need to take into account its weight and volume. The OM System OM-5 features outer measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Samsung NX20 has sizing of 122mm x 90mm x 40mm (4.8" x 3.5" x 1.6") having a weight of 341 grams (0.75 lbs).

See the OM System OM-5 versus Samsung NX20 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ depending on the lens you have attached during that time. Underneath is a front view size comparison of the OM System OM-5 against the NX20.

OM System OM-5 vs Samsung NX20 size comparison

Using size and weight, the portability score of the OM System OM-5 and NX20 is 80 and 83 respectively.

OM System OM-5 vs Samsung NX20 top view buttons comparison

OM System OM-5 vs Samsung NX20 Sensor Comparison

Generally, it is difficult to envision the difference in sensor dimensions only by seeing a spec sheet. The picture underneath will help give you a better sense of the sensor measurements in the OM System OM-5 and NX20.

As you can see, both of the cameras come with the identical MP albeit not the same sensor dimensions. The OM System OM-5 has the smaller sensor which will make achieving shallower DOF more challenging. The younger OM System OM-5 is going to have an edge in sensor technology.

OM System OM-5 vs Samsung NX20 sensor size comparison

OM System OM-5 vs Samsung NX20 Screen and ViewFinder

OM System OM-5 vs Samsung NX20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

OM System OM-5 Portrait photography details
Samsung NX20 Portrait photography details
78
you can focus manually
MP count good (20MP)
nice sensor size (Four Thirds)
offers face detect focus
saves RAW formats
77
focusing manually
megapixel count decent (20 megapixels)
good sensor size (APS-C)
features face detection focus
supports RAW formats
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Street Comparison

Street photography with OM System OM-5
Street photography with Samsung NX20
84
screen articulates fully
image stabilization (Sensor based 5-axis)
nice sensor size (Four Thirds)
saves RAW formats
provides focus via touch
environment sealing
very good ISO range (25,600)
77
screen articulates fully
good sensor size (APS-C)
supports RAW formats
lighter than competition in class (341 grams)
lack of image stabilization
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Sports Comparison

OM System OM-5 as a Sports photography camera
Samsung NX20 as a Sports photography camera
76
maximum shutter speed is high (1/8,000 seconds)
quiet mode (1/32,000 seconds)
image stabilization (Sensor based 5-axis)
MP count good (20MP)
nice sensor size (Four Thirds)
offers tracking focus
environment sealing
comes with phase detect auto focus
terrible battery (310 CIPA)
61
maximum shutter speed is high (1/8,000s)
megapixel count decent (20 megapixels)
good sensor size (APS-C)
lack of image stabilization
lacks phase detect auto focus
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Travel Comparison

OM System OM-5 Travel photography details
Samsung NX20 Travel photography details
78
environment sealing
connects via bluetooth
provides focus via touch
MP count good (20MP)
selfie friendly screen
terrible battery (310 shots)
77
lighter than competition in class (341 grams)
megapixel count decent (20 megapixels)
flash built-in
screen is selfie friendly
no Time Lapse recording
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Landscape Comparison

OM System OM-5 Landscape photography info
Samsung NX20 Landscape photography info
78
you can focus manually
switch lenses (Micro Four Thirds mount)
good sized screen (3.00")
image stabilization (Sensor based 5-axis)
MP count good (20 megapixels)
nice sensor size (Four Thirds)
very good ISO range (25,600)
saves RAW formats
environment sealing
terrible battery (310 CIPA)
70
focusing manually
change lenses (Samsung NX mount)
screen is a decent size (3")
megapixel count decent (20MP)
good sensor size (APS-C)
supports RAW formats
lack of image stabilization
no Time Lapse recording
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Vlogging Comparison

Vlogging with OM System OM-5
Vlogging with Samsung NX20
84
selfie friendly screen
screen is touchscreen
image stabilization (Sensor based 5-axis)
offers face detect focus
video resolution high (4096 x 2160 pxls)
does have mic port
78
screen is selfie friendly
features face detection focus
video resolution high (1920 x 1080 resolution)
does have external mic support
lighter than competition in class (341 grams)
lack of image stabilization
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OM System OM-5 vs Samsung NX20 Specifications

Detailed spec comparison table for OM System OM-5 and Samsung NX20
 OM System OM-5Samsung NX20
General Information
Brand Name Olympus Samsung
Model type OM System OM-5 Samsung NX20
Class Advanced Mirrorless Advanced Mirrorless
Revealed 2022-10-26 2012-04-20
Physical type SLR-style mirrorless SLR-style mirrorless
Sensor Information
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.4 x 13mm 23.5 x 15.7mm
Sensor surface area 226.2mm² 369.0mm²
Sensor resolution 20 megapixel 20 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 3:2 and 16:9
Highest Possible resolution 5184 x 3888 5472 x 3648
Maximum native ISO 25600 12800
Min native ISO 200 100
RAW files
Min enhanced ISO 64 -
Autofocusing
Manual focusing
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 121 15
Lens
Lens mount type Micro Four Thirds Samsung NX
Number of lenses 119 32
Focal length multiplier 2.1 1.5
Screen
Type of screen Fully Articulated Fully Articulated
Screen sizing 3.00" 3"
Resolution of screen 1,040 thousand dots 614 thousand dots
Selfie friendly
Liveview
Touch display
Screen technology - Active Matrix OLED screen
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,360 thousand dots -
Viewfinder coverage 100% 100%
Viewfinder magnification 0.68x 0.7x
Features
Min shutter speed 60 secs 30 secs
Max shutter speed 1/8000 secs 1/8000 secs
Max silent shutter speed 1/32000 secs -
Continuous shutter rate 10.0 frames per second 8.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash distance no built-in flash 11.00 m
Flash modes Auto, redeye, fill, off, redeye slow sync, slow sync, 2nd-curtain slow sync, manual Auto, On, Off, Red-eye, Fill-in, 1st/2nd Curtain, Smart Flash, Manual
Hot shoe
AE bracketing
White balance bracketing
Max flash synchronize 1/250 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 4096 x 2160 @ 24p / 237 Mbps, MOV, H.264, Linear PCM 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)
Maximum video resolution 4096x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 414 gr (0.91 lbs) 341 gr (0.75 lbs)
Physical dimensions 125 x 85 x 50mm (4.9" x 3.3" x 2.0") 122 x 90 x 40mm (4.8" x 3.5" x 1.6")
DXO scores
DXO Overall rating not tested 75
DXO Color Depth rating not tested 23.4
DXO Dynamic range rating not tested 12.9
DXO Low light rating not tested 785
Other
Battery life 310 pictures 360 pictures
Battery style Battery Pack Battery Pack
Battery ID BLS-50 BP1130
Self timer Yes (2 or 10 secs, custom) Yes (2 sec to 30 sec)
Time lapse recording
Storage type SD/SDHC/SDXC (UHS-II supported) SD/SDHC/SDXC
Card slots Single Single
Price at release $1,200 $1,100