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Samsung NX30 vs Sony A7 III Comparison

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Camera to replace
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Samsung NX30

20 MP | APS-C (23.5 x 15.7 mm) CMOS Sensor

Samsung NX30
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Sony A7 III

24 MP | Full frame (35.8 x 23.8 mm) BSI-CMOS Sensor

Sony A7 III
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Samsung NX30 vs Sony A7 III Comparison Overview

Here we are comparing two Mirrorless cameras from Samsung and Sony. Samsung NX30 was introduced to market in January 2014 and Sony A7 III was launched in February 2018. As you can see, NX30 is 4 years older than A7 III. Let's see if this age difference between two cameras makes a big difference.

Samsung NX30 has a 20.0MP APS-C sensor whereas Sony A7 III has a 24.0MP Full frame sensor.

Here is a brief look at the main features of Samsung NX30 and Sony A7 III before getting into our more detailed comparison.

Samsung NX30 Key Specs

  • Announcement Date: 2014-01-03
  • 20MP - APS-C CMOS Sensor
  • ISO 100 - 25600
  • Samsung NX Mount
  • 3" Fully Articulated Screen
  • 2359k dot Electronic viewfinder
  • 9 fps continuous shooting
  • Full HD - 1920 x 1080 video resolution
  • Built-in Wireless
  • 375g. 127 x 96 x 58 mm
  • Replaced Samsung NX20 Compare

Sony A7 III Key Specs

  • Announcement Date: 2018-02-27
  • 24MP - Full frame BSI-CMOS Sensor
  • ISO 100 - 51200 ( expands to 50-204800)
  • Sony E Mount
  • Sensor-shift Image Stabilization
  • 3 Tilting Screen
  • 2360k dot Electronic viewfinder
  • 10.0 fps continuous shooting
  • 4K (UHD) - 3840 x 2160 video resolution
  • 120fps High-Speed Video
  • Built-in Wireless
  • 650g. 127 x 96 x 74 mm
  • Weather Sealed Body
  • Replaced Sony Alpha 7 II Compare

Let's read on the following sections in order to better understand in detail how Samsung NX30 and Sony A7 III compares and hopefully end up with enough arguments to decide which one is better for you.

Reasons to choose Samsung NX30 over Sony Alpha A7 III
Built-in Flash
Yes vs No Useful in low-light
LCD Screen Resolution
1.036k dots vs 922k dots 12% higher resolution screen
Weight
375 g vs 650 g 275 g lighter


Reasons to choose Sony Alpha A7 III over Samsung NX30
Image Stabilization
Sensor-shift vs None Sharper images at longer focal lengths and long exposures
Viewfinder Magnification
0.78x vs 0.66x Larger Viewfinder
Max Sensor Resolution
24 MP vs 20 MP 19% more pixels
Max ISO
51.200 vs 25.600 100% higher Max ISO
Number of Focus Points
693 vs 247 446 more focus points
Continuous Shooting
10.0fps vs 9.0fps 1 fps faster
Battery Life
610 shots vs 360 shots 250 more frames with a single charge
Headphone Port
Yes vs No better video control
Environmental Sealing
Yes vs No shoot at tough conditions
Timelapse Recording
Yes vs No creative shooting
Viewfinder Resolution
2360k dot vs 2359k dot 0% higher resolution
Color Depth
25.0 vs 23.5 higher color depth
Dynamic Range
14.7 vs 12.4 higher dynamic range
Low Light ISO
3730 vs 1014 better High ISO performance
Sensor Pixel Area
35.50µm2 vs 18.48µm2 92% larger pixel area
Max Video Resolution
3840 x 2160 vs 1920 x 1080 Higher Resolution Video
AE Bracketing Range
±5 EV vs ±3 EV Wide Bracketing range is useful for HDR
Bluetooth
Yes vs No Connect your camera to other devices via Blueetooth
Storage Slot
2 vs 1 Extra storage slot
UHS Card Support
UHS-II vs none Read/Write in Ultra High Speeds
Animal Eye AF Tracking
Yes vs No Easily lock and track focus on animals
Webcam Function
Yes vs No Use your camera as a Webcam
Anti Flicker
Yes vs No Reduced uneven color and exposure under flickering light
Eye Tracking Focus
Yes vs No Autofocus system locks on the eye and tracks the subject

Common Strengths of Samsung NX30 and Sony Alpha A7 III
Wireless Connection
Yes vs Yes Better connectivity
Adjustable LCD Screen
Fully Articulated vs Tilting Flexible shooting positions
External Flash Shoe
Yes vs Yes Better for flash photography
Touch Screen
Yes vs Yes Easy control of camera functions
Viewfinder
Yes (Electronic) vs Yes (Electronic) Better framing and control
RAW Support
Yes vs Yes Better image quality
Face Detection Focus
Yes vs Yes very handy for portraits
Max Resolution
20 MP vs 24 MP Bigger prints and more details
Continuous Shooting
9.0fps vs 10.0fps Fast shooting speeds
Microphone Port
Yes vs Yes High quality audio recording option
AE Bracketing
Yes vs Yes Useful for tough lighting conditions and HDR
NFC Connection
Yes vs Yes Easy wireless connectivity with compatible devices
Smartphone Remote
Yes vs Yes Remote control your camera with a smartphone
Common Weaknesses of Samsung NX30 and Sony Alpha A7 III
New4
Samsung NX30 vs Sony A7 III: Physical Specs and Body features Comparison

Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. In this section, We are going to illustrate Samsung NX30 and Sony A7 III side-by-side from the front, back and top in their relative dimensions. Samsung NX30 has external dimensions of 127 x 96 x 58 mm (5 x 3.78 x 2.28″) and weighs 375 g (0.83 lb / 13.23 oz) (including batteries). Sony A7 III has external dimensions of 127 x 96 x 74 mm (5 x 3.78 x 2.91″) and weighs 650 g (1.43 lb / 22.93 oz) (including batteries).

Below you can see the front view size comparison of Samsung NX30 and Sony A7 III. Samsung NX30 has the same height and width with Sony A7 III. On the other hand, with a thickness of 58mm, it is 16mm thinner.

Samsung NX30 vs Sony A7 III Camera Size Comparison - Front View
Comparison image of Samsung NX30 and Sony A7 III Size, Weight and External Dimensions - Front View

Here is the back view size comparison of Samsung NX30 and Sony A7 III.

Samsung NX30 vs Sony A7 III Camera Size Comparison - Back View
Comparison image of Samsung NX30 and Sony A7 III Size and Weight - Back View

Now lets look at the top view comparison of Samsung NX30 and Sony A7 III.
Samsung NX30 vs Sony A7 III Camera Size Comparison - Top View
Top View Comparison image of Samsung NX30 and Sony A7 III Size

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Samsung NX30 is significantly lighter (275g ) than the Sony A7 III which may become a big advantage especially on long walking trips.

Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since Sony A7 III has a Full frame sensor and Samsung NX30 has a smaller APS-C sensor, Samsung NX30's lenses for a similar focal length and aperture will generally be lighter and smaller than the Sony A7 III lenses.

Weight Comparison

Mirrorless Cameras

NX30
A7 III
Min
Average
Max
Thickness Comparison

Mirrorless Cameras

NX30
A7 III
Min
Average
Max

Weather Sealing

Thanks to the weather sealed body of A7 III, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to NX30.

LCD Screen Size and Features

Samsung NX30 and Sony A7 III's LCD screens has the same diagonal size of 3".

Sony A7 III features a Tilting only screen which is mostly only good for shooting from waist or over the head levels. On the other hand, Samsung NX30 sports a Fully Articulated screen which is more flexible and useful especially for taking Selfie shots and video.
Samsung NX30 vs Sony A7 III: Sensor Comparison

Samsung NX30 has a 20.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features DRIMeIV processor. On the other hand, Sony A7 III has a 24.0MP Full frame (35.8 x 23.8 mm ) sized BSI-CMOS sensor and features Bionz X processor.

Below you can see the NX30 and A7 III sensor size comparison.

Samsung NX30 vs Sony A7 III Sensor Size Comparison
Sensor Size and Resolution Comparison image of Samsung NX30 and Sony A7 III Cameras


As seen above, Sony A7 III has a 2.3x Larger sensor area than Samsung NX30. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.

DxOMark Sensor Scores

DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Samsung NX30 and Sony A7 III sensors have been tested by DxO and the results show that A7 III has a better overall score of 96, 19 points higher compared to NX30's score of 77.

Model Overall Color Depth Dynamic Range Low-light ISO
Samsung NX30 77 23.5 bits 12.4 Evs 1014 ISO
Sony A7 III 96 25.0 bits 14.7 Evs 3730 ISO
Samsung NX30 vs Sony A7 III Comparison of Available Lenses
Which camera has more lenses?

Number of available lenses is a big decision factor while choosing your interchangeable lens camera. When we look at the available lenses for these two cameras, we see that Sony A7 III has an advantage over Samsung NX30 There are 137 lenses for Sony A7 III's Sony E mount, on the other hand there are only 32 lenses for Samsung NX30's Samsung NX lens mount.

Another important factor is the availability of image stabilization. Sony A7 III has a big advantage in this regard because it has a sensor based image stabilization which means that all the lenses mounted to this body will be stabilized. NX30's built-in Image stabilization system is effective to compnesate vibration up to 5.0-stops according to CIPA standards.
7 lenses for Samsung NX mount with Optical Image Stabilization features.

Lens Type # of Samsung NX30 Lenses # of Sony A7 III Lenses
Standard Zoom 4 13 (10 Full Frame)
Standard Prime 5 20 (10 Full Frame)
Wideangle Zoom 1 8 (7 Full Frame)
Wideangle Prime 11 44 (28 Full Frame)
Telephoto Zoom 2 10 (8 Full Frame)
Telephoto Prime 3 19 (15 Full Frame)
SuperZoom 1 9 (2 Full Frame)
Wideangle Fisheye Prime 4 2 (0 Full Frame)
Macro Prime 1 8 (7 Full Frame)
Perspective Control Prime n/a 2 (2 Full Frame)
Telephoto Mirror Prime n/a n/a
TOTAL 32 137 (89 Full Frame)

What types of Photography are Samsung NX30 and Sony A7 III Good for?
In this section, we rank and compare Samsung NX30 and Sony A7 III for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.

Samsung NX30 for Portrait Photography

AVERAGE

Sony A7 III for Portrait Photography

GOOD
Large APS-C (23.5 x 15.7 mm) sensor
Very High Resolution Sensor: 20.0MP
Electronic Built-in Viewfinder
Good Ergonomics&Handling
No Image Stabilization
Read the details
Large Full frame (35.8 x 23.8 mm) sensor
Very High Resolution Sensor: 24.0MP
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Read the details

Samsung NX30 for Street Photography

GOOD

Sony A7 III for Street Photography

EXCELLENT
Large APS-C (23.5 x 15.7 mm) sensor
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Fully Articulated LCD Screen
Medium sized Body
No Image Stabilization
Read the details
Large Full frame (35.8 x 23.8 mm) sensor
Image Stabilization
Electronic Built-in Viewfinder
Live-view
Face-Detection Focusing
Tilting LCD Screen
Medium sized Body
Read the details

Samsung NX30 for Sports Photography

GOOD

Sony A7 III for Sports Photography

GOOD
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 9.0fps
Fast Max shutter speed: 1/8000s
247 Focus Points
Good Low Light ISO
Wireless Connection
No Image Stabilization
Environmental Sealings
Read the details
Image Stabilization
Electronic Built-in Viewfinder
Good Ergonomics&Handling
Fast Continuous Shooting: 10.0fps
Environmental Sealings
Fast Max shutter speed: 1/8000s
693 Focus Points
Good Battery Life: 610 shots
Good Low Light ISO
Wireless Connection
Anti Flicker feature
Read the details

Samsung NX30 for Daily Photography

GOOD

Sony A7 III for Daily Photography

EXCELLENT
Large APS-C (23.5 x 15.7 mm) sensor
Medium size Body
375g
Body Thickness 58mm
Read the details
Large Full frame (35.8 x 23.8 mm) sensor
Environmental Sealings
Anti Flicker feature
Medium size Body
650g
Body Thickness 74mm
Read the details

Samsung NX30 for Landscape Photography

AVERAGE

Sony A7 III for Landscape Photography

AVERAGE
Large APS-C (23.5 x 15.7 mm) sensor
Very High Resolution Sensor: 20.0MP
Live-view
No Environmental Sealings
Read the details
Large Full frame (35.8 x 23.8 mm) sensor
Very High Resolution Sensor: 24.0MP
Environmental Sealings
Live-view
Read the details

Samsung NX30 vs Sony A7 III: OUR DECISION

You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Samsung NX30 and Sony A7 III, below you can find their scores in five different aspects. Our Decision Algorithm dynamically scores cameras using 63 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.

Here is a summary of how Samsung NX30 and Sony A7 III scores compare:

Samsung NX30
Imaging
Features
Value
Portability
Overall
Ranked #57 out of 88 in SLR-style mirrorless cameras
Ranked #122 out of 1223 in all Cameras
Sony A7 III
Imaging
Features
Value
Portability
Overall
Ranked #16 out of 88 in SLR-style mirrorless cameras
Ranked #17 out of 1223 in all Cameras

Sony A7 III is the overall winner of this comparison. It has a higher Overall Score and beats Samsung NX30 in all criteria except one: Portability.
If small size and light body is a big priority for you, choose Samsung NX30. Otherwise, Sony A7 III is the better camera overall.

Samsung NX30
Samsung NX30
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Sony A7 III
Sony A7 III
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Sony A7 III vs Samsung NX30 Specs Table
Detailed comparison of specifications
General Samsung NX30 Sony Alpha A7 III
Brand Samsung Sony
Announced 2014-01-03 2018-02-27
Body Type SLR-style mirrorless SLR-style mirrorless
Sensor
Type CMOS BSI-CMOS
Size APS-C Full frame
Dimensions 23.5 x 15.7 mm 35.8 x 23.8 mm
Area 368.95mm2 852.04mm2
Megapixels 20 megapixels 24 megapixels
Max Resolution 5472 x 3648 6000 x 4000
Max Native Light sensitivity 25,600 ISO 51,200 ISO
Max Boosted Light Sensitivity - 204800 ISO
Min Native Light sensitivity 100 ISO 100 ISO
Min Boosted Light Sensitivity - 50 ISO
RAW Support
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 247 693
Lens
Manual Focus
Lens Mount Samsung NX Sony E
Number of Available Lenses 32 137
Screen
Type Fully Articulated Tilting
Size 3" 3
Resolution 1,036k dots 922k dots
Touch Screen
Viewfinder
Viewfinder Electronic Electronic
Viewfinder Resolution 2,359k dots 2,360k dots
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.66x 0.78x
Photography Features
Max Mechanical Shutter 1/8000s 1/8000s
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Image Stabilization No Sensor-shift
Built-in Flash
External Flash
Continuous Shooting 9.0 fps 10.0 fps
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution 1920 x 1080 3840 x 2160
Video Formats MPEG-4, H.264 MPEG-4, AVCHD, XAVC S, H.264
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity Built-In Built-In
HDMI
Physical
Environmental Sealing
Weight 375g 650g
Dimensions 127 x 96 x 58mm 127 x 96 x 74mm
Battery Life 360 shots 610 shots
Other Features
Timelapse Recording
GPS None None
DxO Sensor Scores
DxO Overall Score 77 96
DxO Color Depth 23.5 25.0
DxO Dynamic Range 12.4 14.7
DxO Low Light ISO 1014 3730
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