Friday, July 26, 2019

Samsung QN75Q70RAFXZA TV Features, Specs and Manual


This 75-inch Samsung ultra high definition television is powered by Quantum technology that process and improves 4K image quality even further. The Quantum technology includes Quantum HDR 8X for wide dynamic range and improve contrast and Quantum Dot that can represent 100% color volume. All of this is processed by the Quantum Processor and also makes the user interface smoother and high definition playback with Motion Rate 240.

Samsung 75-Inch Quantum UHD TV Top 5 Features

1. Quantum Technology

Samsung is the first to utilize the Quantum technology on their UHD TV that greatly improves the image quality over standard features commonly seen on the market. For example the Quantum HDR 8X has improved dynamic and contrast range over standard HDR. While the Quantum Dot can produce over a billion of colors that is very accurate compared to real life objects. And the Quantum Processor helps on upscaling non 4K videos and makes the interface and other quantum technology great.

2. Direct Full Array 4X

A full array of backlights that are located on the back of the LCD screen that helps on highlighting or darkening a certain part of the screen depending on the scene shown on the TV. The brights are further lit by the backlights while the darks have disabled backlights.

3. Motion Rate 240 

This enables smoother screen transition and movement, the higher the refresh rate the more effective it will be on minimizing motion blurs. This is great on watching sports or action movies.

4. 74.5-Inch 2160p Smart TV 

The whole 74.5 inch screen is sharp and produces stunning color with accuracy. The TV is smart enabled and can watch 4K online streaming videos with HDR since this TV has a built-in wifi connectivity.

5. Ambient Mode

Instead of a black screen during standby mode, the TV can be set as a wallpaper or display news or information that can be customized by the user.

QN75Q70RAFXZA Technical Specifications

Manufacturer Samsung
Series Q70R Series
Screen Size 74.5” Inch (Class 75”)
Screen Resolution 3840 x 2160 (2160p) QLED Panel
TV Specific Features
  • Quantum Dot
  • Quantum Processor
  • Quantum HDR 8X
  • 100% Color Volume
  • Digital Clean View
  • 4K Quantum Upscaling
  • Real Game Enhancer
Refresh Rate Motion Rate 240
User Interface Quantum Smart TV
Connectivity Wi-Fi, Bluetooth and LAN via Ethernet Port
Speaker Type Stereo Speakers
Sound Technologies
  • Dolby Digital Plus
Built-in Speaker Output Power 40 Watts Total
Inputs and Outputs
  • 4x HDMI
  • 2x USB Port
  • 1x Optical Audio
  • 1x RF input
  • 1x Ethernet Port
  • 1x RS232C
Dimension (H x W x D)
  • With stand
    • 41.3 x 66.1 x 14.2 in
  • Without stand
    • 37.8 x 66.1 x 2.4 in
Total Weight
  • 80.7 lbs with stand
  • 78.7 lbs without stand
UPC 887276300368


  • Excellent picture quality and sharpness
  • Easy to setup and interface is easy to use
  • Sleek and thin design


  • Expensive
  • Only 2 USB ports 

Price Range: $2,100 to $2,300 (USD)


The Samsung QN75Q70RAFXZA is a great ultra high definition TV with Quantum technology. This TV is a great upgrade over your existing smart HDTV because of the enhanced features like HDR and full array backlighting. The picture and sound quality is amazing, since this has a 74.5 inch screen it is considered as one of the largest among the Q70 series made by Samsung and thus the price tag. Then if you value the features over the price tag then this is a worth TV to buy.


Samsung QN75Q70RAFXZA 75" UHD TV Quantum User Guide

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