HomeSamsungHigh-End Samsung TVsSamsung QE55QN91B: A television that seeks evolution

Samsung QE55QN91B: A television that seeks evolution

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Samsung always seeks to surprise its users and this year has not been the exception, since we have seen the birth of new televisions that have been standing out for their new features and the performance they bring with them. For this review we bring a high-end model that has generated attraction for the quality that we find in each available section. We are talking about the Samsung QE55QN91B that can surely meet most demands, however, it has a high price, therefore, we want to analyze what it offers in more detail.

Technical characteristics

Make model Samsung QE55QN91B
Size 55″ (139.7cm)
Resolution 4K Ultra HD (3840 x 2160 pixels)
Aspect Ratio 16:9
Frequency 4,600Hz PQI
Backlight Mini-LEDs
SmartTV Yes Tizen 6.5
Integrated Wi-Fi Yes
Bluetooth Yes
3D Nope
usb recorder Yes
  • Analog (NTSC/PAL/SECAM)
  • DVB-T2
  • DVB-C
  • DVB-S2
  • 60W
  • Dolby Atmos
  • Dolby Digital Plus
  • Q Symphony
  • Adaptive Sound+
  • Multiroom Link
  • Active Voice Amplifier
Dimensions without stand (Height x Width x Depth) 705.6 x 1227.4 x 25.9mm
Dimensions with stand (Height x Width x Depth) 768 x 1227.4 x 235.6mm
Weight (Without / With stand) 17.7kg / 21.9kg
VESA compatibility Yes, 200 x 200mm
HDMI ports 4
USB ports two
other connectors
  • EthernetRJ45
  • headphone output
  • optical audio output
  • RF input
IC+ Integrated Yes
Energy Class Category F
Content / Accessories
  • Remote control
  • batteries
  • current cable
  • user’s Guide

Exterior design of the Samsung QE55QN91BATXXC

Samsung QE55QN91B design

Highlight its aesthetics that provides an attractive view that is maintained regardless of the position of the television

Let’s start by analyzing the design of the Samsung QE55QN91BATXXC that at first glance generates positive sensations due to the style it offers. The first thing to mention is that it has a size of 55 inches with dimensions of 705.6 x 1227.4 x 25.9 mm , ideal for medium-sized rooms.

This without counting the VESA support that we can acquire separately, obviously means an extra expense, but we believe that it is worth it, since it ends up being a very useful tool that improves the installation of the television . Especially to place it directly on the wall.

What we are looking for is to have the best view and we achieve this through the front that offers slim bezels, which provide an elegant appearance that combines well with the black chassis providing a solid presence that usually integrates well with different environments.

Its central base also improves the design, in addition, we noticed that it offers good stability on the available surfaces. The rear part improves a lot unlike other models, since the space turns out to be less bulky , thus we get a more colorful appearance.

Also note that it has a resistant construction thanks to the good materials it integrates. We can make use of the Ambient Mode + function that allows us to download images at a good resolution to place them as a wallpaper when the television is idle.


The Samsung QE55QN91BAT integrates four HDMI inputs that are an excellent option to transmit the signal from compatible devices such as consoles, computers, laptops and players. Thanks to the version included, the performance far exceeds expectations.

It also offers two USB ports that we can use to play videos, photos and music from compatible sources. However, the biggest attraction is that they allow us to record content to view whenever we want, although, due to this version, data transmission is not as efficient.

The rest of the physical connections are equally important because they make it easier for us to carry out other actions. Here we highlight the presence of an Ethernet port , an optical audio output , a headphone jack and an RF – type antenna . It has compatibility with DVB-T2/C/S2 .

Now let’s talk about the wireless section that is not far behind and has excellent options, for example, the Wi-Fi connection that makes it easier for us to surf the internet, likewise, it implements Bluetooth 5.2 that improves stability by version. For streaming it works with DLNA .

Image quality and functions in general of the Samsung QE55QN91B

One of the biggest attractions of the Samsung QE55QN91B is its image that has a good optimization, which allows you to view any content at good quality. To begin with, it integrates a 4K resolution that by power delivers better details that stand out for realism.

To this add the Mini LED backlight that far exceeds most conventional panels. This is because it works with more LED bulbs, allowing local dimming of about 1,000 zones, so there will be no loss of quality in very dark environments.

We will also see deeper blacks and dark scenes with better details . In the event that the television is positioned in a very bright area, there will be no problem thanks to the anti-glare screen that avoids any distraction, likewise, it works with several technologies.

Although the most attractive seems to us Quantum Dot that delivers a new level of brightness and contrast, in addition, we will appreciate 100% of the color volume. The rest of the improvements work on other essential parameters, achieving a precise and intense image that had not been seen before.

It also features support for HDR formats that work accurately with compatible content otherwise we do not recommend enabling it. In the same way, it has functions that improve the fluidity of movements, although it has a frequency of 100 Hz.


This section will not be a problem as it usually happens in lower quality televisions. Here we have a total power of 60W that is achieved thanks to the inclusion of speakers and subwoofers . This quality will be enough to clearly hear the content regardless of its requirement.

As if that were not enough, it integrates enhancement technologies such as Dolby Atmos , Adaptive Sound+ and Active Voice Amplifier that deliver an immersive and precise experience, especially in dialogues that are almost always the most affected by bad sound.

Software analysis / Smart TV and more features of the Samsung QE55QN91BAT

Samsung QE55QN91B Smart TV

It has a very complete system that offers optimization and high security that improves the user experience

The Samsung QE55QN91BATXXC offers the most recent version of Tizen , a system created on Linux that usually stands out for its optimization and security. And in this update it improves other aspects, for example, now we have a better application store with more alternatives .

In the same way, it has voice control thanks to the fact that it integrates Google Assistant , Alexa and Bixby . Another feature that generates interest is Apple AirPlay 2 that allows us to transmit videos, photos and music from an iPhone, iPad or Mac. The interesting thing is that the performance is quite good.

Now, the Samsung QE55QN91BAT turns out to be a good option to play thanks to AMD FreeSync Premium that improves performance and graphics, although there will also be other technologies that work on the same. Includes exclusive features for a more complete experience.


Samsung QE55QN91B: Pros and Cons

  • Design
  • connectivity
  • Good image
  • enhancement technologies
  • HDR formats
  • Sound
  • voice control
  • game features
  • Apple AirPlay 2
  • Does not include USB 3.0
  • Price
  • hard to get


Picture quality
System / SmartTV
Quality / price ratio
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