Samsung QN90A Smart TV (36 Questions Answered)

By Robert Anderson •  9 min read •  Televisions

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If you’re in the market for a new Smart TV, then look no further than the Samsung QN90A –  it’s the best 4K Smart TV that Samsung has to offer in 2021.

But let’s take a deeper look into the features this excellent TV has to offer and some of the questions that you may have.

Here’s what you need to know about The Samsung QN90A:

The Samsung QN90A has mini-LED backlighting allowing the TV to get extremely bright whilst providing a great contrast ratio and local dimming.  The TV is great for gaming with support for FreeSync, variable refresh rate (VRR) and G-SYNC.  The TV also has low input lag and a 120Hz refresh rate.

Here are some of the stand-out features:

  • Features Neo QLED technology that looks almost as good as OLED.
  • The mini-LEDs behind the screen are 40x smaller than a standard LED according to Samsung.  This means more LEDs can be packed in there, giving a more precise illumination.
  • The TV has a slick and ultra-thin bezel with the screen going right up to the edge.
  • There are channels around the back of the TV to hide the wires.
  • The solar panel on the remote can charge with indoor lighting or sunlight.  The remote can also charge using a USB lead, eliminating the need to replace the batteries.
  • The remote is minimalistic but has specific buttons on the remote for Netflix, Amazon Prime and Samsung TV Plus.
  • Built-in voice assistant.  Choice of Bixby, Amazon Alexa or Google Assistant.

What year was the Samsung QN90A introduced?

The Samsung QN90A was introduced in 2021.

Is the Samsung QN90A 4K?

The Samsung QN90A Neo QLED is a 4K TV with a resolution of 3,840 x 2,160.

Is the Samsung QN90A full array or edge lit?

The Samsung QN90A has a mini LED full-array local dimming feature.

This improves the contrast ratio and can make the blacks appear deeper.  Samsung has made LEDs 40 times smaller than conventional LEDs allowing more of them to be crammed into the TV.

Is the Samsung QN90A 120Hz?

The Samsung QN90A has a refresh rate of 120Hz with a true 120Hz panel which can improve the picture quality by reducing motion blur.

Is the Samsung QN90A HDR?

The Samsung QN90A supports the HDR10 and the HDR10 Plus formats but does not support Dolby Vision HDR.

How many HDMI ports Does the Samsung QN90A have?

The Samsung QN90A has 4 HDMI ports: 3 HDMI 2.0 and 1 HDMI 2.1.

Does the Samsung QN90A have HDMI 2.1?

The Samsung QN90A has a single HDMI 2.1 input on HDMI 4.  

In comparison, the European Samsung QN95A model has four HDMI 2.1 inputs.

The HDMI 2.1 port supports eARC, Auto Low Latency Mode (ALLM), Dynamic Metadata (HDR10+), Variable Refresh Rate (VRR), and High Frame Rate (HFR) 4K@120Hz.

Does the Samsung QN90A have Chromecast?

The Samsung QN90A does not have a built-in Chromecast, but it is possible to connect one externally.

Does the Samsung QN90A have eARC?

The Samsung QN90A has eARC on HDMI 3 and is able to pass a Dolby Atmos signal via TrueHD via eARC.

For this to work, you have to enable HDMI-eARC Mode and set Digital Output Audio to “Pass-Through”.

Does the Samsung QN90A have HDMI ARC?

The Samsung QN90A has HDMI ARC and is able to pass a Dolby Digital 5.1 signal to a receiver via HDMI ARC.

Does the Samsung QN90A have a camera?

The Samsung QN90A does not have a camera but does allow you to plug in a webcam.  

Alternatively you can use the camera on your smartphone and screen mirror Google Duo to the TV.

Does Samsung QN90A have bluetooth?

The Samsung QN90A has bluetooth version 4.2.

What is the difference between the Samsung QN90A and QN85A (key differences)?

The Samsung QN90A is more expensive than the QN85A but also has better performance.  

The Samsung QN90A uses a VA panel to display deeper blacks and is brighter than the QN85A.  The QN85A uses an ADS panel which has wider viewing angles.

The Samsung QN90A is slightly more responsive, has Quantum HDR 32x (the QN85A is 24x, so not as bright) and has slightly better sound.

The Samsung QN90A has OTS+ (Object Tracking Sound) whilst the QN85A has OTS (without the “+”), which is a more simplified version.

Does Samsung QN90A support Dolby Atmos?

The Samsung QN90A can pass Dolby Atmos signals through to a receiver using HDMI eARC.

Does the Samsung QN90A have Dolby vision?

The Samsung QN90A does not support Dolby Vision.

But the TV performs great without this format using HDR10 and HDR10+.

Is the Samsung QN90A good for gaming?

The Samsung QN90A is an excellent gaming TV with support for HDMI 2.1, a refresh rate of 120Hz@4K and supports Variable Refresh Rate (VRR).  

The input lag on this TV is also excellent.  According to Rtings, the input lag is just 5.3ms at 4K resolution and 120Hz in game mode.

The Samsung QN90A also has a feature called the “Game Bar” and is activated by holding down the play button.

This allows gamers to get instant statistics such as frames per second (in real time), VRR status and input lag.

Is the Samsung QN90A HDR?

The Samsung QN90A supports HDR10 and HDR10+ using Samsung’s Quantum HDR 32x.

This provides an excellent peak brightness of 1800 nits in normal modes and in gaming mode, it peaks at 1862 nits (

Does the Samsung QN90A have a One Connect Box?

The Samsung QN90A does not feature a One Connect Box.  

However, in Europe, the QN95A above it supports One Connect.

Does the Samsung QN90A have Airplay?

The Samsung QN90A supports AirPlay 2.

Does the Samsung QN90A have picture-in-picture?

The Samsung QN90A supports picture-in-picture and multiview.

Multiview allows for split screens and content from multiple sources to be displayed at the same time.  

For example, you can have content sourced from HDMI devices on the left hand screen, and on the right you could mirror your smartphone.

Does the Samsung QN90A need a soundbar?

The Samsung QN90A doesn’t need a soundbar but it would benefit from having one to go with the excellent picture.

If you go with one of Samsung’s soundbars (such as the Samsung HW-Q950T), then you can use it together with the TV’s built-in speakers, for a more immersive sound.

Does Samsung QN90A have VRR?

The Samsung QN90A supports FreeSync VRR (Variable Refresh Rate) natively and also has G-SYNC compatibility to help prevent screen tearing.

This is particularly welcome if you’re playing games on the TV.

Does the Samsung QN90A have Apple TV?

The Samsung QN90A has the Apple TV app and has support for Apple’s AirPlay2 system.

Does Samsung QN90A have ambient mode?

The Samsung QN90A has “Ambient Mode+” and has a dedicated button on the remote.

Ambient mode allows you to display stuff on the screen when you’re not watching it like photos, weather information, artwork or stories that you may be interested in.

Does the Samsung QN90A have anti-glare?

Yes, the Samsung QN90A has impressive anti-glare capabilities.

And because the TV is incredibly bright, you’ll be able to see the screen in any well-lit room.

How much Does Samsung QN90A weigh?

The Samsung QN90A weighs 39 lb without the stand and 48.3 lb with the stand.

The shipping weight is 61.7 lb.

Does Samsung QN90A support 3D?

No, the Samsung QN90A does not support 3D.

Does YouTube work on the Samsung QN90A?

YouTube works on the Samsung QN90A and comes pre-installed on the TV’s App Launcher when the TV’s setup is complete.

Does the Samsung QN90A have a film on the screen?

If after unboxing you notice that the screen has a large blue triangle in the upper left hand corner of the screen, it has a protective film which can be removed.

If it hasn’t, Samsung has advised not to peel it off as you may damage the screen.

Does the Samsung QN90A have a headphone jack?

There is no headphone jack on the Samsung QN90A.

It can be handy to have a headphone jack, especially if the batteries die on your bluetooth headphones.

You can however buy a HDMI to headphone jack adapter.

Does the Samsung QN90A have component input?

The Samsung QN90A does not have support for any legacy ports such as component, composite or SCART.

How many USB ports Does the Samsung QN90A have?

There are two USB 2.0 ports on the Samsung QN90A.

How many speakers are on the Samsung QN90A?

The Samsung QN90A has a built-in 4.2.2-channel speaker system with a total of 60W power.

Does the Samsung QN90A have Digital Optical Audio Out?

The Samsung QN90A has a single Digital Optical Audio output port and can pass a Dolby Digital 5.1 signal to a receiver.

Does the Samsung QN90A have DisplayPort?

The Samsung QN90A does not have DisplayPort.


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Robert Anderson

Robert Anderson

Robert Anderson, the founder of Tech Parasol, had a keen interest in tech from a very young age. He studied Electronic Engineering at University and then went on to become a Software Developer. He launched Tech Parasol in 2021 to share his knowledge with the aim of making tech easier to understand for everyone.