When we talk about QLED 4K TV from Samsung’s 2024 TV lineup, we can find Samsung Q80D and Q70D as two higher options of three QLED 4K TV lineup. Samsung Q80D and Q70D are positioned as the higher series of the basic Samsung Q60D. Samsung Q80D is offered in 5 screen size options: 85-Inch (QN85Q80DAFXZA), 75-Inch (QN75Q80DAFXZA), 65-Inch (QN65Q80DAFXZA), 55-Inch (QN55Q80DAFXZA) and 50-Inch (QN50Q80DAFXZA) while Samsung Q70D is offered in 4 screen size options: 85-Inch (QN85Q70DAFXZA), 75-Inch (QN75Q70DAFXZA), 65-Inch (QN65Q70DAFXZA) and 55-Inch (QN55Q70DAFXZA). It’s easy to notice that Samsung Q80D is the series that positioned higher than Samsung Q70D. What is the key difference between Samsung Q80D and Q70D? It’s important for us to know the key difference between Samsung Q80D and Q70D before we can decide which of them is the one to choose.
Samsung Q80D Introduction
Samsung Q80D is the highest of three 4K QLED TV series from Samsung’s 2024 TV lineup. It’s the series positioned as the successor of Samsung Q80C from Samsung’s 2023 TV lineup. QLED display of Samsung Q80D brings Quantum Dot Color that can deliver Wide Color Gamut that allows us to enjoy rich and accurate color details on the screen of this TV.
Samsung Q80D already comes with Direct Full Array LED Backlight completed with local dimming. Direct Full Array Local Dimming backlight is able to reproduce greater depth and textures while allows us to enjoy great contrast ratio between the brightest and darkest part of the TV screen. 4K AI Upscaling is integrated with 4K UHD resolution of Samsung Q80D that can bring excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality.
Samsung Q80D is powered by NQ4 AI Gen2 Processor. It’s able to optimize the color, clarity and contrast of the picture delivered on the screen of this TV. We can also enjoy enhanced details and expanded contrast from wide range of HDR content sources with Quantum HDR+ that supports HDR10+, HDR10 and HLG.
Samsung Q80D already comes with Motion Xcelerator 120Hz based on 120Hz native refresh rate (except 50-Inch screen). It’s able to deliver smooth motion images for our favorite action movies and sports while also can bring low input lag when we use this TV as our gaming monitor. To bring more immersive gaming experience Samsung Q80D already supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), FreeSync Premium Pro and HGiG on top of its 120Hz native refresh rate (except 50-Inch).
TIZEN 2024 is the operating system integrated with Samsung Q80D. It’s able to deliver wide range of premium entertainment from our favorite content providers while also allows us to run additional TIZEN smart apps on the screen of this TV. 802.11ac wireless is already attached with Samsung Q80D to help us connect this TV to our home network easily. We can control Samsung Q80D conveniently with its included TM2360E SolarCell remote while we can also control this TV using Google Assistant, Amazon Alexa, Apple AirPlay and Bixby since they are already supported.
Samsung Q80D comes with 2.2CH 40W speakers system that can deliver rich and quite powerful sound quality. The sound is also enhanced by OTS Lite that can tracks every motion on the TV screen for more realistic sound experience as well as other sound technology such as Q-Symphony and Adaptive Sound Pro. We can also setup more advanced AV system with eARC (Enhanced Audio Return Channel) of this TV to enjoy higher quality audio formats.
The key specs & features of Samsung Q80D can be summarized with the table below.
| Samsung Q80D | ||||||
| Brand | Samsung | |||||
| Introduced | 2024 | |||||
| Screen Size |
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| Resolution | 4K UHD | |||||
| Display Technology | QLED | |||||
| Upscaling Technology | 4K AI Upscaling | |||||
| Backlight Technology | Direct Full Array | |||||
| Color Technology | Quantum Dot Color | |||||
| Contrast Technology |
Real Depth Enhancer
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| Dimming Technology | Local Dimming | |||||
| HDR Technology | Quantum HDR + | |||||
| HDR Support |
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| Picture Processor | NQ4 AI Gen2 Processor | |||||
| Motion Technology |
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| Gaming Technology |
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| Operating System | TIZEN 2024 | |||||
| Remote Control | TM2360E (SolarCell Remote) | |||||
| Control Support |
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| Built-in Wifi | Wi-Fi 5 (802.11ac) | |||||
| Speaker System |
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| HDMI/USB |
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| Price |
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Samsung Q70D Introduction
Samsung Q70D is the middle 4K QLED TV series from Samsung’s 2024 TV lineup. It’s positioned below Samsung Q80D and above Samsung Q60D. Samsung Q70D is introduced as the successor of Samsung Q60C. Samsung Q70D comes with Quantum Dot Color integrated as part of its QLED display. Quantum Dot Color allows us to enjoy rich and accurate color details as it’s able to bring Wide Color Gamut.
The contrast technology of Samsung Q70D is Dual LED. Dual LED is indeed less advanced backlight technology than Full Array Local Dimming, but it’s still able to deliver more realistic textures and details on the screen of Samsung Q70D. 4K AI Upscaling is already integrated with Samsung Q70D that allows us to enjoy excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality with AI technology.
Quantum Processor 4K is the picture processor integrated with Samsung Q70D that can optimize the color, clarity and contrast of the picture delivered on the screen of this TV. The HDR technology of Samsung Q70D is Quantum HDR that supports HDR10+, HDR10 and HLG to bring enhanced details and expanded contrast from wide range of HDR content sources.
TIZEN 2024 is the operating system integrated with Samsung Q70D. It can deliver wide range of premium entertainment from our favorite content providers while also allows us to run wide collection of TIZEN smart apps on the big screen of this TV. We can easily connect this TV to our home network since Wi-Fi 5 is already attached to this TV. We can control Samsung Q70D conveniently with its included TM2360E remote as well as Google Assistant, Amazon Alexa, Apple AirPlay and Bixby that already supported.
The speaker system integrated with Samsung Q70D is quite basic 2CH 20W speaker system. Although it’s quite basic speaker system, we can still enjoy good sound quality with additional technology such as OTS Lite, Q-Symphony and Adaptive Sound Plus. We can also enjoy higher quality audio formats with more advanced AV system that we can setup more eARC (Enhanced Audio Return Channel) of this TV.
We can summarize the key specs and features of Samsung Q70D with the table below.
| Samsung Q70D | |||||
| Brand | Samsung | ||||
| Introduced | 2024 | ||||
| Screen Size |
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| Resolution | 4K UHD | ||||
| Display Technology | QLED | ||||
| Upscaling Technology | 4K AI Upscaling | ||||
| Backlight Technology | Dual LED | ||||
| Color Technology | Quantum Dot Color | ||||
| Contrast Technology | Contrast Enhancer | ||||
| Dimming Technology | Supreme UHD Dimming | ||||
| HDR Technology | Quantum HDR | ||||
| HDR Support |
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| Picture Processor | Quantum Processor 4K | ||||
| Motion Technology | Motion Xcelerator 120Hz (120Hz Native) | ||||
| Gaming Technology |
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| Smart TV Platform | TIZEN 2024 | ||||
| Remote Control | TM2360E (SolarCell Remote) | ||||
| Control Support |
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| Built-in Wifi | Wi-Fi 5 (802.11ac) | ||||
| Speaker System |
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| HDMI/USB |
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| Price |
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What is Their Key Difference?
If we look at the table of specs and features of Samsung Q80D and Q70D, we can find that there are few key differences between Samsung Q80D and Q70D. The first key difference between Samsung Q80D and Q70D comes from their backlight technology. Samsung Q80D comes with Direct Full Array backlight while Samsung Q70D only comes with Dual LED backlight. Direct Full Array backlight of Samsung Q80D is also completed with local dimming. It’s able to reproduce greater depth, textures and details on the screen of Samsung Q80D. The second difference of Samsung Q80D and Q70D comes from their picture processor. Samsung Q80D is powered by NQ4 AI Gen2 Processor while Samsung Q70D comes with Quantum Processor 4K. NQ4 AI Gen2 Processor is the more advanced picture processor that can deliver better optimization for the color, clarity and contrast of the picture delivered on the screen of Samsung Q80D. There’s also another key difference in the HDR technology of Samsung Q80D and Q70D. Samsung Q80D comes with Quantum HDR+ while samsung Q70D comes with Quantum HDR. Quantum HDR+ is able to deliver better HDR results than Quantum HDR. We can also find another key difference in the speaker system of Samsung Q80D and Q70D. Samsung Q80D comes with 2.2CH 40W speaker system while Samsung Q70D comes with 2CH 20W speaker system. With 2.2CH 40W speaker system, we can enjoy richer and more powerful internal sound from Samsung Q80D than 2CH 40W speaker system of Samsung Q70D.
When it comes to price, Samsung Q80D is normally offered at a higher price than Samsung Q70D for similar screen size options. If you are interested to know the price difference between Samsung Q80D and Q70D, it’s a good idea to check the price of those two TVs since TV prices often change from time to time.
The table below can summarize the key differences between Samsung Q80D and Q70D.
| Samsung Q80D | Samsung Q70D | |
| Backlight Technology | Direct Full Array | Dual LED |
| Local Dimming | YES | NO |
| Picture Processor | NQ4 AI Gen2 Processor | Quantum Processor 4K |
| HDR Technology | Quantum HDR+ | Quantum HDR |
| Speaker System | 2.2CH 40W | 2CH 20W |
| Price | More Expensive | Less Expensive |
Summary
There are few better aspects in Samsung Q80D as the higher series of Samsung Q70D that we can find from our discussion about their key differences. Samsung Q80D already comes with Direct Full Array backlight with local dimming that allows us to enjoy more realistic textures and details. It’s also powered by more powerful NQ4 AI Gen2 Processor that can provides better optimization for the color, clarity and contrast of the picture delivered on the screen of this TV. Samsung Q80D is also able to deliver better HDR results with its Quantum HDR+. We can also get richer more powerful internal sound in Samsung Q80D as an additional bonus. If you are interested in Direct Full Array backlight with local dimming, more powerful picture processor, better HDR results and richer more powerful internal sound while you don’t mind to spend more then Samsung Q80D is the one that you should choose.
| Samsung Q80D Prices | |
| 85-Inch (QN85Q80DAFXZA) | Check Today’s Price (Samsung.com)… |
| 75-Inch (QN75Q80DAFXZA) | Check Today’s Price (Samsung.com)… |
| 65-Inch (QN65Q80DAFXZA) | Check Today’s Price (Samsung.com)… |
| 55-Inch (QN55Q80DAFXZA) | Check Today’s Price (Samsung.com)… |
| 50-Inch (QN50Q80DAFXZA) | Check Today’s Price (Samsung.com)… |
Samsung Q70D is positioned as the more affordable option of Samsung Q80D. It’s mostly similar except that it doesn’t come with Direct Full Array LED backlight and local dimming while it’s completed with less advanced Quantum Processor 4K, less excellent Quantum HDR and less powerful 2CH 20W speaker system. But Samsung Q70D is indeed offered at a more affordable price for similar screen size option. So, if your budget is more limited and you don’t mind with no Direct Full Array LED backlight and local dimming, less advanced Quantum Processor 4K, less excellent HDR results and less powerful internal speaker system then Samsung Q70D is the one that you can choose.
| Samsung Q70D Prices | |
| 85-Inch (QN85Q70DAFXZA) | Check Today’s Price (Samsung.com)… |
| 75-Inch (QN75Q70DAFXZA) | Check Today’s Price (Samsung.com)… |
| 65-Inch (QN65Q70DAFXZA) | Check Today’s Price (Samsung.com)… |
| 55-Inch (QN55Q70DAFXZA) | Check Today’s Price (Samsung.com)… |