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Ultra HD Televisions

Ultra HD TVs are designed for demanding customers who need a very sharp image. With a 3840 × 2160 resolution, or roughly 8.3 million pixels, these TVs deliver four times the resolution than standard Full HD TVs. At such high resolutions, individual pixels become invisible, so you will see the finest details even standing very close to the screen. What are the other benefits of 4K TVs?

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The Main Benefits of 4K TVs

  • High resolution delivers crisp details.
  • The HDR standard offers an image with a richer range of colors.
  • Higher frame rates ensure a smoother and sharper image.
  • Using the Upscaling feature, lower resolution images are converted into 4K quality.
  • Higher pixel density allows watching 4K televisions from a smaller distance.
  • Powerful 4K TVs can handle high-speed Internet browsing and app usage.
  • Today, there is plenty of content at 4K resolution, so a 4K TV is now worth the investment.

Compare the size of Full HD and 4K TVs

Full HD and 4K image quality comparison

Important Parameters to Consider When Buying a 4K TV

Screen Size

The majority of 4K TVs have screens sizes of 55" (140cm) and larger, and when viewed, the optimal eye distance from the screen is 1.5 times its height, which is approximately 1.2m. When choosing the screen size, take into consideration the layout of your living room and avoid causing excessive fatigue of your eyes.

4K Panel Refresh Rate

The image processing frequency value determines the smoothness of the resulting image, shown in Hertz, and the 4K television ranges from 50 to 100Hz. The higher the refresh rate of the panel, the smoother the image the TV can offer you.

Tuner Type

For all types of TVs, including those with 4K support, the tuner takes care of receiving and processing TV signals. To tune into your favourite shows, you need to have a TV with a tuner that supports the same broadcasts as available with the 4K TV.

  • DVB-T - allows you to receive standard antenna broadcasts.
  • DVB-T2 - for antenna broadcasting with more efficient encoding, more data streaming and better picture quality. In 2021 it will completely replace the DVB-T standard.
  • DVB-S2 - together with a satellite, it provides satellite reception.
  • DVB-C - Allows for cable reception.

and

When choosing a 4K TV, follow our general guide on selecting a TV. Here you will find more information about SMART features, inputs and outputs, image and power technologies.

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889 Results
65" Samsung MRE65R85H - Television
Free delivery
to Alza branch
5 sizes
65" Samsung MRE65R85H
Television - SMART, 165cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10+, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, CI+, WiFi, Bluetooth, game mode, voice control, Tizen OS, VESA 400×300, 30 W speaker(s), DTS Digital Surround and Dolby Atmos, F
New arrival 35,990,-
From 854,- per month
Buy
In stock > 5 pcs
Order Code: WR173b1
75" Samsung UE75M80H - Television
Free
delivery
4 sizes
75" Samsung UE75M80H
Television - SMART, 191cm, 4K Ultra HD, 100 / 120Hz (100Hz), Mini LED, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, CI+, WiFi, Bluetooth, game mode, voice control, Tizen OS, VESA 400×300, 20 W speaker(s), DTS Digital Surround, D
Buy with code 2026ALZAEXTRA10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 28,791,-
New arrival 31,990,-
From 683,- per month
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In stock 5 pcs
Order Code: WR173v3
65" Hisense 65UR8S - Television
Free delivery
to Alza branch
5 sizes
65" Hisense 65UR8S
Television - SMART, 165cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10+, HLG and Dolby Vision IQ, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, CI+, USB recording, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, Amazon Alexa, Apple Airplay 2, Vidaa, VESA 400×300, DTS:X and Dolby Atmos
+2 gifts with a value of 24,058,-
Buy with code 2026ALZAEXTRA5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 33,241,-
New arrival 34,990,-
From 788,- per month
Buy
In stock > 5 pcs
Order Code: HIS022x8ax25
85" TCL 85C6K - Television
Free delivery
to Alza branch
6 sizes
85" TCL 85C6K
Television - SMART, 215cm, 4K Ultra HD, 100 / 120Hz (100Hz), Mini LED, HDR10, HDR10+, Dolby Vision, HLG and Dolby Vision IQ, local dimming,, 4× HDMI, 1× USB, CI+, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, Google TV, VESA 600×400, 40 W speaker(s), DTS:X, DTS Virtual:X and Dolby Atmos, D
+2 gifts with a value of 5,490,-
Buy with code 2026ALZAEXTRA20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 31,992,-
39,990,-
From 759,- per month
Buy
In stock > 5 pcs
Order Code: WK690g3c2
43" Samsung QE43Q7F4 - Television
43" Samsung QE43Q7F4
Television - SMART QLED, 109cm, 4K Ultra HD, 50 / 60Hz (50Hz), HDR10, HDR10+ and HLG, local dimming, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, Bluetooth, DLNA, game mode, Apple Airplay 2, Tizen OS, VESA 200×200, 20 W speaker(s), Dolby Digital Plus, G
9,990,-
From 237,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: WR174l42
65" Samsung QE65QN70H - Television
Free delivery
to Alza branch
6 sizes
65" Samsung QE65QN70H
Television - SMART QLED, 165cm, 4K Ultra HD, 50 / 60Hz (50Hz), DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 2× USB, CI+, WiFi, Bluetooth, game mode, voice control, Tizen OS, VESA 400×300, 20 W speaker(s), DTS Digital Surround, E
Price with Cashback Cashback presents the option to get back money from your purchase online, usually requires a registration Získejte zpět část peněz při nákupu vybraných novinek Samsung. Akce platí do 5.7.2026 nebo do vyprodání zásob. 23,290,-
New arrival 24,790,-
From 588,- per month
Buy
In stock > 5 pcs
Order Code: WR173l3
55" HAIER H55C95EUX - Television
Free
delivery
55" HAIER H55C95EUX + Cashback 5000 Kč
Television - SMART OLED, 139cm, 4K Ultra HD, 100 / 120Hz (100Hz), HDR10, HDR10+, Dolby Vision, HLG and Dolby Vision IQ, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, CI+, USB recording, Bluetooth, Chromecast, game mode, voice control, Google Assistant, Google TV, VESA 300×200, 44 W speaker(s), Dolby Atmos, F
Buy with code 2026ALZAEXTRA20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 31,992,-
39,990,-
From 759,- per month
Buy
In stock 3 pcs
Order Code: Ha2tva1b2
50" LG 50QNED70B6C - Television
4 sizes
50" LG 50QNED70B6C
Television - SMART, 127cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, HDR10 and HLG, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, USB recording, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, webOS, VESA 300×200, 20 W speaker(s), Dolby Digital AC3, F
New arrival 11,990,-
From 284,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WK6016c66
65" TCL 65C6K PRO - Television
Free delivery
to Alza branch
4 sizes
65" TCL 65C6K PRO
Television - SMART, 165cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10, HDR10+, Dolby Vision and HLG, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 1× USB, CI+, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, Google TV, VESA 300×300, 40 W speaker(s), DTS:X, DTS Virtual:X, DTS HD, Dolby Atmos and Dolby Digital Plus, E
22,990,-
From 545,- per month
Buy
In stock > 5 pcs
Order Code: WK691f1
75" LG 75QNED7EB3A - Television
Free delivery
to Alza branch
2 sizes
75" LG 75QNED7EB3A
Television - SMART, 191cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, HDR10 and HLG, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, USB recording, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, webOS, VESA 300×300, 20 W speaker(s), Dolby Digital AC3, E
21,990,-
From 522,- per month
Buy
In stock > 5 pcs
Order Code: WK6016c69
50" Samsung QE50QN80H - Television
Free delivery
Alzaboxes and stores
5 sizes
50" Samsung QE50QN80H
Television - SMART QLED, 127cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, CI+, WiFi, Bluetooth, game mode, voice control, Tizen OS, VESA 200×100, 30 W speaker(s), DTS Digital Surround and Dolby Atmos, F
Price with Cashback Cashback presents the option to get back money from your purchase online, usually requires a registration Získejte zpět část peněz při nákupu vybraných novinek Samsung. Akce platí do 5.7.2026 nebo do vyprodání zásob. 20,490,-
New arrival 21,990,-
From 522,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WR173j3
50" STRONG SRT50UG8773C - Television
50" STRONG SRT50UG8773C
Television - SMART QLED, 127cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, HDR10, DVB-T2/S2/C, H.265/HEVC, 2× HDMI, 2× USB, CI+, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Google TV, VESA 200×200, 20 W speaker(s), Dolby Atmos, G
Buy with code 2026ALZAEXTRA25 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 7,124,-
9,499,-
From 169,- per month
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: JT880m10e
50" Samsung UE50U8072H - Television
6 sizes
50" Samsung UE50U8072H
Television - SMART LED, 127cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, CI+, WiFi, Bluetooth, game mode, voice control, Tizen OS, VESA 200×200, 20 W speaker(s), DTS Digital Surround, F
New arrival 9,990,-
From 237,- per month
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: WR173s3
75" Xiaomi S Mini LED 2026 - Television
Free delivery
to Alza branch
5 sizes
75" Xiaomi S Mini LED 2026
Television - SMART, 191cm, 4K Ultra HD, 50 / 60Hz (50Hz), Mini LED, HDR10+, local dimming, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, CI+, Bluetooth, Chromecast, game mode, Apple Airplay 2, Google TV, VESA 400×300, 30 W speaker(s), DTS:X and Dolby Digital, E
New arrival 23,999,-
From 569,- per month
Buy
In stock > 5 pcs
Order Code: XItel35
85" Sharp 85HP5265E - Television
Free delivery
to Alza branch
85" Sharp 85HP5265E
Television - SMART QLED, 215cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, HDR10, Dolby Vision and HLG,, 4× HDMI, 2× USB, CI+, WiFi, Bluetooth, Chromecast, voice control, Google Assistant, Google TV, VESA 600×300, 24 W speaker(s), Dolby Atmos, Dolby Digital AC4 and Dolby Digital Plus, E
+Gift Wireless Headphones AIWA with a value of 2,359,-
21,990,-
From 522,- per month
Buy
In stock 5 pcs
Order Code: WSA387d8a6
65" Toshiba 65UV3F63DG - Television
65" Toshiba 65UV3F63DG
Television - SMART LED, 165cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, Dolby Vision,, 3× HDMI, 2× USB, CI+, USB recording, WiFi, Bluetooth, Vidaa, VESA 400×200, 24 W speaker(s), Dolby Atmos, E
Discounted -13 % 9,490,- 10,990,-
From 225,- per month
Buy
In stock > 5 pcs
Order Code: WB055y2g22k
55" LG 55MRGB86B6A - Television
Free delivery
Alzaboxes and stores
4 sizes
55" LG 55MRGB86B6A
Television - SMART, 139cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10, Dolby Vision and HLG, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, USB recording, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, webOS, VESA 300×300, 20 W speaker(s), Dolby Atmos and Dolby Digital AC3, E
New arrival 29,990,-
From 711,- per month
Buy
In stock 2 pcs
Order Code: WK6016c38
55" Hisense 55U7S PRO - Television
Free delivery
Alzaboxes and stores
5 variants
55" Hisense 55U7S PRO
Television - SMART, 139cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10+, HLG and Dolby Vision IQ, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, CI+, USB recording, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, Amazon Alexa, Apple Airplay 2, Vidaa, VESA 400×400, DTS:X and Dolby Atmos, E
+Gift Subscription Antik TV po registraci zdarma with a value of 4,068,-
Buy with code 2026ALZAEXTRA20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 16,792,-
New arrival 20,990,-
From 398,- per month
Buy
In stock > 5 pcs
Order Code: HIS022x8ax19
50" Toshiba 50UV3F63DG - Television
50" Toshiba 50UV3F63DG
Television - SMART LED, 127cm, 4K Ultra HD, 50 / 60Hz (50Hz), Direct, Dolby Vision,, 3× HDMI, 2× USB, CI+, USB recording, WiFi, Bluetooth, Vidaa, VESA 200×200, 20 W speaker(s), Dolby Atmos, E
7,599,-
From 180,- per month
Buy
In stock > 5 pcs
Order Code: WB055y2g22h
98" TCL 98C6K - Television
Free delivery
to Alza branch
6 sizes
98" TCL 98C6K
Television - SMART, 249cm, 4K Ultra HD, 100 / 120Hz (100Hz), Mini LED, HDR10, HDR10+, Dolby Vision, HLG and Dolby Vision IQ, local dimming,, 4× HDMI, 1× USB, CI+, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, Google TV, VESA 600×500, 40 W speaker(s), DTS:X, DTS Virtual:X and Dolby Atmos, E
+2 gifts with a value of 5,490,-
Buy with code 2026ALZAEXTRA20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 47,992,-
59,990,-
From 1,138,- per month
Buy
In stock > 5 pcs
Order Code: WK690g3pa
75" LG 75QNED93A6A - Television
Free delivery
to Alza branch
3 sizes
1.0 1×
75" LG 75QNED93A6A
Television - SMART, 191cm, 4K Ultra HD, 100 / 120Hz (100Hz), Mini LED, HDR10, HLG and Dolby Vision IQ, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 2× USB, USB recording, Bluetooth, DLNA, Chromecast, game mode, voice control, Amazon Alexa, Apple Airplay 2, webOS, VESA 400×300, 40 W speaker(s), Dolby Atmos and Dolby Digital AC3, G
36,990,-
From 877,- per month
Buy
In stock > 5 pcs
Order Code: WK6017a49
55" Blaupunkt 55MBG7000S - Television
55" Blaupunkt 55MBG7000S
Television - SMART, 139cm, 4K Ultra HD, 100 / 120Hz (100Hz), Mini LED, HDR10+, Dolby Vision and Dolby Vision IQ, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 2× USB, CI+, WiFi, Bluetooth, game mode, voice control, Google Assistant, Google TV, VESA 400×200, 24 W speaker(s), Dolby Atmos, F
Buy with code 2026ALZAEXTRA5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. 9,491,-
9,990,-
From 225,- per month
Buy
In stock > 5 pcs
Order Code: TVblau012c
55" Xiaomi S Mini LED 2026 - Television
5 sizes
55" Xiaomi S Mini LED 2026
Television - SMART, 139cm, 4K Ultra HD, 50 / 60Hz (50Hz), Mini LED, HDR10+, local dimming, DVB-T2/S2/C, H.265/HEVC, 3× HDMI, 1× USB, CI+, Bluetooth, Chromecast, game mode, Google Assistant, Apple Airplay 2, Google TV, VESA 300×300, 30 W speaker(s), DTS:X and Dolby Digital, F
New arrival 13,999,-
From 332,- per month
Buy
In stock > 5 pcs
Order Code: XItel37
55" TCL 55Q7D PRO - Television
Free delivery
Alzaboxes and stores
5 sizes
55" TCL 55Q7D PRO
Television - SMART, 139cm, 4K Ultra HD, 100 / 120Hz (100Hz), Direct, HDR10, HDR10+, Dolby Vision, HLG and Dolby Vision IQ, local dimming, DVB-T2/S2/C, H.265/HEVC, 4× HDMI, 1× USB, CI+, WiFi, Bluetooth, DLNA, Chromecast, Miracast, game mode, voice control, Google Assistant, Amazon Alexa, Apple Airplay 2, Google TV, VESA 300×300, 40 W speaker(s), DTS:X, DTS Virtual:X, DTS HD, Dolby Atmos and Dolby Digital Plus, E
22,990,-
From 545,- per month
Buy
In stock > 5 pcs
Order Code: WK691e4
How to Choose a TV (GUIDE) How to Wall Mount a TV
 

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Ultra HD Televisions - additional info

Ultra high definition television in 4K resolution is a new trend that is increasingly taking hold in living rooms. With a resolution of 3840x2160, an Ultra HD TV display contains 4 times as many pixels as a Full HD TV.  4K TV is thus four times the resolution.

Razor-sharp images

Ultra HD resolution means sharp images even with large diagonals. Enjoy brilliant images in great detail even with a giant TV, which at lower resolutions might not be the rule. Watch movies with sharp features and unmatched image quality that will fascinate you. After trying Ultra HD TV, you will not want anything else.

What Ultra HD TV?

You've decided to buy a TV with 4K Ultra HD resolution? Then you only need to choose the right Ultra HD TV to catch the eye. Our rich offer is ready for it. Choose between manufacturers such as Samsung, LG and Panasonic. 4K's worldwide popularity is deserved for its display quality, advanced technology and modern design.
Was this information useful?
This form is used only for evaluating the information in the description above.
If you have any question about our products, services, transport or any other request, please contact our customer support.
What should be improved? Is anything missing here? Is anything wrong? Share it with us.
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Check out products sorted by price starting with the lowest price in the category cheap ultra HD Televisions Find products sorted from the most expensive to the cheapest in the category most expensive ultra HD Televisions Check out products sorted by price starting with the highest price in the category best sellers, best ultra HD Televisions You’ll find products sorted by reviews starting from the highest ranked in ultra HD Televisions reviews
Chcete doručiť tovar na Slovensko? Prezrite si 4K televízory
Für den Versand nach Deutschland, besuchen Sie bitte 4K-Fernseher
Für den Versand nach Österreich, besuchen Sie bitte 4K-Fernseher
Magyarországra rendelnél? Látogasd meg ezt a termékkategóriát 4K TV
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