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The 6 Best 4k TVs For PC Monitors - Fall 2018
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Best Monitor TVs
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PC monitors (see our monitor reviews) and TVs are close relatives. Usually, they differ in design and image processing capabilities and connectivity. TVs usually have more advanced image processing capabilities than monitors and come equipped with TV tuners and integrated speakers whereas monitors usually have DisplayPort connections that TVs still lack.

Most TVs offer a 'PC Mode' option, which removes the extra image processing and ensures the lowest possible input lag. The most important things to take into consideration when choosing a TV for PC monitor usage are: the TV's supported resolutions, the ability to display chroma 4:4:4, and the viewing angles that can cause uniformity issues when sitting close to the screen. 

We've tested 78 TVs and here are our recommendations for the best ones to use as a PC monitor.

  1. Best TV to use as a PC Monitor (40"- 43"): Sony KD43X720E

    Usage Ratings - Version 1.2

    Test Benches:

    • 1.2: Winter 2018
    • 1.1: Summer 2017
    • 1.0: Winter 2015
    • 0.9: Winter 2014
    • 0.8: Winter 2013
    8.2
    PC Monitor
    What it is: PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
    Score components:
    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    IPS
    Resolution : 4k

    The best TV for use as a PC monitor in the 40-43 inch size is the Sony KD43X720E. The Sony X720E supports most common resolutions and 4:4:4 chroma. It has an IPS panel with good viewing angles that will not cause any uniformity issues if you sit close to the TV, unlike the similarly priced Samsung UN40NU7100. It has an excellent low input lag that makes it feel very responsive and a fast pixel response time.

    However, this TV is not good for a darker room since the IPS panel prevents it from displaying deep blacks and the image looks washed out.

    Overall, this 43 inch Sony X720E  will keep you very happy for use as a PC monitor.  

    See our review

  2. Best TV to use as a PC Monitor (Large): Samsung QN55Q8FN

    Usage Ratings - Version 1.2

    Test Benches:

    • 1.2: Winter 2018
    • 1.1: Summer 2017
    • 1.0: Winter 2015
    • 0.9: Winter 2014
    • 0.8: Winter 2013
    8.3
    PC Monitor
    What it is: PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
    Score components:
    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    VA
    Resolution : 4k

    If you are looking for a larger TV than the Sony KD43X720E, go with the Samsung QN55Q8FN. You will observe some uniformity issues at the edges when you sit close due to the viewing angle issues. 

    The Samsung Q8FN is a great TV with low input lag that reacts instantly to your actions. It has a very fast response time and thus you will only see a small trail when you move the mouse. It can display chroma 4:4:4 properly so the text is crisp and supports FreeSync to please gamers. It is suitable for dark rooms, as it can display very deep blacks, and for bright rooms, due to its excellent brightness. It has a wide color gamut and performs very well in HDR.

    Overall, the Samsung QN55Q8FN is a great large TV for use as a PC monitor.

    See our review

  3. Better but hard to find alternative: Vizio PQ65-F1

    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    VA
    Resolution : 4k

    If you are looking for the best TV to use as PC Monitor, get the Vizio P Series Quantum. It is a better recommendation than the Samsung Q8FN but it is very hard to find in stock online. The PQ65-F1 does not have the FreeSync Variable Refresh Rate option found on the Q8FN, but it is an excellent TV for use as a PC monitor with great picture quality and deep blacks for dark rooms. It can get very bright so you can use it in a bright room without any issues. When used as a PC monitor, it reacts immediately to your actions due to the low input lag and the very fast response time leaves almost no trail in fast motion. Finally, it accepts most common input resolutions and can display clear and crisp text as it supports 4:4:4 chroma.

    See our review

  4. Wider viewing angles Alternative: LG 55SK9000

    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    IPS
    Resolution : 4k

    If you find the viewing angles of the Samsung Q8FN inadequate but still want a large screen, then get the LG SK9000. You will not have the deep blacks of the Samsung in dark rooms. The LG has an IPS panel and is best suited for brighter environments. At the same time, the LG has better viewing angles and you can watch from the side without having issues. The LG SK9000 is a TV with good picture quality and very low input lag that makes it very responsive. It has a fast pixel response time so there is not much blur trailing the mouse movements on the screen.

    See our review

  5. Best Budget TV to use as a PC Monitor (Large): TCL 55R617

    Usage Ratings - Version 1.2

    Test Benches:

    • 1.2: Winter 2018
    • 1.1: Summer 2017
    • 1.0: Winter 2015
    • 0.9: Winter 2014
    • 0.8: Winter 2013
    8.1
    PC Monitor
    What it is: PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
    Score components:
    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    VA
    Resolution : 4k

    If you find the Samsung Q8FN expensive, the best budget TV to use as PC monitor is the TCL 55R617. The 6 Series does not have the great local dimming, the excellent reflection handling or the good gray uniformity found on the Q8FN.

    On the upside, the TCL R617 is a very good TV with deep blacks that result in a very good picture quality. When used as a PC monitor, it has impressive performance. It accepts most common resolutions, including 4:4:4 chroma so text is clear and crisp. It has very low input lag and is very responsive. The TV has excellent brightness and thus can be placed in a bright room.

    Overall, the TCL 6 Series is a very good TV for many different usages and it is a good choice for someone who wants to use it as a PC monitor.

    See our review

  6. Cheaper Alternative: TCL 55S405

    Type : LED
    Sub-Type
    What it is: Type of display technology used by the TV.
    When it matters: Different technologies have different performance and are suited to different uses
    Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
    :
    VA
    Resolution : 4k

    If you find the TCL R617 expensive, get the TCL S405 (if you can't find it get the similar TCL S517). It is a worse TV than the TCL 6 Series; it does not get as bright nor is it equipped with more advanced features. It is, however, a very good TV for use as a PC monitor with excellent low input lag that feels very responsive. It will accept most common resolutions and text is clear and crisp as it can display properly chroma 4:4:4.

    See our review

Notable Mentions

  • Vizio P Series 2018. A very good TV that performs very well, but the Vizio P Series Quantum is better. See our review
  • Sony X900F. Versatile TV available in a variety of sizes, similar price range to the Vizio PQ65-F1 but with a higher input lag. See our review
  • Samsung Q9FN. An excellent TV, but more expensive than the Q8FN. Only available in 65" and 75" size. See our review
  • LG C8. Exceptional TV, but runs the risk of temporary image retention or permanent burn-in when used as PC monitor. See our review
  • Sony X900E. Decent choice for a PC monitor, but hard to find and the X720E does even more for less money. See our review

What is Chroma 4:4:4?

Every pixel in a screen is sent a brightness value, which tells it how bright or dark it should be. There is also a color value that is sent, which tells the pixel which color to be.

A common method of compressing a file is to make groups of pixels share color, or chroma, data. This reduces the size of a file significantly, and with most video, the difference in quality is minimal.

This type of compression, though, doesn’t look great on a computer monitor. In particular, the lack of specificity that you get by making pixels share chroma values leads to blurry text. That’s why, especially for productivity purposes, it’s desirable to have a TV capable of chroma 4:4:4, which is uncompressed.

Samsung UN55JU7100 4k @ 60Hz under PC mode
Chroma 4:4:4
Samsung UN55JU7100 4k @ 30Hz outside PC mode
Chroma 4:2:2
Samsung UN55JU7100 4k @ 60Hz outside PC mode
Chroma 4:2:0

Above, you can see images illustrating three levels of compression. You can see that from 4:4:4 (uncompressed) to 4:2:2 (compressed a bit), there is a bit of a loss of specificity in the lower text - it's not quite as sharp as with 4:4:4. It’s an even more noticeable drop in quality when you’re looking at 4:2:0 (the typical level of compression). Again, this is only really important for text. It’s very hard to spot this compression with normal footage.

All Reviews

Our recommendations above are what we think are currently the best TVs to use as a PC monitor for most people in each price range. We factor in the price (a cheaper TV wins over a pricier one if the difference isn't worth it), feedback from our visitors and availability (no TVs that are difficult to find or almost out of stock everywhere).

If you would like to do the work of choosing yourself, here is the list of all our reviews of TVs. Be careful not to get too caught up in the details. While no TV is perfect, most TVs are great enough to please almost everyone, and the differences are often not noticeable unless you really look for them. 

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