Zeke Jones / Digital Trends

If you ’ve shopped fora new TV , monitor , laptop computer , or biz console over the last tenner or so , you ’ve probably seen the phrase “ 4 K UHD ” on most web pages , ads , and Cartesian product boxes you ’ve come across . Quite plainly , this have-to doe with to a specific screen resolution — 3840 x 2160 — which isfour times(hence the “ 4 ” ) the amount of pixels you ’d find on a non-4 K display .

At this point in time , 4 K displays have been mainstream for quite a while , to the point that most new televisions use 4 K panelsinstead of 1080p ( or 720p ) unity . But this is merely itch the Earth’s surface . There ’s a lot more to a 4 K TV than just a shipload of pixels though , so let ’s strap on the scuba gear and plunge a short deeper , shall we ? We may even learn a affair or twoabout 8 K TVsas we drown toward the bottom .

Samsung S95D OLED review

Zeke Jones / Digital Trends

What is 4K Ultra HD?

4 K Ultra HD is the name assigned to a screen with a resolution that ’s four time that of a Full HD ( 1080p ) TV . That translate to 8 million pixel being crammed into the same quad in which a Full HD idiot box fits just 2 million — achieved by making each pixel four times little . The result for the average viewer ? A clear icon , more accurate color , and with most new TV sets , High Dynamic Range , orHDR(more on that in a bit ) .

Since each pixel is smaller , and thus each one is assigned a little gash of a bigger painting , it does n’t make a whole stack of gumption to beef up the resolution on pocket-sized screens — the extra pixels have a bigger impact on a heavy filmdom because you’re able to fit more of them in . As such , you ’ll be heavily - pressed to get too many4 K TVswith a screen smaller than 40 inches .

Is there a difference between 4K and UHD?

At the consumer level , no . The two terms are much interchangeable . But talk to professionals in the video production or cinema manufacture and they ’ll manducate your capitulum off about how what we lowly consumers call 4 K is n’t actually 4 cat valium at all . Technically , they ’re good .

In the professional worldly concern , 4 kibibyte is a digital cinema standard that call for a 4096 x 2160 - pixel resolution . That first bit is a horizontal measurement , the latter vertical , and they work out because they conform to a 1.85:1 aspect proportion . count at those telephone number , it establish sentience to apply the full term 4 K , because the horizontal measurement is in the 4,000 neighbourhood and is double the prior 2 K ( 2048 x 1080 ) standard .

Still with us ? serious , because now we ’re going to come back to consumer idiot box land , where the vast majority of us live on . Here , we watch tv set with a 16:9 or 1.78:1 aspect proportion . That ’s not quite as across-the-board as what the pros use , so the pixel firmness we get ends up being 3840 x 2160 — double both the horizontal and vertical measurements of Full HD ( 1920 x 1080 ) . Do that maths and that ’s four times the pixel resolution .

In 2013 , the Consumer Electronics Association — now referred to as the Consumer Technology Association ( CTA ) — decided that , to end confusion and make marketing well-fixed , Ultra HD should be the official name for the new solution criterion . Unfortunately , people have been call it 4 K for so long that the name did n’t really stick , thus maker turned to denounce these boob tube as 4 KiB Ultra HD , or just 4K.

Do I need a 4K Ultra HD TV?

One might as well ask : Do Ineeda Porterhouse steak ? No , of course not ! you’re able to do just fine with a sirloin , ca n’t you ? too , your 1080p HD goggle box will still work age from now because1080p digital programme standardsaren’t going to disappear the manner analog broadcasts did back in 2009 .

In brusk : If you ’re happy with your TV , there is no want to elevate , but if you ’re patronize for a new television , you ’d be foolish not to take theleap to 4 K Ultra HD . It ’s not like the price will be standing in your way of life , either . There is a myriad ofbudget 4 thousand TVson the grocery , with pricing start at around $ 300 for a 50 - column inch mannequin , $ 400 for a 55 - inch , and $ 500 - 600 for a mammoth 65 - inch . Not tough , correct ?

It is also deserving observe , though , that there are somehidden costs of purchase a 4 K TV , in that many streaming services will up - rouse for their 4 K services . It still does n’t negate the benefits of 4 K idiot box , but take this into account .

What brands make the best 4K Ultra HD TVs?

There ’s no shortfall of 4 grand television on the market , with just about every manufacturer churning them out . That ’s not to say they ’re all deserving your hard - bring in Johnny Cash , though . If you have a considerable budget , you ’re secure off sticking to higher - ending models from bigger television receiver brand like LG , Samsung , and Sony , while those with less dinero to burn hoping to get the largest cover for the lowest potential price ought to turn their attention toTCLorHisense , brand name that are producing arresting 4 super C panels that are starting to equal the big players .

In terms ofwhich is the best TV firebrand , that ’s relative to your price point and what you ’re hoping to get out of the television . If it ’s a childlike interface you ’re after , with piles of cyclosis features baked in , you ca n’t go wrong with aTCL Google TV 4 K model . For the best potential visuals , you ’re going to need to go with an LG , Samsung , or Sony — more specifically aQLED or an OLED .

Do all 4K Ultra HD TV’s have HDR?

in high spirits active range(HDR ) in telly let in multiple data format that provide brighter whites and darker blacks , making for increased color loudness and shading and good contrast than standard video display , in the end resulting in more vivid particular . Many hoi polloi ( including us ) say that when it ’s done right , HDR is a more noticeable upgrade than 4 K resolution , and if you ’re looking for a new ground to buy a TV , this is a neat one .

now , it ’s rare to get hold a 4 K TV that does n’t have HDR on board — though it ’s still worth checking to verify the one you ’re look at does , peculiarly if you ’re direct at the lower end of the market . With that in mind , there are a few unlike miscellany of HDR , including Dolby Vision , Hybrid Log - Gamma ( HLG ) , HDR10 , and its more dynamic counterpart , HDR10 + . HDR10 is the most common sort , whileDolby Vision and HDR10+will commonly be found on more premium example , with some brands opt one over the other . HLG may be important someday , but in the U.S. , it ’s less of a factor at nowadays .

Can 4K Ultra HD TVs play Full HD (1080p) content?

Yes , 4 1000 Ultra HD TV can toy Full HD message , but it wo n’t be exhibit in the standard 1920 x 1080 solving we ’ve all come to know and love . Instead , to fill the extra pixels that make up a 4 G Ultra HD screen , the content first has to be upscaled . The same applies to message shoot or rendered in SD resolve .

To be clean-cut , that does n’t have in mind you have to wait for HD shows to morph into a higher resolution before you’re able to start follow . The upscaling takes office in veridical meter as the material is playing . Take line , however , that while most of the boastful - name manufacturers ’ 4 potassium Ultra HD TVs do a solid line with upscaling , some budget brands do not , so we ’d intimate sticking to the aforementioned brands for the best results .

That said , if you ’ve already pulled the initiation on a 4 KB boob tube with less - than - thoroughgoing upscaling , you have some options : you’re able to either outsource it to a mid - to - gamey - close AV receiver with built - in 4 K upscaling or if you ’re trifle a DVD , you’re able to invest in a4 K Ultra HD Blu - ray player(or even an Ultra HD Blu - ray compatiblePlaystation 5orXbox Series X ) as most of them have an upscaling processor of their own under the hood .

Where can I watch 4K Ultra HD content?

If you ’re more of a strong-arm medium type of person ( and enjoy the total performance caliber they offer ) , Ultra HD Blu - ray is still an excellent choice . And while Netflix ’s DVD service has been gone for a instant , some good options have emerge to replace it , includingScarecrowanda few others . Of course , you could still purchase DVD on Amazon and get content from download services that offer 4 1000 resoluteness subject , including iTunes , Google Play , and others .

When it come to live television set , you are n’t going to come up 4 K software program from many cable or artificial satellite company just yet , but companies wish DirecTV and Comcast have started smatter with 4 K depicted object , but it ’s still very limited and mostly relegated to prerecorded or streamed media . Additionally , live television set cyclosis services likeYouTube TVandFuboboth proffer blue-ribbon content , mainly springy sports , broadcast in 4K.

As for over - the - air broadcast television , now thatATSC 3.0is up and lead ( and getting backup from many new TVs ) , we ’ll be able to set about enjoying 4 one thousand HDR broadcasts , without hold to ante up for some kind of streaming or downloads . At this time , you wo n’t find too many line pass around in 4 K , but ATSC 3.0 is see a slow rollout . For now though , you may apply this toolto see which Stations of the Cross near you are form with ATSC 3.0 tech .

What about 4K gaming?

Game comfort like the PlayStation 5 and Xbox Series X are also able of outputting a 4 kB signal to your TV . This means that as long as the game you ’re playing was engineered to run in Ultra HD , you ’ll be capable to enjoy some of the best visuals the play world has to offer . Not to mention that the PS5 and Series X also double as Ultra HD Blu - ray players !

While many folks still prefer physical media , you ’ll also be able-bodied to teem a lot of game in 4 K too . Both the PlayStation internet andXbox ’s Game Pass platformhost a number of titles in Ultra HD ; and call up that even if you ’re wreak a slightly former game that maxes out at 1080p , newer 4 potassium TVs will still upscale the motion picture , on top of enhancing your overall gameplay with characteristic like VRR ( Variable Refresh Rate ) and ALLM ( Automatic Low Latency Mode ) .

Should I buy a 4K TV or wait for 8K?

While 4 K is sure enough the dominant television firmness of purpose for this day and age,8 K TVshave been around for a few years , too . With a resolution of 7680 x 4320 ( or 4320p ) , 8 kibibyte is four meter that of 4 K Ultra HD and 16 sentence that of Full HD . That may seem all too appealing , but there are a couple of reasons you ’re pop off to require to steer clear of them for the time being — with the first being that 8 thousand telecasting areincrediblyexpensive .

Even if your pockets are deep , we still give notice against bagging one mighty now . 4 K Ultra HD has become the diligence standard , and there ’s a lot of piece of work to be done before 8 KiB replaces it — even if it seems like ontogeny has come in leaps and bounds . tv set technology is potential to get on greatly between now and then , which could ultimately render current exemplar obsolete .

To make matters worse , the manufacture is already beginning to talk about 16 K , which you should n’t even be considering if you ’re not a member of the 1 % . Even then , there ’s no real 16 K content right now , save for some pseudoscience that allows manufacturers like Sony to show off its fidelity as best it can . The same rings true for 8 K , so you ’d only be bleed your wallet for the privilege of technical clout .

Your best bet is to stream your budget into a greatQLED or OLED , or perhaps aQD - OLEDormini - LEDset . It will serve you better in the long run and you wo n’t feed the risk of owning an 8 potassium television that could become archaic before 8 K even reach the mainstream . flop now , 4 one thousand Ultra HD is the only resolution worthy of your investing , and that wo n’t be changing any clock time before long .