4K or UHD

HWM (Singapore) - - Feature -

You may no­tice that the terms “4K” and “Ul­traHD” (or UHD) are used in­ter­change­ably. Well, that’s not en­tirely ac­cu­rate as Ul­tra HD is about dou­ble the pix­els of HD both in height and width, and runs at a 16:9 ra­tio for tele­vi­sion screens. This trans­lates to a dis­play res­o­lu­tion of 3,840 x 2,160, com­pared to the 4,096 x 2,160 res­o­lu­tion that 4K cin­ema screens run at. While it’s ob­vi­ous that 3840 does not quite equate to 4000, many tele­vi­sion man­u­fac­tur­ers have adopted the “4K” moniker over UHD, so it ap­pears the con­fu­sion is here to stay.

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