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HDMI 2.1 spec supports 4K, 8K, and even 10K all at 120Hz

4K 120Hz, 8K 120Hz and 10K 120Hz - all included in HDMI 2.1 specification.

@anthony256
Anthony Garreffa
Published Fri, Jan 6 2017 11:20 AM CST   |   Updated Sat, Aug 8 2020 10:29 AM CDT

CES 2017 - You guys should all know how much of a resolution enthusiast I am, so the news of the HDMI 2.1 specification has me beyond excited.

HDMI 2.1 spec supports 4K, 8K, and even 10K all at 120Hz | TweakTown.com

HDMI 2.1 will support a wide range of resolutions and refresh rates, including 4K 120Hz, 8K 120Hz, and even 10K. Yes, 10K. HDMI 2.1 also includes something called Game Mode VRR, which "features variable refresh rate, which enables a 3D graphics processor to display the image at the moment it is rendered for more fluid and better detailed gameplay, and for reducing or eliminating lag, stutter, and frame tearing".

The 'Game Mode VRR' is an interesting addition, which can be explained as a wide-reaching version of G-Sync and FreeSync. The HDMI Forum says that it'll work on both PCs and consoles, so we definitely need to try that out as soon as we can.

You'll need the new 48G cable for the higher resolutions, as well as a new HDMI 2.1-based TV or display to enjoy things like 8K or 10K at 120Hz. The new 48G cable increases the bandwidth available considerably from the current 18Gbps, which is an obvious push because 8K/10K at 120Hz is really quite insane.

But still, freakin' 8K and 10K at 120Hz?! Sign me up.

Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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