No, you cannot run 240 hz with hdmi 2.0. EDIT: I am mistaken. The monitor that OP provided claims that it can support 240hz at 1080p resolution with HDMI 2.0. OP just needs to verify that the GPU supports HDMI 2.0 which I am sure it does. No where within your source is 240Hz at 1080p discarded as being impossible.
As HDMI has evolved, discerning the capabilities of versions like HDMI 2.0 and HDMI 2.1 and their relationship with HDR becomes essential. HDMI standards have undergone significant transformations since their inception, bringing about newer functionalities and better support for evolving technologies such as 4K and 8K resolutions. And seemingly none of the lower cost mini pc vendors has done this. I say this, because beelink for example is also missing the Windows 3D mode setting, and the ak1plus box does not even support HDMI 2.0 18 Gbps solutions, but only the 10Gbps resolution of 3180x2160@60Hz - but then of course without HDR. Aka: all the details of video output
HDMI 2.1 has no problem natively supporting 4K@144 with full 4:4:4 color space. You also get 'Quick Frame Transport', 'Quick Media Switching', and if you have HDMI2.1a you also get extra goodies in the form of dynamic HDR support. EDIT: Anything with HDMI2.1 will likely have DP1.4 as well.
Additionally, the HDMI cable used for the connection must also be HDMI 2.1 compliant to ensure the necessary bandwidth and support for higher refresh rates. Please ensure that all components, including the source device, display device, and cable, are compatible with HDMI 2.1 and its increased bandwidth capabilities to achieve 4K resolution at Not all TVs support ARC despite coming out after HDMI 1.4 was launched as a standard, but nearly all will. reviewing scores of sets and writing about everything from 8K to HDR to HDMI 2.1. He Further, for 1440p monitors that don't support 4K input, there's just no way to get HDR at all. Further again, on HDMI 2.0 TVs/monitors, using 'Enable 4K' will cap the framerate to 60hz when a game decides to use it. So some games will output 1440p120 while others will output 4K60 HDR. You don't get much of a say in which do which. Not ideal.
Dynamic HDR technology in HDMI 2.1 lets color settings be altered from scene to scene or even frame-by-frame to let content creators get the most vibrancy possible. We support HDMI 2.1 (data
In addition to the above-mentioned 8K resolution at 60 Hz with HDR support, DP 2.0 across the native DP connector or through USB-C as DisplayPort Alt Mode enables a variety of high-performance configurations: Single display resolutions One 16K (15360×8460) display @60Hz and 30 bpp 4:4:4 HDR (with DSC)
For example, some TVs only support HDR on HDMI input 2 or HDMI input 3. Check your TV user guide to identify which inputs support 4K and HDR. In addition to using the correct HDMI input, you may need to enable HDR10, HDR10+, or Dolby Vision in the video or HDMI settings on your TV.
Yes, HDMI 2.0 can support up to 240 Hz in 1080p resolution. It also supports 144 Hz in 1440p resolution & 60 Hz in 4K resolution. But if you need a more refresh rate in 4K, you will have to use HDMI 2.1 cables that can support up to 120 Hz in 4K & 60 Hz when using 8K resolution.
On the HDMI side, 10bpc requires 4:2:2 or 4:2:0 chroma sub sampling. On the DisplayPort side, with only two lanes, 10bpc requires DSC, or HBR2 4:2:0 (< 576MHz), or HBR3 4:2:2. But you said refresh rate 120 which means you are probably using a lower resolution such as 1440p or 1080p. 1440p120 = 483 - 497MHz.

I'm thinking that VEGA will be able to power 4K@60hz and following the new LG OLED C7 pricing news it would be an ideal pair, if the HDMI 2.0b doesn't fail to deliver. Archived post. New comments cannot be posted and votes cannot be cast. It support HDR 10-bit for 4K@50/60 for up to 4:2:2 YCbCr subsampling. It supports 8-bit at 4:4:4, but HDR

Being HDMI 2.1 certified, the Maya cable will work like a charm for most modern gaming consoles like the PS5, while being backward compatible with older devices. It supports 48Gbps bandwidth, which enables 4K output at 120Hz and 8K at 60Hz. Dynamic HDR support, Dolby Vision, Dolby Atmos, and DTS:X compatibility are all included, and its unique
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    • does hdmi 2.0 support hdr