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Short of getting a Thunderbolt eGPU with HDMI 2.1 built-in (breathtakingly expensive amid the chip shortage / crypto mining), is anybody aware of any way of driving a TV such as this at 4K 120Hz with VRR from a Thunderbolt 4 laptop? I realise that the ideal solution is to run an optical Thunderbolt 3 cable over to the TV and plant an external Radeon RX 6900 XT under the TV, but I do not wish to upgrade my DP 1.2 eGPUs at this present time. Yes. The Cable Matters USB-C to HDMI Adapter Cable supports up to 4K@144hz. This requires a USB-C source equipped with DP 1.4 via DP Alt Mode and DSC, along with an HDMI 2.1 monitor. A refresh rate of 144hz is also supported on lower resolutions such as 2560x1440 and 1920x1080. For Apple users, recent-generation MacBooks using the same Intel CPUs, or the new Apple M1 processor developed with ARM, can support a maximum resolution and refresh rate of 4K at 60Hz without HDR when using the adapter. The best HDMI 2.1 cables At the high end of cinema and computer graphics, the 8K resolution could be the next great leap. Its demands are equally challenged by another ideal, though: 4K resolution at up to 120Hz. Both offer a gorgeous viewing and/or playing experience. How are USB-C to HDMI 2.1 adapters possible if HDMI 2.1 has larger bandwidth than anything USB-C can provide at the moment?
USB to HDMI - USB-C Display Adapters | Display Adapter - USB to HDMI - USB-C Display Adapters | Display
Once you confirm that your USB-C port supports video, then you can use the Cable Matters USB-C to HDMI 2.1 Adapter Cable to connect to your TV’s HDMI port. Simply connect the male USB-C connector to your host, and then use an HDMI cable to connect the female HDMI port to your TV. DisplayPort 1.4a also supports dynamic metadata for HDR content, which means Dolby Vision and HDR10+ support for wider brightness and color gamut. Your monitor's capabilities will be the limiting factor here, though, not DisplayPort.For gamers, HDMI 2.0 doesn't support the FreeSync standard. HDR content is limited to static metadata (the HDR 10 standard) compared to 2.1, which supports dynamic metadata (including HDR10+ and Dolby Vision). These older HDMI 2.0 4K monitors will save you some money, but you'll also lose out on some features. That said, you won't be able to play AAA games at 8K resolution with any of these GPU solutions, as they are simply not powerful enough. Older games and indie titles should be playable at 8K if they support it, however. I only wish to play TF2 with high refresh rate and VRR, meaning that a laptop can easily run this at 4K 120Hz without the added acceleration of eGPUs. The Dell XPS 17 9710 with RTX 3060M will be more powerful than my actual eGPUs, which are really showing their age (I have a couple of compact AMD Radeon R9 Nano eGPUs). Premium aluminium alloy casing for greater durability and better heat dissipation during full loading. For 4K resolution at up to 120Hz, the same CPUs and graphics cards apply, although you can also make use of PCs and laptops that use Intel 10th-generation Ice Lake CPUs with Intel UHD graphics.
HDMI, DisplayPort, or USB-C for a 4K Monitor? Should You Use HDMI, DisplayPort, or USB-C for a 4K Monitor?
On a 2019 16-inch MacBook Pro, two Thunderbolt cables can drive four daisy-chained 4K displays or two 5Ks. Apple has been a strong proponent of the technology since its first iteration, which is why Thunderbolt may be the ideal choice for Mac owners. USB-C connector allows you to connect with a computer or a tablet which equipped Thunderbolt 3 port or USB-C port that supports DisplayPort Alt Mode (DP Alt Mode). 8K output requires the upstream hardware to support (e.g. Graphics Card) as well as USB-C Alt Mode DP 1.4 specification. The USB-C to HDMI 2.1 adapter has full support for 8K resolution at 30Hz using RGB 4:4:4 chroma subsampling for a flawless picture without any loss in quality. It also has full support for 4K at up to 120Hz using RGB 4:4:4 and HDR 10 – again, without any loss in quality. USB-C Alt Mode display output should also provide support for USB Power Delivery (USB-PD). If your laptop supports USB-PD (and many do), you can charge your laptop and output to a monitor with a single cable.This means all the technical aspects of USB-C DisplayPort over Alt Mode mirror those of regular DisplayPort 1.4. With display stream compression, it's theoretically possible to get an 8K signal at 60 frames with 10-bit color, or an uncompressed 4K 8-bit signal at 120Hz. Go under 'Select a device for sound output' section to see if you see your display monitor as an output USB-C ultimately depends on whether your laptop supports USB-C Alt Mode with DisplayPort, and whether the monitor delivers enough power to charge your laptop. If your laptop has both of those capabilities, USB-C is a convenient choice. To utilize HDMI 2.1 natively, you'll need one of the newest generations of gaming consoles or graphics cards. It doesn't have to be that way, though. The USB-C to HDMI 2.1 adapter can connect any device from the Nvidia 2000-series (using its VirtualLink USB-C connector) to an 8K TV, or one that supports 4K at 120Hz, like the LG Signature ZX, or the Samsung Q90T. USB-C to HDMI 2.1 adapter resolutions and features
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