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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). For 8K resolution at 30Hz, you need an Nvidia RTX 2000-series graphics card from the 2060, 2070, or 2080 family. That includes all Super variants and the 2080 Ti. It is also fully supported by Intel's 11th-generation Tiger Lake line of CPUs with Xe graphics, as well as all Intel Evo certified laptops. Go under 'Select a device for sound output' section to see if you see your display monitor as an output 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.
HDMI 2.1 4K 120Hz from USB-C adapter? - Reddit VRR on HDMI 2.1 4K 120Hz from USB-C adapter? - Reddit
Cable Matters 48Gbps USB-C to HDMI Cable (201362-A) – Firmware Update to Fix Compatibility and Performance Issues 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.If you're wondering if HDMI supports 144Hz, then the simple answer is yes. It really depends on a host of other variables including your connected equipment, content, and resolution, though.
USB to HDMI - USB-C Display Adapters | Display Adapter - USB to HDMI - USB-C Display Adapters | Display
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. 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 For customers in Korea, please fill in your Korean Name (not in English) which must correspond to the Personal Custom Code;Whether you can take full advantage of these will very much depend on your hardware and the bandwidth of your system's USB-C port. What do you need to use the USB-C to HDMI 2.1 adapter? 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
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