But keep in mind this calculator is limited to video signal only and does not include audio signal or any additional data you’d want to send through the cable. You can then compare the required bandwidth with the bandwidth of the port you’re willing to use. The best way to have an idea of what’s possible is to fill in your desired resolution and bit-depth in this calculator. Do you need a single monitor? Dual monitors? Do you require HDR? is 30Hz okay? Or do you need 120 or even 144Hz? Which resolutions and refresh rates are supported by USB-C, Thunderbolt, Displayport and/or HDMI? ****** “ HDMI Power Cables” will work with source devices that support it, but when connected to a source device without HDMI power delivery, the cable will require an external power source, probably via USB-C or micro-USB. ***** Displayport 2.0 UHBR cables will be labeled as DP40 and DP80, supporting either 40 or 80gbps. Luckily, the HDMI 2.1a standard can be implemented through a firmware upgrade of your source/device manufacturer, so maybe there’s no need to buy new gear… yet. This should also show a more correct image when your screen shows both HDR and SDR content at the same time. **** SBTM is Source Based Tone Mapping and will automatically adjust the HDR-source to match the HDR capabilities of your screen. Today it’s perfectly fine for a home-office monitor to power a laptop through USB–C So the EPR cable will eventually allow you to charge much more powerful devices like workstations. *** USB Type-C 2.1 will require a ‘ Extended Power Range’ (EPR) cable in stead of the ‘Standard Power Range’ (SPR)-cable in order to reach 250watts power delivery.
So I would not recommend using a DisplayLink monitor/system, unless there is absolutely no alternative. You’ll also need to install specific drivers first, and these aren’t exactly known for their stability. *Optional with ‘ HDMI-Alt‘ or MHL (or software-based with Displaylink: ** This is not entirely recommended, as the image quality can be compressed and be experienced as laggy) DisplayLink also has a significant “Virtual display” overhead on your CPU and lacks certain acceleration.
Update: Yes – introduced in HDMI 2.1a******Īnd 80 gbps with USB 4: v2.0 (even 120gbps(!) if data goes only one way) Port comparison table: USB versus HDMI versus Displayport and Thunderbolt Now, before I present my ultimate comparison table, there’s a small disclaimer: I am not 100% sure if all the information is correct, as some official websites contradict each-other or some information could not be found. Even though EVERYONE struggles with the immense complexity of distinguishing these ‘standards’ properly, I couldn’t find any site with a proper comparison table.
Comparing ports like USB, Thunderbolt, Displayport, HDMI is challenging… Each port has its advantages, limitations and certain (in)compatibilities.
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