The difference in the way of working?
First of all,
HDMI CABLE and
Dp Cable work in a very different way. HDMI cable uses the TMDS transmission method, the graphics card output image signal will be converted by the TMDS chip, and then transmitted to the computer display.
DP cables, on the other hand, directly pack the image signals generated by the graphics card into data packets and transmit them directly to the monitor. In this way, the DP cable is much more expandable and can also be used for more new functions, such as in combination with the Thunderbolt interface.
Differences in R&D manufacturers?
HDMI cables are developed by TV manufacturers such as Sony, Panasonic, Toshiba, etc., while DP cables are developed by computer manufacturers such as Intel, NVIDIA, AMD, Lenovo, Dell, and others. This is why HDMI cables are more common in TVs, while DP cables are popular in PCs and high-end monitors.
Difference in Technical Support?
In terms of technical support, HDMI 2.0 supports a maximum transmission rate of 18Gbps, while DP version 1.2 supports 21.6Gbps, which clearly surpasses HDMI 2.0. Even more impressive is the latest DP version 1.4, with a bandwidth of up to 32.4Gbps! And it also incorporates the DSC display compression streaming technology, which supports 8K resolution, and is backward-compatible with 2K and 4K. In addition, the There is also technical support for HDR packets, forward error correction, 32-bit audio channel and 165Hz high refresh rate. It can be said that DP version 1.4 covers almost the limit of what users can use.
To summarize??
So, if you just want to connect to your TV, choosing an HDMI cable is enough; but if you want to connect to a high-end computer and pursue a one-step effect, then a DP cable is definitely the right choice for you!
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