The refresh rate of DP is higher than that of HDMI, but DP is more expensive, there is less support for DP ports, and HDMI cable is more popular. The difference is as follows:
1, Penetration rate: most of the home computer, TV, etc., support HDMI, but support DP device interface is much less.
2. Price: models with HDMI port support are more expensive than those without; Models that support DP ports will be more expensive to support only HDMI ports.
3. Application scenarios: the application scenarios of DP are broader. For example, signals of some display screens must be transmitted through DP.And bandwidth is different, HDMI 1.3 interface can support about 10.2Gbps bandwidth signal transmission, and DP interface can transmit 10.8Gbps bandwidth signal;So for higher resolution or higher refresh rates, HDMI won't work.
Based on the situation you face, you can check both of VCOM DisplayPort Cable and HDMI Cable.
VCOM CG526 HDMI 1.4V AM/AM
http://vcom.hk/Product/HDMI_Cable/HDMI_%D0%A1ABLE-CG526?id=31
Support 1920*1080@60Hz（Support 3D@24Hz）3840*2160@30Hz 4096*2160@24Hz, 24K Gold plated Connector, Support Ethernet, Plus Nylon Braid, Black cable with black hood
VCOM CG631 DisplayPort M to M
http://vcom.hk/Product/DisplayPort_Cable/DISPLAY_PORT-CG631?id=47
Display Port Cable M/M, Gold plated ,1080P@60Hz/2160P@24Hz White or Black Color
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