Which connection to choose.
Displayport to hdmi cable vs adapter.
Displayport signals operate at 3 3v even when using tmds in compatibility mode.
The symbol is a d with a p inside of it with two signs to the left one on top of the other.
Supports up to 4k at 60hz some 1 2a ports may also support amd s freesync.
Supports up to 8k at 60hz.
This makes the passive dp to hdmi adapter even more mysterious making the translation.
If you re looking to connect a computer to a tv or monitor your choices are hdmi displayport dvi and vga.
If you re unfamiliar with the term the refresh rate is the number of times the display changes the image onscreen.
It uses another signal type technology and even a lower cable voltage 3 3 v instead of the 5 v of hdmi dvi.
Usb c connectors also output video over the displayport standard which makes it easy to output video from a laptop or android phone with an adapter to the typical dp plug or hdmi.
Passive adapters are less expensive since they do not need to include additional chips.
The tippy technology that allows the use of a simple passive adapter is called displayport dual mode or dp.
A quick way to check whether you can use a passive adapter is to see if the displayport or mini displayport source has the dp symbol above it.
Hdmi tmds signals operate at 5v.
When deciding between a displayport vs hdmi cable for 4k screens the main thing to pay attention to is the monitor refresh rate.
These adapters are powered by pin 20 in the displayport receptacle and can only be used right at the source device if they are used with a.