By PURPLELEC | 06 March 2024 | 0 Comments
The difference between external HDMI capture card and built-in HDMI capture card
As a well-known video capture card nowadays, HDMI capture card is used to capture HDMI video signals. HDMI capture cards are divided into external cards and built-in cards. So what are the differences between external HDMI capture cards and built-in HDMI capture cards?
Built-in HDMI capture card
The so-called built-in HDMI capture card is a capture card that uses the PCI or PCI-E expansion slot on the computer motherboard to capture the HDMI signal output by the corresponding HDMI video signal source. Because it needs to be plugged into a computer motherboard to be used, it can only be used on desktop computers.
External HDMI capture card
Compared with the built-in HDMI capture card that needs to be plugged into the motherboard for use, the external HDMI capture card uses a USB hot-swappable interface to transmit the captured video information, so it has better convenience and mobility. It can be used on any computer with a USB interface, such as a desktop computer or a notebook.
In addition to the essential differences mentioned above, there are also two feedbacks from life, which can better see the difference between external HDMI capture cards and built-in HDMI capture cards.
1. Is the usage environment fixed?
If the use environment is relatively fixed, it is better to choose a PCI-E built-in HDMI capture card, which is more stable.
If the use environment is not fixed and changes frequently, it is more appropriate to choose a USB external HDMI capture card. Because the USB box is highly mobile, I believe you will definitely take your laptop with you when traveling or on business, rather than carrying a desktop computer.
2. Is the computer configuration high?
If your computer configuration is not high and it is a desktop computer, it is recommended to use a PCIE built-in HDMI capture card. It does not have very high requirements on the computer, and the delay is lower than the USB2.0 live broadcast box. For general game live broadcasts There is basically no noticeable delay.
If your computer configuration is relatively high, it is recommended to use a USB external HDMI capture card. The capture quality can be as high as 4K/60Hz, and there is almost no delay. This is also important in the field of live streaming.
In summary, the external HDMI capture card and the built-in HDMI capture card are essentially different in appearance and application because of their different connection methods with the computer.
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