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READ NEXT: What’s the difference between WQHD, QHD, 2K, 4K and UHD? DisplayPort: 4K at 144Hz with audio and video capabilities However, transmission mode support is not necessarily dictated by a device's claimed "DisplayPort version number". For example, older versions of the DisplayPort Marketing Guidelines allowed a device to be labeled as "DisplayPort 1.2" if it supported the MST feature, even if it didn't support the HBR2 transmission mode. [47] :9 Newer versions of the guidelines have removed this clause, and currently (as of the June 2018 revision) there are no guidelines on the usage of DisplayPort version numbers in products. [48] DisplayPort "version numbers" are therefore not a reliable indication of what transmission speeds a device can support. Find sources: "DisplayPort"– news · newspapers · books · scholar · JSTOR ( April 2022) ( Learn how and when to remove this template message) The stipulation that the DP_PWR wire be omitted from standard DisplayPort cables was not present in the DisplayPort 1.0 standard. However, DisplayPort products (and cables) did not begin to appear on the market until 2008, long after version 1.0 had been replaced by version 1.1. The DisplayPort 1.0 standard was never implemented in commercial products. [46] Resolution and refresh frequency limits [ edit ]
DisplayPort ( DP) is a digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA). It is primarily used to connect a video source to a display device such as a computer monitor. It can also carry audio, USB, and other forms of data. [1]
DisplayPort cables are not classified by "version". Although cables are commonly labeled with version numbers, with HBR2 cables advertised as "DisplayPort 1.2 cables" for example, this notation is not permitted by VESA. [42] The use of version numbers with cables can falsely imply that a DisplayPort 1.4 display requires a "DisplayPort 1.4 cable", or that features introduced in version 1.4 such as HDR or DSC will not function with older "DP 1.2 cables". DisplayPort cables are classified only by their bandwidth certification level (RBR, HBR, HBR2, HBR3, etc.), if they have been certified at all.
Optional; 1–8 channels, 16 or 24-bit linear PCM; 32–192 kHz sampling rate; maximum bitrate 36,864 kbit/s (4,608 kB/s) The first rule of buying any cable should be to look for certified cables, and the same holds true for DP. Before you buy a cable, make sure that it has been certified by DisplayPort so that you get the optimal output from it. HDMI cable requirements have changed over time, just like DisplayPort. One of the big advantages is that high quality HDMI cables can be up to 15m (49.2 feet) in length — five times longer than DisplayPort. That may not be important for a display sitting on your desk, but it can definitely matter for home theater use. Originally, HDMI had two categories of cables: category 1 or standard HDMI cables are intended for lower resolutions and/or shorter runs, and category 2 or “High Speed” HDMI cables are capable of 1080p at 60 Hz and 4K at 30 Hz with lengths of up to 15m. Thunderbolt 3 supports a maximum theoretical bandwidth of 40Gbit/s, capable of pushing video streams on two 4K displays at the same time. A single Thunderbolt port can connect up to 6 devices via daisy-chaining or a hub. By using the Type-C connector, it can also leverage the USB Power Delivery feature which can be used to charge a connected device using up to 100 watts of power. RBR: 04 × 1.62 Gbit/s = 06.48 Gbit/s bandwidth (data rate of 5.184 Gbit/s or 648 MB/s with 8b/10b encoding)Previously, only an analog VGA interface was utilized to connect a rugged LCDmonitor to the computer. With the development of new technologies for flat-panel monitors, the capabilities of the VGA connector have become insufficient. To attain the highest image quality, you need to use a digital standard, such as DVI. Manufacturers of devices for home entertainment have created the HDMI standard, which became the digital successor of the analog scan connector. Somewhat later, VESA (Video Electronics Standards Association) designed DisplayPort. As mentioned earlier, modern devices are equipped with various monitor ports: HDMI, DVI, VGA, DisplayPort (DP), USB-C, Thunderbolt, SDI. Let’s consider each of the interfaces. Common, but old. Monitor with VGA port. HBR2 (High Bit Rate 2): 5.40 Gbit/s bandwidth per lane (540 MHz link symbol rate), introduced in DP 1.2 pins for external connectors on desktops, notebooks, graphics cards, monitors, etc. and 30/20 pins for internal connections between graphics engines and built-in flat panels. HDMI does not natively support MST. However, you can use a DisplayPort hub with an HDMI adapter to daisy-chain multiple HDMI monitors through the DisplayPort on your computer.
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