VESA Announces DisplayPort 2.0 Standard: Bandwidth For 8K Monitors & Beyond
While display interface standards are slow to move, at the same time their movement is inexorable: monitor resolutions continue to increase, as do refresh rates and color depths, requiring more and more bandwidth to carry signals for the next generation of monitors. Keeping pace with the demand for bandwidth, the DisplayPort standard, the cornerstone of PC display standards, has now been through several revisions since it was first launched over a decade ago. And now this morning the standard is taking its biggest leap yet with the release of the DisplayPort 2.0 specification. Set to offer nearly triple the available bandwidth of DisplayPort 1.4, the new revision of DisplayPort is almost moving a number of previously optional features into the core standard, creating what’s in many ways a new baseline for the interface.
The big news here, of course, is raw bandwidth. The current versions of DisplayPort – 1.3 & 1.4 – offer up to 32.4 Gbps of bandwidth – or 25.9 Gbps after overhead – which is enough for a standard 16.7 million color (24-bit) 4K monitor at up to 120Hz, or up to 98Hz for 1 billion+ color (30-bit) monitors. This is a lot of bandwidth, but it still isn’t enough for the coming generation of monitors, including the likes of Apple’s new 6K Pro Display XDR monitor, and of course, 8K monitors. As a result, the need for more display interface bandwidth continues to grow, with these next-generation monitors set to be the tipping point. And all of this is something that the rival HDMI Forum has already prepared for with their own HDMI 2.1 standard.
|DisplayPort Signaling Standards|
|Target Monitor Resolutions|
|DP 1.0/1.1 (HBR1)||10.8 Gbps||8.64 Gbps||1440p@60Hz|
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