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February 24, 2021

DisplayPort 2.0 标准应用再次推迟;DP究竟怎么了?

DisplayPort 2.0 视频传输标准于 2019 年发布初稿(DP放大招,DP2.0发布并兼容Thunderbolt3),此前计划于 2020 年年末发布首款产品,但目前还没有一款显示设备搭载 DP 2.0 接口,相比竞争对手的HDMI 2.1接口协议,其从去年就已经开始逐渐普及,高达48Gbps的带宽已经成为了次时代主机和高端游戏电视的标配,(GRL发布HDMI2.1通过认证企业名册),目前HDMI2.1配套的线缆在亚马逊的美国站单一品牌Zeskit已经做到月50K以上的销量,但是DisplayPort 2.0接口协议官宣同样是2019年,至今没有出现相关的产品,最新来自VESA官方的消息,DisplayPort 2.0  标准应用再次推迟,DP究竟怎么了?

根据视频电子标准协会(VESA)的消息,该计划延迟的主要原因是由于新冠病毒的流行,阻止了该协会工程师和开发人员的讨论和实验,今年VESA的PlugTests活动停办了,耽误了DP2.0的调试进度,2021年的PlugTests活动原计划2021年春季在中国台湾举办;PlugTests是多家厂商测试系统和互操作性的关键事件;根据协会消息,目前最快有望于 2021 年末才能看到首款搭载 DP2.0 接口的产品;事实上目前已有搭载 DP 2.0 接口的显示器还只是在研发中;包括配套的新系统芯片;DisplayPort 2.0 标准同样使用 Type-C 接口,并计划与 USB 4.0 协议相兼容。

DisplayPort 2.0 标准的理论带宽可以达到 80 Gbps,实际数据传输带宽可达 77.4Gbps。这几乎是目前 DP 1.4 协议的三倍。该规范最大支持单个 16K(15360×8460)分辨率的显示器,运行在 30Hz、30 bpp、4:4:4 HDR 模式,同时也支持两个 4K 144Hz 显示器的连接,(视频版本:DP2.0 标准发布:带宽80Gbps 支持8K@60Hz HDR)

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