请问dp1.2能上170hz吗

greenbean537-avatar

greenbean537

2022-01-03T07:23:39+00:00

刚买了个优派的vx2780,小白不太懂数据线,但我看dp1.2协议标的是2k 165hz,这屏幕只给了单个dp1.2的接口是怎么做到170hz的,显示器内部插帧吗[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]
greenbean537-avatar

greenbean537

破案了,淘宝官方写的是165hz,狗东宣传从头到尾标的170hz[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]还能有这种操作我是看不懂的
Nyxos-avatar

Nyxos

带宽上,dp1.2跑2k 170 8位是够的
Creag-avatar

Creag

最佳分辨率: 2560 x 1440 @144Hz (HDMI)
2560 x 1440 @165Hz&170Hz(2021年10月之后生产的DP信号下为170Hz)
FayrTheCat-avatar

FayrTheCat

能。。就是只能8bit
GoobeyGoobs-avatar

GoobeyGoobs

2K@170 8bitRGB带宽需求为2560×1440×30×170=18,800,640,000bps 比DP1.2的21.6Gbps还低不少
BreadCult-avatar

BreadCult

[quote][pid=580513136,30221015,1]Reply[/pid] Post by [uid=1698382]死寂天空[/uid] (2022-01-10 17:45):

2K@170 8bitRGB带宽需求为2560×1440×30×170=18,800,640,000bps 比DP1.2的21.6Gbps还低不少[/quote]*30是因为30的刷新率吗?
Matt🧛💋🔥-avatar

Matt🧛💋🔥

[quote][pid=580514086,30221015,1]Reply[/pid] Post by [uid=345184]onlightfyq[/uid] (2022-01-10 17:49):

*30是因为30的刷新率吗?[/quote]色彩深度,应该是32
BreadCult-avatar

BreadCult

明白,谢谢[s:ac:吻]
GoobeyGoobs-avatar

GoobeyGoobs

Reply to [pid=580517698,30221015,1]Reply[/pid] Post by [uid=13837647]夜色水痕[/uid] (2022-01-10 18:02)
8bitRGB每像素是24位 DP1.2是8b/10b编码 还要除以0.8才是实际码率 所以要乘以30
Crimsooon-avatar

Crimsooon

8bit可以,10bit只能开到120HZ
Angel of Mercy-avatar

Angel of Mercy

165虚标170岂不是可以赔三?
greenbean537-avatar

greenbean537

学到了,感谢老哥们[img]https://img.nga.178.com/attachments/mon_201209/14/-47218_5052bc4cc6331.png[/img]
greenbean537-avatar

greenbean537

[quote][pid=580529209,30221015,1]Reply[/pid] Post by [uid=876417]kongqueji[/uid] (2022-01-10 18:48):
165虚标170岂不是可以赔三?[/quote]我又仔细看了下,应该是淘宝的型号标注有问题,狗东这款淘宝根本找不到对应的,据说是新款