英伟达GTX 10系和16系显卡光追驱动发布 提醒你该升级显卡了

NVIDIA正式兑现了上月在GDC大会上许下的承诺,发布GeForce Game Ready 425.31 WHQL正式版驱动,为Pascal和Turing家族的GTX显卡解锁对DXR光线追踪的支持。

具体来说支持的显卡包括:GeForce GTX 1660 Ti、GeForce GTX 1660、NVIDIA TITAN XP (2017)、NVIDIA TITAN X (2016)、GeForce GTX 1080 Ti、GeForce GTX 1080、GeForce GTX 1070 Ti、GeForce GTX 1070、GeForce GTX 1060 6GB和对应的笔记本产品。

与此同时,本次驱动还对育碧即将公测(4月12日)和发售(4月16日)的大作《Anno 1800(纪元1800)》做了优化。

性能方面,NVIDIA公布了基于i9-7900X、16GB内存、Win10 x64和1440P分辨率下三款采用不同光追技术要素的游戏表现——

《古墓丽影:暗影》(光追要素:阴影)

GTX 1080 Ti的平均帧数可以达到34FPS,GTX 1660/1660 Ti均优于GTX 1070。可以看出图灵架构果然在执行效率上还是高很多的。

《战地5》(光追要素:反射)

GTX 1080 Ti的平均帧数可以达到30FPS,GTX 1660/1660 Ti依然优于GTX 1070。

当然,也不一定非要开2K分辨率和最高光追效果。想要提高帧数可以降低分辨率到1080P和降低DXR强度,表现如图——

可以看到,在1080P中等DXR效果下,1080Ti还是可以凭借蛮力以超过60帧的帧速流畅运行的。

《地铁:离去》(光追要素:全局照明、环境遮挡)

GTX 1080 Ti的平均帧数仅16.4FPS,完全没法玩。

之所以出现这些差异,除了游戏本身的优化,还在于光追技术要素中,全局照明/环境遮蔽对光线数量的要求最苛刻,负载最高,没有专门RT硬件单元的GTX显卡依靠传统着色器,效率仍低。所以也许你也能因此理解,为何GTX 1066以下的显卡不会并不在此次支持之列,强上等于负优化。

看了这些游戏的表现,大概也能知道英伟达为何解锁老款显卡的光线追踪了吧。就是让你体验一下光追的画面,同时提醒你,该换显卡了。

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