𝙻𝚎𝚘
2025-07-05T02:42:30+00:00
[s:ac:囧]才发现不开帧生成的路径追踪2077竟然如此吃CPU,开超级性能档以后帧数也不过就是在80帧到100帧之间波动,但是显卡几乎全程都吃不满,占用率只有80%+到90%,最低的场景甚至会跌到60帧左右,此时显卡都远远不到吃满的99%,到底要什么级别的CPU才能在这个场景下喂饱显卡。。。
不严谨测试,仅跑2077自带的benchmark,非特定场景,1920*1200分辨率,DLAA,路径追踪,特效全拉满,开启4倍帧生成,9800X3D与i7-8086K带5070Ti几乎毫无区别[s:ac:擦汗]
[img]https://img.nga.178.com/attachments/mon_202507/12/9aQkmp-be10K1tT3cS1hc-xc.webp[/img]
[img]https://img.nga.178.com/attachments/mon_202507/12/9aQkmp-hggK1aT3cS1hc-xc.webp[/img]
[img]https://img.nga.178.com/attachments/mon_202507/12/9aQkmp-4i3fK12T3cS1hc-xc.webp[/img]
[img]https://img.nga.178.com/attachments/mon_202507/12/9aQkmp-9g6oK1dT3cS1hc-xc.webp[/img]
[img]https://img.nga.178.com/attachments/mon_202507/12/9aQkmp-g1aoK1sT3cS1hc-xc.webp[/img]
4K下开DLSS性能档,跟上述表现也差不多。
Reply to [pid=831563422,44589131,1]Reply[/pid] Post by [uid=63697322]我永远喜欢Kiana[/uid] (2025-07-12 11:01)超级性能是720P上采样到4K
Reply to [pid=831564189,44589131,1]Reply[/pid] Post by [uid=66278383]云天明不是云吞面[/uid] (2025-07-12 11:08)那没试过了,个人觉得4K下DLSS性能档从1080p上采样至4K刚刚好,不放大到200%的话,我已经看不出与4K原生分辨率+DLAA的区别了
Reply to [pid=831564817,44589131,1]Reply[/pid] Post by [uid=63697322]我永远喜欢Kiana[/uid] (2025-07-12 11:15)你不觉得4k性能档偶尔会有种奇怪的锐化感吗?我4k要平衡档才能接受
刚刚进游戏试了下,4k画质光追全拉满,不开帧生成,超级性能档,9700x+5080 初始H10楼下cpu占用在85-93反复横跳
Reply to [pid=831568961,44589131,1]Reply[/pid] Post by [uid=64258989]仓科明日香の飞鱼[/uid] (2025-07-12 11:42)普通光追还是路径追踪?
Reply to [pid=831567413,44589131,1]Reply[/pid] Post by [uid=66278383]云天明不是云吞面[/uid] (2025-07-12 11:31)没有
Reply to [pid=831569178,44589131,1]Reply[/pid] Post by [uid=66278383]云天明不是云吞面[/uid] (2025-07-12 11:44)路径追踪,不好意思之前回复打错了,是显卡占有率85-93
Reply to [pid=831569659,44589131,1]Reply[/pid] Post by [uid=63697322]我永远喜欢Kiana[/uid] (2025-07-12 11:48)可能是你的基础帧数够高吧,因为dlss是时域抗锯齿,帧数也会影响dlss超采样的效果,我试了一下,三倍帧生成锁120帧,即40帧的基础帧的情况下,4K性能与4K平衡还是能看得出区别的。如果都是60基础帧的情况下应该就差别不大了
Reply to [pid=831569911,44589131,1]Reply[/pid] Post by [uid=64258989]仓科明日香の飞鱼[/uid] (2025-07-12 11:50)那看来9700x如果给5070ti应该就刚刚好够了。。。。要保证能吃满还是得7800x3d起步
9700x就可以了,4k5090dadoc。路径追踪。街道车多30多帧,开dlss质量+4倍有178左右,gpu满占用房间里更高
Reply to [pid=831579058,44589131,1]Reply[/pid] Post by [uid=66515916]头文字Z[/uid] (2025-07-12 12:46)[s:ac:哭笑]注意我说的是超级性能档位
[img]https://img.nga.178.com/attachments/mon_202507/13/9aQ9640-kmutK3T3cSnw-n.webp[/img]
2077不开帧生成可以让4090DLSS性能+137K占用95%,多核能力才是瓶颈。