早些年,我们在测试显卡的时候就发现,通常情况下在其它规格不变的情况下,一款显卡512MB和1GB显存的游戏帧率表现差别不大。如今,游戏要求越来越高了,分辨率也提升了,对显存的要求变了吗? 到底多大显存够用?2GB、4GB甚至是8GB显存有区别吗? ![](http://img1.mydrivers.com/img/20160108/s_7425b15e37ff42abadce662838f1c236.jpg)
近日,外媒Techspot进行了实际测试,选择了R9 390(8GB)、R9 290(4GB)、R9 380(4GB及2GB)、GeForce GTX 960(4GB及2GB)六款显卡,以及最具代表性的几款游戏,在同场环境下进行对比(1080p、1600p两种分辨率,高低画质)。测试环境如下: CPU:Intel Core i7-6700K (4.00GHz) 内存:2x 8GB Kingston Predator DDR4-3000 显卡:Asrock Z170 Extreme7+ (Intel Z170) 电源:Silverstone Strider Series (700w) 硬盘:Crucial MX200 1TB (SATA 6Gb/s) 参测显卡: HIS R9 390X IceQ X² 8GB HIS R9 290X iPower IceQ X² 4GB HIS R9 380 IceQ X² 2GB HIS R9 380 IceQ X² 4GB Gainward GeForce GTX 960 Phantom 4GB Gainward GeForce GTX 960 Phantom 2GB Microsoft Windows 10 Pro 64-bit Nvidia GeForce 361.43 WHQL AMD Crimson Edition 15.12 具体测试结果如下: ![](http://img1.mydrivers.com/img/20160108/s_20026371ddba40639b9c895fa9fc98d6.png)
![](http://img1.mydrivers.com/img/20160108/s_5f35a156821a485780e8f6072546a4e1.png)
![](http://img1.mydrivers.com/img/20160108/s_5b2e52c6310743cc9e18ebbfddd96224.png)
![](http://img1.mydrivers.com/img/20160108/s_8686707554294c44b08927267a059ddf.png)
《孤岛危机3》
![](http://img1.mydrivers.com/img/20160108/s_8bc6c72929d5419cacd9a6abfca3666e.png)
![](http://img1.mydrivers.com/img/20160108/s_b11036d70cf646a9a3dcd201503f7dbf.png)
![](http://img1.mydrivers.com/img/20160108/s_c15c7d63c2aa4911ae673e8c3d1f7265.png)
![](http://img1.mydrivers.com/img/20160108/s_53e793b0d4484031b1504d4c94a12e90.png)
《刺客信条:辛迪加》
![](http://img1.mydrivers.com/img/20160108/s_794621c5c49e4a5db20f65370bf02fd6.png)
![](http://img1.mydrivers.com/img/20160108/s_e6681c4617124870a1674704053dfa7c.png)
![](http://img1.mydrivers.com/img/20160108/s_66b78ebc2665412dbd67540d920d7800.png)
![](http://img1.mydrivers.com/img/20160108/s_11a092d8ff494d7899d10af7a65f1d34.png)
《GTA5》
![](http://img1.mydrivers.com/img/20160108/s_e086887e05bb41729bce041269c8aeb6.png)
![](http://img1.mydrivers.com/img/20160108/s_fd152d33aaf64614af0b3bb777b5d796.png)
![](http://img1.mydrivers.com/img/20160108/s_8fc7405c4d734331b00335199092a2b6.png)
![](http://img1.mydrivers.com/img/20160108/s_c40bf73cdebf4e1086d23419f7c45bf9.png)
《正当防卫3》
![](http://img1.mydrivers.com/img/20160108/s_98a8663f44df4a80a4a9b06a4464fbb6.png)
![](http://img1.mydrivers.com/img/20160108/s_c3169b78803845429b9d2de94d796d33.png)
![](http://img1.mydrivers.com/img/20160108/s_15caa733ec92451bbceea4d449086e4e.png)
![](http://img1.mydrivers.com/img/20160108/s_c195219b57c547b3bb5cc0bdafb14681.png)
《星球大战:前线》
![](http://img1.mydrivers.com/img/20160108/s_0ed3bab0ad4747c9ace8e0eb613f7a4f.png)
![](http://img1.mydrivers.com/img/20160108/s_3563390aa5b54455917a7413691f2224.png)
![](http://img1.mydrivers.com/img/20160108/s_ea889ef90ea64d67a89aac08eb2c5e5b.png)
![](http://img1.mydrivers.com/img/20160108/s_f2b5e1099a934d45af747c03590c7a82.png)
《巫师3》
![](http://img1.mydrivers.com/img/20160108/s_85eeb9cf4a0a40168a77fd397575271b.png)
![](http://img1.mydrivers.com/img/20160108/s_582a2ed7072747778bd3e9c7b9876904.png)
![](http://img1.mydrivers.com/img/20160108/s_1c8a4e452b8b41968012bc71f1150bc5.png)
![](http://img1.mydrivers.com/img/20160108/s_2808b21741d14295aeac218792d4d3e5.png)
《战地4》
从测试结果不难看出,无论是在1080p还是1600p分辨率,在绝大多数情况下2GB显存已经完全可以满足需求,表现和4GB显存几乎没有区别,而8GB显存则显得有些多余,基本没有必要。
只有在极端情况下,比如《GTA5》1600p分辨率,FXAA、4xMSAA超高画质,2GB显存才会捉襟见肘,游戏帧率会明显低于4GB显存。 所以,在选择显卡的时候,真的没有必要追追求大显存容量,更需要关注的是内核、显存带宽以及显存类型。 |