物理加速时代的来临？实测N卡PhysX性能！！
近日，在NVIDIA发布8系列、9系列的[url=http://product.pcpop.com/VGA/00000_1.html][color=#0066cc]显卡[/color][/url]均Physx物理加速技术后，很多人都有疑问，究竟NVIDIA的[url=http://product.pcpop.com/VGA/00000_1.html][color=#0066cc]显卡[/color][/url]能否充当物理卡的角色呢？今天，我们就来凑一下热闹，试着解开这个谜团。官方说法：NVIDIA PhysX是一种功能强大的物理加速引擎，利用具备数百个内核的强大[url=http://product.pcpop.com/CPU/00000_1.html][color=#0066cc]处理器[/color][/url]来进行硬件加速。加上GPU超强的并行处理能力，PhysX将使物理加速处理能力呈指数倍增长并将您的游戏体验提升至一个全新的水平，在游戏中呈现丰富多彩、身临其境的物理学游戏环境。其中特色包括： 爆炸引起的烟尘和随之产生的碎片、复杂和连贯的几何学计算使人物的动作和互动更加逼真、其视觉效果令人叹为观止的全新武器、布纹的编织和撕裂效果非常自然、运动物体周围烟雾翻腾。
[align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/44fb6d1e-bd22-481d-ad10-b6d61b207614.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/44fb6d1e-bd22-481d-ad10-b6d61b207614.jpg[/img][/url][/align]今天我们用一块ATi的HD4850作为主卡和一块NVIDIA的9600GT来做“物理卡”。
HD4850高清版
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9600GT钻石版
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[/align]合影照
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接着下来，测试开始。[/align]
[align=right]开启物理加速[/align]
[align=left]测试平台：
[url=http://product.pcpop.com/CPU/00000_1.html][color=#0066cc]CPU[/color][/url]:Q6600 OC 3.0G
[url=http://product.pcpop.com/MB/00000_1.html][color=#0066cc]主板[/color][/url]：P35-GR
[url=http://product.pcpop.com/Memory/00000_1.html][color=#0066cc]内存[/color][/url]：2G*2 DDR－800
[url=http://product.pcpop.com/HDD/00000_1.html][color=#0066cc]硬盘[/color][/url]：500G 7200.32M
[url=http://product.pcpop.com/VGA/00000_1.html][color=#0066cc]显卡[/color][/url]：HD4850高清版 & 9600GT钻石版
测试软件：Mstar、FluidMark、UT3（已安装地图mod补丁包）[/align][align=left]
首先插上HD4850和9600GT，安装最新版[url=http://product.pcpop.com/VGA/00000_1.html][color=#0066cc]显卡[/color][/url]驱动（本机安装催化剂8.7和forceware177.92）和 PhysX驱动（目前最新是8.08.18）。[/align][align=left]
安装好各驱动后，发现硬件加速并没有开启，不用担心。[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/6e48ec1a-bd35-4089-ab3f-79d4d0a4c03d.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/6e48ec1a-bd35-4089-ab3f-79d4d0a4c03d.jpg[/img][/url][/align]
这时候的关键位到了，打开“显示设置”在显示那里选9600GT。[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/f1cf9db6-1e46-4f5b-8838-af143bdebc65.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/f1cf9db6-1e46-4f5b-8838-af143bdebc65.jpg[/img][/url][/align]
[/align][align=left]然后将“将windows[url=http://desk.pcpop.com/][color=#0066cc]桌面[/color][/url]扩展到该监视器上”的选项“打勾”。这样就可以开启硬件加速了。[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/d38fbc23-54a8-4d74-b6e4-660a2c12c901.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/d38fbc23-54a8-4d74-b6e4-660a2c12c901.jpg[/img][/url][/align]
接下来看看硬件加速的性能到底如何。[/align]
[align=right]“NVIDIA＋ATi合交”测试[/align][align=left]
FluidMark[/align][align=left]
开启加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/80d26437-468a-4a58-8686-dd72ce843356.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/80d26437-468a-4a58-8686-dd72ce843356.jpg[/img][/url][/align][/align]
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关闭加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/069d1f7d-c33b-4ae7-92c3-9458bf34c7ba.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/069d1f7d-c33b-4ae7-92c3-9458bf34c7ba.jpg[/img][/url][/align][/align]
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Mstar[/align][align=left]
开启加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/36d4a647-9f52-4008-9902-c8d980f475fe.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/36d4a647-9f52-4008-9902-c8d980f475fe.jpg[/img][/url][/align][/align]
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关闭加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/766015b7-05e5-444e-a6fb-51ca95549617.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/766015b7-05e5-444e-a6fb-51ca95549617.jpg[/img][/url][/align][/align]
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UT3[/align][align=left]
开启加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/e6cd45a3-fdd4-4532-a5fa-38bbf7123318.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/e6cd45a3-fdd4-4532-a5fa-38bbf7123318.jpg[/img][/url][/align][/align]
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关闭加速[/align][align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/ddb98cce-bce9-4c76-a602-de416de39692.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/ddb98cce-bce9-4c76-a602-de416de39692.jpg[/img][/url][/align][/align]
[align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/6b45faef-775c-482c-aacf-8224d18aa01f.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/6b45faef-775c-482c-aacf-8224d18aa01f.jpg[/img][/url][/align][/align]
[align=left][align=left][url=http://bbs.pcpop.com/ImageBrowse.aspx?ImageUrl=http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/1x1/8631107b-9da2-476e-a86d-dec6ed596f50.jpg][img]http://bbsimg.pcpop.com/UpLoadImages/2008/9/3/0x0/8631107b-9da2-476e-a86d-dec6ed596f50.jpg[/img][/url][/align][/align]
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[align=left] 通过以上测试，发现开启硬件加速后，fluidmark提升322％、Mstar提升285％、UT3提升114％。但由于目前所支持的游戏和软件还不是很多，同时[url=http://vista.pcpop.com/][color=#0066cc]vista[/color][/url]还没得到支持。迟些还将会送上“单卡处理3D＋物理加速 和 单卡只处理物理加速”的对比，还有不同型号的8系列、9系列[url=http://product.pcpop.com/VGA/00000_1.html][color=#0066cc]显卡[/color][/url]进行物理加速性能对比。请密切留意。[/align]
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