ATI发布Radeon X800，测试纷纷至-中关村在线

5月4日——在ATI的NDA规定的发布时间，ATI正式发布了新一代的图形核心ATI Radeon X800 Pro和ATI Radeon X800 XT Platinum Edition（白金版）。

此次发布的Radeon X800系列图形核心将完全支持Shader 2.0标准，而Shader 3.0暂时还没有提供支持。ATI Radeon X800 Pro和ATI Radeon X800 XT Platinum Edition图形核心集成了一亿六千万个晶体管。ATI Radeon X800 Pro配备了12条管线，而ATI Radeon X800 XT Platinum Edition则配备了16条管线。据透露，整个ATI Radeon X800系列产品能运行在4、8、12和16条管线下。

ATI Radeon X800 Pro显卡核心频率为475MHz，显存频率为900MHz（256MB GDDR3）；而ATI Radeon X800 XT Platinum Edition显卡核心频率为520MHz，显存频率为1120MHz（256MB GDDR3）。ATI Radeon X800 Pro和ATI Radeon X800 XT Platinum Edition官方的零售价格分别为399美元和499美元。

(牛头人挥舞巨斧,X800 PRO火爆出场)

(X800 PRO显卡全貌)

(R420核心)

(采用公版设计的HIS品牌的X800 Pro显卡)

(非公版设计的HIS品牌的X800 Pro IceQ II显卡)

下面是ATI Radeon X800 Pro和ATI Radeon X800 XT Platinum Edition的官方规格：

RADEON X800 XT Platinum Edition :	RADEON X800 PRO:
•520MHz engine	•475MHz engine
•.13 micron copper low-k	•.13 micron copper low-k
•1.12GHz memory data rate	•900MHz memory data rate
•256-bit memory interface	•256-bit memory interface
•16 pixel pipes	•12 pixel pipes
•6 vertex pipes	•6 vertex pipes
•8.32 Gigapixel/second fill rate	•5.7 Gigapixel/second fill rate
•HYPER Z™ support for HD resolutions including HierarchicalZ, color and Z compression	•HYPER Z™ support for HD resolutions including HierarchicalZ, color and Z compression
•Hierarchical Z and Early Z	•Hierarchical Z and Early Z
•Z Compression	•Z Compression
•Fast Z Clear	•Fast Z Clear
•Z/Stencil Cache	•Z/Stencil Cache
3Dc Compression Technology	3Dc Compression Technology
• Lossless Normal Map Compression	• Lossless Normal Map Compression
•4:1 Normal Map Compression technology	•4:1 Normal Map Compression technology
Smart Shader HD	Smart Shader HD
• 1536 Shader Instructions	• 1536 Shader Instructions
•Flexible Shader Architecture	•Flexible Shader Architecture
SmoothVision HD	SmoothVision HD
• Improved Anti Improved performance	• Improved Anti Improved performance
•Temporal Anti Aliasing	•Temporal Anti Aliasing
•Centroid Sample Anti-Aliasing Mode	•Centroid Sample Anti-Aliasing Mode
•Programmable sparse sample patterns	•Programmable sparse sample patterns
VideoShader HD	VideoShader HD
• High quality video processing & acceleration	• High quality video processing & acceleration
•Real time user programmable video effects	•Real time user programmable video effects
•Video post processing and filtering	•Video post processing and filtering
•MPEG 1, 2, 4 encode and decode acceleration	•MPEG 1, 2, 4 encode and decode acceleration
•FULLSTREAM™ Video Deblocking	•FULLSTREAM™ Video Deblocking
•WMV9 decode acceleration	•WMV9 decode acceleration
•High quality resolution scaling	•High quality resolution scaling
•Adaptive Per Pixel Deinterlacing	•Adaptive Per Pixel Deinterlacing
•Motion Compensation	•Motion Compensation
•Noise removal filtering	•Noise removal filtering
•Display Rotation	•Display Rotation

早在正式发布之前，各大硬件网站就已经放出了相应的评测文章，以下是各大网站的评测连接：

tomshardware
anandtech
hardocp
beyond3d
hardwareanalysis
bjorn3d
lostcircuits
techreport
altavista
chip
ascully
k-hardware
driverheaven
extremetech
firingsquad
gamers-depot
hexus
hothardware

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