ԿΪ֣ 
һʾģоƬ̡šͺšܹƵʣ 
Դװ͡λٶȡƵʡ 
PCB壨PCBӿڡλɢ
һʾģ 

ʾ 

ʾľճ˵GPUԿ𵽵ãCPUһGPUҪƵϢ3DȾ̶ܴϣGPUһԿܺû𵽾Եá 

оƬ 

ǳʾоƬ̷ֱATInVIDIAIntelSISMatrox3D LabsIntelSISҪʾоƬMatrox3D LabsҪרҵͼĿǰĶԿоƬгҪϵռݣǷֱATinVIDIAATiѾAMDչԺԿгϵսAMD-ATinVIDIAݡ 

оƬ 

ĴžʾоƬĿšڶʾоƬʱΪ˷ۡԼͳһһϵеʾоƬӦĴšͬĺĴţԸݲͬгλٶԺĵļܹƵʡԴпƣͬͺŵʾоƬӶ㲻ͬܡ۸гϸֲƷߵĿġ 

оƬͺ 

оƬͺϸоƬԽԿоƬͨκĹ߻򽵵ԿƵʵȷ䴦ȫϸġΪͶ˵ĲƷnVIDIAGeForce 7300GT7600GTΪͺŵԿͬ˴ΪG73ʾģΪߵļ7600GTӵ12Ⱦߺ5ɫ7300GT8Ⱦߺ4ɫˣȻ7300GT7600GTȻͬ˴ΪG73ʾоƬȻġ 

ļܹ 

Ⱦ 

ڴͳԿĹ߼ܹУǾ˵ĳԿӵXȾߺXɫԪȾֳȾˮߣƺܹ˵ȾˮߵĹ̡Ƕһˮ߶ǡPixel Shaderɫ+TMUԪ+ROPդ棬ATIΪRender Back End 

ӹϼ򵥵˵Pixel ShaderشTMUȾROPص һĴͳˮζһʱ1Pixel Shader㣬11ءȾԪԪROPıͨΪ1:1:1ҲȷATiRV580ܹУȾˮ߾ͻ1:3ĻƽȾܹÿȾ߶3ɫһX1900XTԿУ48ȾԪ16TMUԪ16ROP 

ڹȥԿϵУȾߵǾʾоƬܺ͵εҪĲ֮һͬԿƵ£ȾҲζŸʺʣжŲͬĹԿʱܵһֻĺ/ԴƵʣȾ൱Ҫ 

ɫ 

ǿԽȾΪһ3Dͼεɫ̣3DͼεĹɶɫ(Vertex Shader)ִеġɫҪͼΣҲǽģΣÿһ㽫3Dͼεĸض壬аÿһxyz꣬ÿһ㶥ܰɫľ·ʡȡɫĿԽܸĴļͼΣĿǰµĴ3DϷУȾĲݴԺҶɴɣGPUVertex ShaderɫҪܴ£ඥɫƾͱֳ 

ͳһȾܹ 

һĳ֣Ծǰ˵ĿǰµĴ3DϷУȾĳɴɣGPUVertex ShaderɫҪܴ󣬶ʱ˵Ҫ̫ȾȾԪãɫȴڲغɵ״̬ͳһȾܹĳ֣ڽShaderԪ״̬GPUʡ 

νͳһȾܹҿΪVertex ShaderPixel ShaderԼDirectX 10Geometry ShaderͳһװʱԿеGPUῪٶĹߣе㵥Ԫ⴦κһShader㡣ʹGPUʸӸߣҲ˴ͳܹԴ䲻Դ˷㵥ԪǾᵽͳһȾԪunified Shader˵unified ShaderĿԽ࣬Կ3DȾִԽߣˣunified ShaderĿΪжһԿܵҪ׼ 

Ƶʣ 

ʾĵĺƵһ̶ϷӳĵܣCPUƵһǰѾ˵ԿںļܹϵĲ죬ͬļܹǰ£ƵԽߵԿܾԽãһ˵ڴͳȾˮϵGPU 

nVIDIAµ8ϵԿУ˺ƵShaderƵ첽ĸDX10ͳһȾܹVertex ShaderPixel ShaderGeometry ShaderͳһװΪͳһȾԪunified ShaderȾƵʾЩunified ShaderƵʣͨƵʺShaderƵʵıֵΪ1:2ʾУUnified ShaderĹԪtextureԪ͸ROPԪܵƵʵӰġ 

nVIDIADX10ԿУ˺ƵڻShaderƵ 

DX10ԿУATiRadeon HD 2000ϵкNV8ϵвͬATiȻ˺ƵͬĹʽRadeon HD 2000ϵкƵʵĸߵͣһԿ3DȻҪá 

3D API 

APIApplication Programming InterfaceдӦóӿڵ˼3D APIָԿӦóֱӵĽӿڡ3D APIʵԿֱӵĽӿڣԱֻҪдϽӿڵĳ룬ͿԳַԿĲȥ˽ӲľܺͲʹ˳򿪷Чʡ 

ĿǰҪӦõ3D APIУDirectXOpenGL 

RAMDACƵʺֱ֧ 

RAMDAC(Random Access Memory Digital-to-Analog Converter ģת)ǽյͼźתΪӦģźš 

RAMDACתMHzʾˢƵʵĸߵ͡乤ٶԽߣ߷ֱʱĻԽáֵ㹻Դ£Կֵ֧ķֱʺˢʡҪ1024768ķֱ´ﵽ85HzˢʣRAMDAC1024768851.344ϵ10690MHzĿǰԿRAMDACܴﵽ350MHz400MHzͳĿǰʾṩķֱʺˢʡ 

Դ 

˵ԿGPUԵCPUһôԴݵģǵڴĽɫԴĳ 

Դװ 

ԴװָԴõķװͣװĿľǱԴоƬеʺ;иʴԵӴֹоƬ𺦣Դܵ½ͬķװ칤͹շܴ󣬷װԴоƬܵķҲҪáһ˵ڳķװTSOP(Thin Small OutLine Package) СߴװMicroBGA (Micro Ball Grid Array) ΢բзװֳFBGA(Fine-pitch Ball Grid Array) 

TSOPװ͵Դ棬Ϊװ͵ԴĽ¶⣬״һʳΡTSOPװڵ칤ձȽϳ죬ɿҲȽϸߡͬʱװԴгƷʸߡ۸˵ơ 


TSOPװ 

ԱTSOPװԴƷ˵mBGAװ͵ԴڹķӣõĿɿоƬӷʹòƷŸѵĵܡͬʱԴںȺ϶TSOPװƣ˲ƷĲƷĸӲ źŴӳҲСƷĹƵʼƵܶߡmBGA/FBGAװΪţ״ûTSOPװôĿǰǼԴʹmBGAķװ͡ 


ʹmBGAװGDDR3Դ 

Դλ 

ԴλԴһʱܴݵλλԽ˲ܴԽ󡣳Դλ64bit128bit256bit320bit512bitԴλҲжһԿļͨ˵ԴλԽߵԿԽߡһԿԴλһԿĵԴλģ˾816M*32bitGDDR3ԴGeForce 8600GTSԿԴλҲ128bitΪGeForce 8600GTSĺѾ涨ԴλĹΪ128bit 

Դ 

Դܺ˰ɣԴԽܴ洢ݾԽࡣҪָǣеԿԴԽԽãеͶԿGeForce 8500GTGeForce 7300GT䱸512MBԴʵеͶԿûκӰġһ򵥵ıһˮ׵һˮ򵽶ٵˮȡˮж󣬶ȡˮж 

Դٶ 

ǳԿУԿDDR3:1.4nsDDR3ʾԴͣ1.4nsʾΪԴٶȣԴٶһns룩ΪλԽСʾԴٶԽ죬ԴԽáڳԴУGDDR2Դٶ4.0ns~2.0nsGDDR3Դٶ2.0ns~0.8nsĿǰµGDDR4Դٶ0.9nsʼ 

ԴƵ 

ԴƵΪԿ֮һһ̶ϷӦŸԴٶȣMHz׺ȣΪλDDRԴ۹Ƶʼ㹫ʽǣԴ۹ƵʣMHz1000/Դٶ*2 

PCB 

PCBPrinted Circuit BlockӡƵ·壩дԿ壬еԿԪPCBϣPCBĺûֱӾԿܵĺûȶ 

PCB 

PCBһɷΪźŲ㣨SignalԴ㣨Powerǵ߲㣨GroundÿһPCBϵĵ·໥ġĿǰΪPCBһ㶼ǲ4㡢68·ƣܵ˵PCBԽ࣬ԿĵԽѣԿܡҲԽã۸ɱҲΪPCBĲǺжϣһ㶼ҪԿṩϢΪɿϢԴΪбŵĹPCB塣nVIDIAModel P403/P402/P401ֱΪ4㡢6㡢8PCB塣 

Կӿ 

ĿǰAGPԿӿڻѾֱ̭ĿǰDX10ԿֻAMD-ATiͨŽоƬµDX10ԿƳAGPӿڵİ汾ĿǰΪPCI-Express X16ӿڣµԿӿΪPCI-Epress2.0֧淶ԿѾС 

ӿ 

ΪƵӿVGA(Video Graphics Array) ƵͼнӿڣDVI (Digital Visual Interface) ƵӿڣS-VIDEO(Separate Video) ƵӿڣHDMIHigh Definition Multimedia Interfaceýӿڡ 

VGAӿڵǽģźCRTLCDʾУĿǰӿ֮һ 

DVIӿڵƵź辭תź˥ʧ棬Ŀǰӿ֮һ 

S-VIDEOһ߽ͷȺɫȷ豸ҪΪ˿˷ƵĿʱȸɫȵĻš 

HDMIǻDVIDigital Visual InterfaceƶģԿDVIǿ죬߿ԼݡHDMIԿǿDVIӿںͶƵĽϡ 

Կλ 

ĿǰԿƵԽԽߣԿĵѹҪҲԽԽߣڳĶΪ/ԴֿơЩ߶˻ƵʽϸߵԿĸǲ๩ƣÿ๩ֱɵԪMOSܣɡPCI-Express X16ӿĿǰṩĹΪ71Wң˲ٸ߶ԿҪ4Pin6PinԴάֹ磬ATiĶԿRadeon HD 2900XTУṩ6pin+8pinӵԴӿڣķǳ֮ 

ɢװ 

ԿɢװõĺûҲӰ쵽һԿȶԣĿǰ߶˵Կʽɢϵͳȹܻͭɢȡ 

ɢװзɢȡʽɢȺˮɢȡɢȼɢƬϼװ˷ȣԿɢЧܣĿǰ㷺ľɢȷʽʽɢԿϰװϽͭϽͨķʽɢȣɢϵͳûж˴ӦõԿУҺɢͨȹҺGPUˮһڶԿвãǼ̨ 8800UltraҺ档 

ԿõҺɢװ
