Lub Radeon 6970: txheej txheem cej luam, yam ntxwv, kev sib piv nrog cov neeg sib tw thiab kev txheeb xyuas

Radeon HD 6970 - graphics card, AMD, tso tawm nyob rau hauv Lub Kaum Ob Hlis 2010. Nws architecture simplifies tsim ntawm kwj processors thiab muab lawv nrog ntau dua efficiency.

qauv keeb kwm

Nyob rau hauv 2008, AMD tau tsim thiab tso tawm lub Radeon HD 4000 series, codenamed R700 thiab ATI yees hom. Tej zaum, muaj coob tus neeg tseem siv nws nyob rau hauv lawv cov PC. R700 architecture tau hloov qhov ntev-awaited R800, uas teb cov leem txoj kev rau ib tug lineup AMD lub lub ATI lub Radeon HD 5000. Lub pearl yog tus HD 5870 series card, uas nyob rau hauv lub Cuaj Hli Ntuj xyoo 2009. Nws muaj 2.15 billion transistors thiab yog ib tug kawm tau zoo, tshuav flagship ib leeg-processor qauv rau txog 15 lub hlis. Hloov nyob rau thaum xaus ntawm xyoo 2010. Thaum lub sij hawm nws yog ib tug ntawm qhov zoo tshaj plaws phaib rau hauv nws cov nqi ntau uas hais lus rau nws tus kheej.

Nvidia tus coj txog 6 lub hlis mus rau hluav taws rov qab qhov kev tso tawm ntawm GeForce GTX 470 thiab 480, thiab txawm ces muaj ntau leej ntseeg hais tias nws tsis nyob rau kev ntshaw. Tom qab ib tug ob peb ceev txiav nqi thiab paub tsav tsheb pab txhawb nqa card tswj kom muaj kev sib tw. Ntxiv tshwm sim GTX 460 GF110 architecture thiab refined pab tsim ib tug zaum cov khoom, thiab leem txoj kev rau cov hauv qab no qauv, uas yog lub GTX 580 thiab 570.

Meanwhile, AMD tau muaj HD 6000 Lub kaum hli ntuj 209 th, dua cov baton mus rau lub graphics card HD 6870 raws li ib tug counterweight rau GTX 460, cov nqi ntawm uas ces yog $ 240. Nws yog ib qho impressive qauv, tsuas yog cov hma txoj kev lub npe thiab qhov chaw tsim tshuaj paus lub qhov nco hais tias nws tsis yog ib tug hloov rau cov 5870-th qauv. Pib nrog no series, nrog ATI yees hom yog officially ua rau lub hom phiaj ntawm correlation ntawm graphics khoom los ntawm AMD thiab nws cov computer platforms. Raws li, hloov lub logo tsim.

Tom qab ib tug luv luv ncua, nws twb tso tawm tus tshiab Radeon HD 6970 2GB. Graphics processor, codenamed Cayman yog ua los ntawm 2.64 billion transistors, uas yog 23% ntau tshaj li nyob rau hauv 5870-th qauv. Ib yam li cov GTX 570 thiab 580, uas yog zoo versions ntawm lub GTX 470 thiab 480, HD 6970 tau los ua ib tug modernized version ntawm lub 5870-th qauv.

Tshiab 6900 Series

high-end architecture Cayman, siv nyob rau hauv lub series HD 6900 yog me ntsis txawv ntawm Barts, debuted nyob rau hauv 6870 th thiab 6850 th qauv. Nws yuav siv configuration VLIW5 HD 5000 uas muaj xws li SIMD nrog plaub yooj yim thiab 1 complex kwj ua chav nyob. Video card 6900 Series txawv configuration VLIW4, nyob rau hauv uas qhov kev txaus yog lub koom haum nyob rau hauv pab pawg ntawm cov 4 blocks nrog tus sau. Thaum lawv tag nrho cov muaj vaj huam sib luag, 2 ntawm lawv (3 thiab 4) ua tshwj xeeb functions. Raws li ntaub ntawv los ntawm lub tuam txhab AMD, VLIW4 configuration muab hwj huam ua tsis inferior VLIW5, thaum uas txo lub nti cheeb tsam li ntawm 10%.

Cayman processors muab ib theem siab ntawm parallelization piv nrog Evergreen / Cypress architecture siv nyob rau hauv lub HD 5800. Barts GPUs yog qhov chaw nyob rau hauv nruab nrab ntawm, txij li thaum lawv tau ib kauj ruam rau pem hauv ntej los ntawm Cypress muab ib tug neeg khiav controllers rau txhua txhua tus ob SIMD-blocks. Cayman tej daim muaj ntau heev tshaj dua kev xaiv ua tsaug rau ob tug xyaw rau GPE thiab lub hom phiaj ntawm txhua tus ntawm lawv mus rau lub SIMD-unit. Qhov no txhais tau tias cov architecture tam sim no muaj ob tug ntau npaum tessellation tsev raws li muab piv mus rau ib tug thaum Barts. Nyob rau hauv HD 6900 graphics card, li ntawd, lub tessellation kev kawm muaj peev xwm yuav ho paub. Raws li AMD, nws tau nce 3-fold piv rau HD 5870. Nyob rau hauv tas li ntawd, Cayman architecture kuj txawv ua rendering cav muaj 128 ROP Z / Stencil, 32 ROP xim, nrog luag ob zaug li sai 16-ntsis integer hauj lwm thiab 2-4 -fold kom nyob rau hauv cov kev ceev ntawm 32-ntsis ntab-point ua hauj lwm.

Architecture Cayman

Cov kev hloov ntawm kev VLIW5 VLIW4 rau paub laij hwj chim AMD: nqaim SPU yooj yim rau siv tag nrho, FP64 tej kev ua tau zoo muab piv rau ib tug peb lub hlis twg-FP32, thiab cawm qhov chaw yuav haum ntxiv SIMD. Tiam sis yog tias Cayman yog ib tug loj los mus nce ib foothold nyob rau hauv kev ua lag luam ntawm nrig txog kev pom xam thiab snip tawm ib daim ncuav mog qab zib los ntawm NVIDIA, ces nws yuav tsum ua ntau tshaj li cia li ntxiv tshiab shaders. Yog li ntawd, AMD tau struggled los txhim kho lub functionality ntawm nws cov graphics processor, yog li ntawd nws yuav ua rau ib tug kev hem thawj rau lub Fermi architecture.

Lub ntsiab feature ntawm lub Cayman yog asynchronous kev teem sij hawm. Lub sij hawm meej piav dab tsi ua rau ntawm daim card. Lub Fermi NVIDIA tswvcuab them nyiaj yug rau thaum uas tig mus cores, uas yog muab ib lub sij hawm mus nqa tawm suav ntawm ob peb daim code ntawm ib lub sij hawm. AMD yog pheej rov qab ua NVIDIA mus kom ze, tab sis mus ntxiv.

Tswj lub Fermi tsim yog hais tias txawm lub architecture tso cai rau kom siv ntau yam cores, txhua tus uas yuav tsum tau txais kev pab los ntawm ib tug kwj processors. Independent daim ntaub ntawv, piv txwv li, yuav tsis muab lawv tus kheej cov cai thiab khiav nws nyob rau hauv thaum uas tig mus thiab GPU yuav tsum ntsiab lus teb hloov ntawm lawv. Asynchronous dispatch los ntawm AMD no yog tsim los pub ywj siab ntws thiab daim ntaub ntawv muaj cai hais tias yuav tsum tua nyob rau hauv thaum uas tig mus. Thaum kawg rau ntawm daim ntawv, nws muab rau koj ib tug tseem ceeb kom zoo dua (cov ntsiab lus teb mus yog kim heev), uas yog rau tshaj Fermi kev kawm.

Lub hauv paus ntsiab lus ntawm asynchronous kev teem sij hawm yog tias cov GPU hides ib co lus qhia txog nws tiag tiag lub xeev ntawm kev siv thiab code, uas, nyob rau hauv cov nyhuv, ua rau lub virtualization ntawm lub GPU kev pab. Tom qab tag nrho, txhua daim ntawm code qhia tias nws ua hauj lwm nyob rau hauv koj GPU nrog nws hais kom ua queue thiab ib tug private virtual chaw nyob qhov chaw. Nws hloov lub nra rau cov GPU thiab cov tsav tsheb, tab sis lub payoff yog hais tias nws yog ib qho zoo tshaj ib tug lub ntsiab lus teb mus.

Asynchronous kev teem sij hawm yuav tsum tau API them nyiaj yug. DirectCompute yog ib tug taag standard, thiab qhov no feature yog tsis txaus siab, yam tsawg kawg nyob rau hauv lub 11-thib ob versions. Yog li ntawd, asynchronous kev teem sij hawm yog siv raws li ib tug extension ntawm OpenCL.

Tus so ntawm lub txhim kho txheeb AMD nco thiab cache kev ua tau zoo. Cov yooj yim architecture tseem tib yam nyob ntawm no, tab sis ib txhia me kev hloov nyob rau hauv lub xam ntawm cov khoom tau ua. Local cov ntaub ntawv cia nyob rau hauv txhua SIMD, yog tam sim no tau bypass lub cache hierarchy thiab lub ntiaj teb no cov ntaub ntawv cia los ntawm ncaj qha nyeem ntawv. Cayman tau txais lub 2nd tsev direct nco saib, uas Paub nyeem thiab sau ntawv ceev, uas koj mus ua hauj lwm thaum 2 nyob rau hauv txhua lub tsheb.

Thaum kawg, nws yog ib tug me ntsis ceev nyeem ntawv shaders. Piv nrog rau Cypress, Cayman yuav txo tus naj npawb ntawm kev ua hauj lwm los ntawm combining lawv.

tsim

card ntev yog 27 cm, uas yog raug niaj hnub high-kev ua tau zoo qauv. Piv txwv li, HD 4870 X2 ntev yog 28 cm, raws li HD 5870. HD 6970 tib qhov ntev tib yam GTX 580. li nws cov thawj, AMD Radeon HD 6970 yog manufactured siv ib tug 40nm txheej txheem, tab sis lub tuam txhab ntxiv lwm 486 lab transistors, ua dab tsi nti loj muaj ntau zog los 16%. GPU tub ntxhais sau ntawm 880 MHz, uas yog 3.5% ntau dua li cov HD 5870, thiab cov GDDR5 kuj me ntsis sai ntawm ib zaus ntawm 1375 MHz. nco zaus, ua ke nrog lub 256-ntsis tsheb npav, HD 6970 muab ib tug theoretical bandwidth ntawm 176 GB / s, uas yog ib tug 14.5 feem pua zoo dua li cov HD 5870.

HD 6970 yog txawv los ntawm cov laus 5870-th qauv kuj yooj yim configuration. Yog hais tias tus tom kawg yog 1,600 cores 80 thiab 32 TAU rasterization tsev, thawj tau txais kwj processor 1536, kev ntxhib los mos unit 96 thiab tib 32 ROP (4% txo cores thiab 20% ntau TAU).

Rau cov neeg siv cov tswv yim, lub ncov ib bilinear kev ntxhib los mos filtering yog ua nyob rau ntawm ib tug ceev ntawm 84,5 gigatexel / s, thiab sau cov pixels - 28,2 RN / s. Kev kawm ntawv ntawm 2.7 teraflops. Lub peb-dimensional scene yog ua tau rau ib tug npaum li cas ntawm 880 lab uas / sec. Lub card txhawb dual-kwj HD-video playback thiab muaj ib tug kev audio xws li.

Hauv lub rooj plaub yog ib tug luam Circuit Court board nrog cov GPU cheeb tsam ntawm 389 hli ² nyob rau hauv qhov chaw. Nyob ib ncig ntawm lub processor muaj 8 GB 2 Hynix GDDR5 nco chips nrog ib tug me me ntaub ntawv tus nqi ntawm 6 Gbit / s, 0.5 Gb / s li card operating zaus. Siv GDDR5 kev kub ceev yog nyuab los ntawm teeb meem nyob rau hauv kev tsim ib tug zoo cim xeeb chaw tos tsheb loj uas muaj ib feem nyob rau cov qauv. AMD tau ua kev kawm ua tau raws li lub 5.5 Gbit / s los ntawm kev txhim kho cov qauv siv los ntawm luam Circuit Court laug cam, tab sis ntxiv rau kom cov kev ceev nkawd pab tsis tau yus hais tias tsuas yog vim hais tias ntawm tus tsim ntawm 256-ntsis tsheb npav.

txias

Cua txias processor yog loj txaus txhuas radiator vaporization chamber muaj lub 39 phiaj ntev 13,5 cm, dav 6.5 cm thiab qhov siab 2.5 cm. Evaporator tsim tau thawj los siv nyob rau hauv AMD ATI Radeon HD5970 thiab borrowed nyob rau hauv NVIDIA GeForce GTX 570 thiab 580. Thaum kawg, cools lub radiator kiv cua 75 x 20 mm, uas thim cua tawm ntawm lub vaj tse nyob thiab pushes nws tawm mus rau lub rear ntawm daim card.

Rau cov neeg siv cov tswv yim, rau feem ntau yog ib feem ntawm lub thawv txias heev nyob ntsiag to, aided uas tsis muaj zog noj (W 20) nyob rau hauv kaw hom. Thaum lub sij hawm qhov kev ua si, ib tug kiv cua, ntawm chav kawm, accelerates, thiab thauj cov card kov txog li 250 watts. Qhov no yog 33% ntau tshaj yuav tsum tau Radeon HD 5870, tab sis txawm nrog ib qho kev nce nyob rau hauv lub tshav kub load tsis nce lub suab nrov theem rau tsis tsim nyog qhov tseem ceeb.

Lub radiator thiab kiv cua yog muab ntim rau hauv ib qho kev tsim vaj tsev uas conceals tag nrho graphics card. AMD yog ib qho kev xyaum nyob rau hauv lub tsim ntawm lawv feem ntau cov neeg tseem ceeb ua qauv. Raws li siv tswv yim, ib tug tsim lawv nyiam, vim nws muab txhim khu kev qha kev tiv thaiv rau koj ntaus ntawv. NVIDIA kuj ua nyob rau hauv lub dhau los lawm rau tej lawv feem ntau kim graphics phaib, lub GTX 295 dual-GPU, txawm hais tias nws lwm flagship khoom (piv txwv li, lub GeForce GTX 580), qhov no txoj kev loj hlob tau ceased mus thov.

connectivity

Nyob rau hauv thiaj li yuav xyuas kom meej txaus muaj peev xwm card, AMD tau teem lub 8 thiab 6-pin connectors PCIe. Xws li ib tug tov yuav muaj nyob rau hauv lub HD 5970 thiab GTX 580, t. Yuav kom. Qhov no configuration yog feem ntau yog siv nyob rau hauv cov qauv uas haus ib tug ntau ntawm lub zog. Ntawm cov hoob kawm, HD 6970 crossfire them nyiaj yug, thiab hais txog ib tug qauv kawm ntawv, koj yuav nrhiav tau ib tug khub uas connectors mus cuag ob tug los yog ntau phaib. Tom ntej no mus rau lawv yog ib tug mus hais tias cia koj xaiv ntawm 2 BIOS. Qhov no yog ua li cas los txhim kho lub cia siab rau ntawm tus qauv nyob rau hauv cov ntaub ntawv ntawm ib tug ua hauj lwm ntawm lub flash nco. Nyob rau hauv tas li ntawd, koj yuav khiav cov GPU los ntawm kev siv tus thaub qab system, thiab ces hloov rov qab mus rau cov thawj thiab rov-xaws lub puas software. Ua ntej no, AMD tsis txhawb rewritable txawv BIOS, tab sis qhov no yuav ua raws li tau ua ib qho kev nthuav kev hloov.

Qhov seem ports muaj nyob rau ntawm lub tswv yim / tso zis vaj huam sib luag. Reference qauv video card nruab nrog ob tug dual DL-DVI-connector, ob-chaw nres nkoj Mini-DisplayPort thiab HDMI. Nws yog ib nqi sau cia hais tias lub 6970-Kuv qauv txhawb ib tug tshaj plaws kev daws teeb meem mus txog 2560 x 1600 nyob rau hauv 3 saib. Ib tug hub nrog ib tug multi-kwj, siv ib tug mini-connector DisplayPort 1.2, daim card yuav pab mus txog rau qhia. Zoo li 5870, tom qab sab ntawm lub ntaus ntawv yog them nrog ib tug hlau phaj. Txawm hais tias muaj tsis muaj yam uas yuav tsum tau kev tiv thaiv, kev txiav txim siab zoo txais los ntawm cov neeg, vim hais tias nws tso cai rau koj nqa mus siv rau ib daim ntawv, tsis txhob txhawj txog tsis txhob kov cov ntse pins.

Thaum lub zuag qhia tag nrho loj ntawm HD 670 yog yuav luag zoo tib yam rau lub 5870-th qauv, neeg xyuas, AMD surround tsim yog tsis zoo heev thaum nws tawm los ua hauj lwm nyob rau hauv crossfire hom nrog tsim tom ntej no 2 phaib. Lub tsev nyob 5870 th ntsis sawv tawm nyob rau hauv qhov chaw, kom cov huab cua cua ntawm thaiv cov hlab ib sab laug cam. Nyob rau hauv 6970 lub thawj xws khoom kim heev yog tsis tau, thiab yuav zoo cais tawm rau sab saum toj daim ntawv, nyob ntawm seb yuav ua li cas nws yog ntsia. Raws li ib tug tshwm sim, qhov kub thiab txias ntawm lub nce, tab sis tsis mus rau lub tseem ceeb heev qhov tseem ceeb. AMD lub worthwhile kawm tau los ntawm lawv cov competitors los ntawm NVIDIA thiab ib ncig ntawm lub kiv cua los faib ntau qhov chaw uas yuav cia nws mus rau dawb do "ua pa." Cov neeg siv yog hais tias mus nruab ib lub graphics card, tawm hauv nruab nrab ntawm lawv kom deb li deb li sai tau, yog hais tias tus motherboard thiab chassis tso cai rau nws.

productivity

Raws li siv tswv yim, Futuremark 3DMark 11 xeem pom tias nyob rau hauv huab xeem lub Radeon HD 6970 AMD tus yog sai dua 7% tshaj cov GTX 570 (1821 ntsiab lus tiv thaiv 1697). Yog hais tias xws li ib kom zoo dua yuav nyob twj ywm nyob rau hauv peb gaming kev ntsuam xyuas, nws yuav ua si rau hauv lub ob txhais tes ntawm cov chaw tsim tshuaj paus. Raws li cov tib xeem, HD 6970 los ntawm 7% qeeb qeeb tshaj tus GTX 580 (1962 ntsiab lus), 27% hauv qab no lub HD 5970 (2506) thiab 16% dua tshaj qhov HD 5870 (1572 cov ntsiab lus).

Av 2

Qhov kev ua si muaj ib tug zoo heev built-nyob rau hauv kev xeem hais tias meej ntsuas lub sij kev kawm. Av 2 cov neeg siv kom khiav nyob rau hauv DirectX 11 hom tshuab txais 4hAA thiab siab tshaj plaws cov duab zoo chaw. Lub Radeon 6970 muab ib tug nruab nrab ntawm 77 ib tug / c nyob rau hauv kev daws teeb meem ntawm 1920 x 1200, ua rau nws xwb ib tug 10% sai dua tus HD 5870. paub ntau ntxiv tseem, HD 6970 muaj pov thawj yuav tsum tau 21% qeeb qeeb tshaj li nws lub ntsiab competitor, lub GTX 570. Lwm yam kim kim qauv dhau deb tom qab. HD 5970 yog 23% sai dua lub 6970-th qauv, thiab cov GTX 580 yog ib tug 33 feem pua zoo dua. Av 2 yog tsis hlub leejtwg li mus HD 6970.

F1 2010

Qhov kev ua si nrog rau cov thawj hloov tshiab tuaj ib tug zoo built-nyob rau hauv kev xeem hais tias meej ntsuas kev kawm ntawm lub card. Cov neeg siv tej F1 2010 nyob rau hauv DirectX 11 hom nrog 8xMSAA thiab zoo tshaj plaws nrig txog kev pom cov chaw. Nws yuav tsum tau muab sau tseg hais tias lawv tsis tau mus ua hauj lwm kom zoo nrog rau qhov tseeb crossfire tsav tsheb, li ntawd, HD 6970 thiab yuav tsis tau ua ntej. F1 2010 tau yog tsis xav tsis thoob, vim HD 6970 - lub thib ob ceev tshaj graphics card, uas tau raug kuaj nyob rau hauv ib tug daws teeb meem ntawm 1920 x 1200, uas yog tsuas 9% qeeb qeeb tshaj tus GTX 580. haib graphics card HD 6970 tsuas 5% zoo tshaj rau 5870-th qauv. Tau nyob rau hauv qhov kev ua si yog tseem muaj ib tug me ntsis txawv txawv, t. Yuav kom. HD 6970 ua ntej ntawm lub GTX 570 nrog ib tug pov paj tau paj ntawm 22%.

BLUE: Niaj hnub nimno tsovrog 2

Yuav kom ntsuam xyuas kev kawm ntawm lub graphics card nyob rau hauv qhov kev ua si, cov neeg siv tau siv Fraps daim ntawv thov. Maximum kev ua si zoo chaw nrog 4hAA thiab 60-thib ob cov ntaubntawv povthawj siv gameplay. Qhov xeem no yog Radeon 6970 zaub refresh tus nqi twb pom yuav 73 f / s, uas yog 1 mus / los ntawm GTX 480. Qhov no zoo dua approximates rau kev ua tau zoo GTX 570 (74 f / s) thiab 16% hauv qab no tus ceev GTX 580. Piv nrog dual Radeon HD 5970, 6970-kuv qauv yog 19% qeeb qeeb, txawm hais tias nws muab ib tug nqi ntawm 30% ntawm tus ntas ntau dua qhov HD 5870.

BLUE: Dub Ops

Fraps kuj pab tsim ib tug sib piv tsom xam ntawm lub tib neeg uas ua qhov kev ua si. Cov neeg siv ncej nqi ntsuas tshaj 1 min gameplay thawj zaug xwb txheej (lag luam 40) nrog lub siab tshaj plaws yeeb yam zoo, xws li 4hAA. Dub Ops Cov kev tshwm sim pom tias lub Radeon 6970 qab lub GTX 570 los ntawm 5% thiab 13% - los ntawm lub GTX 580. Thaum nruab nrab 105 mus / nrog nyob rau hauv ib tug daws teeb meem ntawm 1920 x 1200, thiab siab tshaj plaws chaw nyob rau hauv txhua rooj plaub tseem chav rau kev txhim kho, cov qauv outperforms nws precursor los ntawm 24%.

zog noj

Piv rau tus HD 5870, kuv-6970 qauv siv li 16.5% ntau lub hwj chim, tab sis, muab hais tias nws tseem yog 24% sai, tus tswv nrhiav tau hais tias nyob rau hauv kev nws yog ntau graphics kev kawm. Piv rau tus HD 5970, 6970-Kuv qauv los ntawm 3% ntau yig, tab sis qhov nruab nrab yog qeeb qeeb los ntawm 15% thiab los ntawm 26% nyob rau hauv Crysis Warehead kev ua si, uas yog siv nyob rau hauv txoj kev nyuaj siab kev kuaj. Radeon HD 6970 kov kwv yees li tib yam nqi zog raws li GTX 570, haus ntau tshaj 1% nyob rau hauv huab loads thiab tsawg tshaj li 4% ntawm kaw. Muab hais tias ob graphics phaib muab cov kev kawm ntawv tib, lub sij hawm no nws nkawd hais tias lawv yog Attendance matched.

Cov cua kub kub

Rau cov neeg siv cov tswv yim, HD 6970 yuav heev kub thaum lub sij hawm muaj kev nyuaj siab kev soj ntsuam nyob rau hauv FurMark, xeeb 90 ° C, uas yog me ntsis saum toj no 87 ° C Model HD 5870. Video GeForce GTX 570, rau lwm cov tes, tsuas yog rhuab mus 81 ° C, ua rau nws ho txias rau siab kawg loads.

overclocking

Catalyst Control Vaj Huam Sib Luag Control vaj huam sib luag txwv lub siab tshaj plaws cov tub ntxhais zaus ntawm 950 MHz ib tug nqi uas Radeon HD 6970 tau txais tsis muaj teeb meem. Qhov no yog nej ib tug dlej daim duab. Lub cim xeeb zaus tej zaum yuav mus txog 1450 MHz, Txawm hais tias cov neeg siv nyob rau tib lub sij hawm ntsib nrog qhov teeb meem ntawm stability thiab yuam kom thim rov qab rau 1440 MHz. Qhov no 8 feem pua acceleration kev ua tau zoo yuav ua rau ib qho kev nce ntawm 7.6% thaum kuaj nyob rau hauv qhov kev ua si BLUE: Dub Ops, 7,8% - nyob rau hauv Crysis warhead thiab 7%, - nyob rau hauv Battlefield Phem tuam txhab 2.

xaus

Nws nkawd hais tias lub HD 6900 thiab GTX 500 rov txhua lwm yam. Nrog ib tug ob peb tseem ceeb sib txawv, ntawm chav kawm. NVIDIA khoom nyob rau hauv kev ua lag luam nyob rau hauv lub sij hawm thiab muaj pov thawj yuav tsum tau zoo heev nyob rau hauv lub confrontation nrog rival AMD qauv. GeForce GTX 480 yog tus ceev tshaj plaws ib leeg-processor graphics card, cov GTX 580 thiab muab khaws cia tseg lub crown raws li nws yog ib yam nkaus thiab ntau ntau rau cov Radeon 6970. Tus nqi sau raws nkaus Ii rau tus nqi ntawm cov qauv GTX 570, thiab niche 580th ranked HD 6950. Tsuas thaum pib ntawm lub xyoo tom ntej, AMD muaj ib lub caij nyoog rov qab mus Statement superiority nyob rau hauv kev ua tau zoo ntawm kev uas tso 2 HD 6990 series cards, codenamed Antilles.

Radeon HD 6970 mus tes hauv tes nrog cov GTX 570, thiab pom zoo khw muag khoom nqi rau daim ntawv no tau raug teem rau ntawm $ 369, thaum lub sij hawm GTX 570 rau debut ntawm $ 349. Txawm tias muaj tseeb hais tias cov no yog cov ob tug heev txawv qauv, lawv qhia tias cov tib nruab nrab kawm nyob rau hauv ntau ua si, xeem neeg siv nyob rau hauv ib tug daws teeb meem ntawm 1920 x 1200. Rau feem ntau feem sib txawv yog heev me me. Radeon 6970 nyob rau hauv tej rooj plaub yog 20% sai dua lub GTX 570, thiab nyob rau hauv lwm tus neeg - txog 20% qeeb qeeb. Zog noj ob cards yog tseem heev nyob ze, uas qhia zoo xws li cov theem ntawm ua hauj lwm efficiency. Yog li ntawd, lub HD 6970 yog ib tug zoo lwm txoj rau lub GTX 570. Cov kev xaiv ntawm ob cards yog tsis yooj yim, tab sis txoj cai yuav tsum tau yam tshuaj, muab lawv cov nqi thiab kev kawm ntawv.

Piv nrog rau lwm cov qauv, xws li cov GTX 580, 6970-kuv yog nyob rau hauv nruab nrab 15% qeeb qeeb, tab sis nws yog ib tug nqi 30% luv nqi, raws li zoo raws li lub GTX 570, uas muaj ib tug txawm zoo nqi. Card, uas zoo tau ntau xyoo qhov HD 6970 - yog lub HD 5870. Nyob rau lub hauv paus ntawm cov ntaub ntawv nyob rau hauv kev daws teeb meem ntawm 1920 x 1200 yuav tau hais tias lub HD 6970 yog 24% sai, thiab tsuas yog 10% ntau kim nyob rau nruab nrab. Nyob rau hauv tas li ntawd, cov qauv zog efficiency tau kuj tau zoo tuaj. Nce zog noj los ntawm 16% muab ib tug ntxiv 24% kev kawm. Nws yog ib nqi sau cia hais tias lub Radeon 6970 zoo li ib me ntsis zoo dua cov GTX 570 nyob rau hauv kev ua si Stalker: Hu rau cov Pripyat thiab Aliens vs. Predator, uas siv tessellation. Ua ntej mus rau nws kev taw qhia, NVIDIA tau muaj ib tug tseem ceeb kom zoo dua no.

Zuag qhia tag nrho, ob lub graphics card muab ib qho exceptional theem ntawm kev ua tau zoo thiab muaj nuj nqis, ua cov kev xaiv ntawm ob nyob rau tib lub sij hawm ib qho yooj yim thiab complex. Tiam sis tej kev txiav txim siab yuav tsum muaj tseeb.