ATI Radeon HD 4850: Iimpawu, iimpawu kunye nohlolo

Ufanele enye namafutha imizobo 8800GTS GeForce kunye GeGorce 9800GTX ukusuka NVidia ukusuka umlimi waseKhanada edume ngo-2008 yaba HD ATI Radeon 4850. Le iadaptha mifanekiso iinkcukacha Technical ngokoqobo ayahlukanga kontanga yayo ngqo, kwaye iindleko kube incinane kakhulu. Ngenxa yoko, inkampani Nvidia wanyanzeleka ukuba kwakhona umgaqo-nkqubo wayo amaxabiso ukwenza iimveliso afikeleleke kakhulu. Ngenxa yoko, abathengi banethuba kuthenga ikhadi yemizobo enamandla ngexabiso elifikelelekayo kakhulu ukususela ATI, kwaye ukusuka NVidia.

Background imveliso

Emva kokuba uphume manqaku ikhadi yemizobo Radeon HD 3000 inkampani waseKhanada ATI yiminyaka phantse enye enesiqingatha akazange ukungenisa iimveliso ezihlaziyiweyo. Kuba kokunqumama wawuzisa kwintlekele yoqoqosho ngo-2007, yaye ngenxa yoko, kunciphise kakhulu imfuno izisombululo graphics yokusebenza. Ekugqibeleni, abanini ezindala kwanyanzeleka ukuba athengise umphuhlisi yesibini ngobukhulu kunye nabavelisi zevidiyo iitshiphusi, kwaye wenza njengoko umthengi, AMD. Yaba kule yomtshangatshangiso, ndaqalisa ukuthengisa ATI Radeon HD 4850 kunye uguqulelo nemveliso ngakumbi isicombululo - le HD4870. Iindleko on background okhuphisana ngqo kweminquba "green" ziye aphantsi phantsi izinga lokusebenza kwizicelo ezininzi - twatse.

Kwi-chip ividiyo card ukuba ebisasebenza ATI Radeon HD 4850. logo udriver "kuvala" series kwakhona soqobo ibinaso le logo ye yomvelisi waseKhanada. Kodwa ke, njengoko le uhlaziyo lwesoftwe, kuye kwafakwa AMD. Ngenxa yoko, kwixesha elizayo, le mveliso sele kwaziwa HD Radeon 4850 AMD kaThixo.

izisombululo niche

ATI Radeon HD 4850 sele eyakhelwe ngokwesiseko omnye kakhulu elinemveliso semiconductor GPU 2008. Ngako oko, iinkcukacha wayevunyelwa ngelo xesha ukucombulula phantse nayiphi na ingxaki. Ngenxa yoko, kuye kwanikelwa ingqalelo ukusetyenziswa ubume loyena yokudlala computer ixesha, okanye iikhompyutha imizobo. isondlo, isenokuba nenxaxheba ekwakhiweni kunye workstations okanye multimedia PC, kodwa kule meko ubukhulu balo ayisetyenziswa ngokupheleleyo, kwaye le ndlela esuka kwindawo kwezoqoqosho imbono akazange zizizathu ngokupheleleyo. Kuba ndlela iimveliso ezingasebenziseki kakuhle zinikwa ngexabiso eliphantsi.

iinketho

Amacandelo kule mveliso ngolu hlobo lulandelayo:

• Ikhadi ngokwayo efakiweyo injini.

• Yemiyalezo, ikhadi iwaranti longeziweyo.

• CD-ROM izinikezelo, umqhubi kunye nenye isoftwe okhethekileyo.

Ezinye abavelisi ukukhuthaza ngakumbi yokuthengisa imveliso indawo ibhokisi yesiqhelo yekhadibhodi kwi intsimbi ethwele icala. Oku kukhomba premium lwendalo yayo. nokusasazwa Greater lo mkhuba akakakwamkeli, kodwa into yokuba kusafuneka ukuba uqaphele.

zindlela ukusebenza

indlela esisiseko nokusebenza imveliso - into sekhadi njengenxalenye ye-PC. Kodwa lo isisombululo ikwaxhasa ATI nobuchwepheshe obuphuma ebizwa ngokuba "crossfire." kubume bayo usendleleni yokuba kwiindawo zokubeka eziliqela format PCI Express '16x' ebekwe ezininzi namafutha yemizobo (ngokuqhelekileyo kule meko-2 okanye ezi-3). ngakumbi ukuba uqhagamshele kwenye nenye amaqhoshana ezikhethekileyo. Ngenxa ukuhluzwa ulwazi graphic kwabelwana phakathi accelerators imizobo ezininzi, kwaye kusenokwenzeka ukuba ufumane ukwanda okubonakalayo isantya.

namafutha iparameters graphics

Ikhowudi igama chip, ngumbindi wale Radeon HD 4850 ATI, - RV770 index PRO. Kuye kwenziwe inkqubo 55 NM technology, ngelo xesha engcono. Kule chip semiconductor million 956 elements transistor ziye isicelo. Umqulu ubushushu kule meko wayelingana Watts 110. Inani iziqhubekisi xa kuthelekiswa nezizukulwanza zangaphambili ezimbini amakhadi banda izihlandlo ezingaphezu kwama-2 kumaqhekeza-320 ukuya 800. Yiyo le sisombululo zobunjineli ukuba ngokuphawulekayo ukwandisa isantya chip. Kwakhona, lo sesakhiwo ezi iziqhubekisi sele ngokutsha.

Ingongoma yesibini - ukwandisa inani leeyunithi texture ukususela nge-16 ukuya 40 Ke inani iibhloko ROP (imisebenzi rasterization) akawatshintshi kwaye usahleli ungu-16 Memory bandwidth wayelingana kulo mzekelo, 64 Gb / s. Zombini ngokwayo sele elungele ukusebenza kunye ibhasi PCI Express 2.0 indlela. Uyakwazi ukusebenzisa oko xa kukho indlela 1.0, kodwa kuya kunciphisa isantya. Kodwa motherboard ngenkxaso 3.0 "yebhotile" kuya kuba namafutha mifanekiso. Ngoko ke, lo msebenzi ikhangeleka namafutha yemizobo kangangoko kule nkalo libambisene kunye motherboard, okusebenzayo ngokungqongqo e PCI Express imo v. 2.0.

memory

Ngu ukusetyenziswa standard chips RAM GDDR3 wayevalelwe ATI Radeon HD 4850. 512Mb - kuba sisixa RAM uyakwazi kaninzi kungafunyanwa ngokudibene ne-chip. Ngokuphawulekayo iinguqulelo azixhaphakanga eliphezulu kakhulu kwesi sigqibo, esele sigqityiwe 1 GB of RAM. Bit memory ibhasi na kule meko yaba into eqinileyo, nkqu ngemilinganiselo namhlanje 256 ziintanda.

Twatse parameters na amakhadi yemizobo abadala le layini - HD 4870. Kodwa loo nto nje uhlobo memory kulo mzekelo sele kade GDDR5. Oku kwenza kube lula ukufumana ephezulu ngezantya Ikloko amanqanaba entsebenzo kwinkumbulo. Thelekisa i HD 4850 eli xabiso yaba MHz 2000 kuphela, lo gama i-HD 4870 - 3600 MHz.

umqhubi

Imeko nzima ekuqaleni yentengiso nje umqhubi. Kuyabonakala ukuba, badwelisi benkqubo Canadian Andinaxesha awabuyise kwimfezeko, kwaye ngenxa yoko kukho iimpazamo ezahlukeneyo befuna zokudlala run PC kunye ATI Radeon HD 4850. Umqhubi nayo iye yaba lula ngakumbi, yaye zonke ezi iziphako ezichongiweyo basuswe. Kulo mzekelo, i-logo ATI kwi software kubekwa AMD. ukulungisa nezinto ezinjalo, kuba umsebenzisi ingxelo, ngaphandle kokuba ukusebenza iyizinzise kwezo amaqhoshana imizobo. Kwaye zonke iinguqulelo ezinkulu kwindlela yokusebenza "windose" ngelo xesha - XP "Vista" yaye "7". Kaloku, lo isuntswana indlela software kwakhona kulo mzekelo, akusekho ludlala indima engundoqo, kwaye sibekwe phezu bit-32 iinguqulelo OS, okanye kwi-bit 64.

Imeko ne kukukhawuleziswa

amandla Overclocking kule chip semiconductor kwakunzima elungileyo. Kodwa ukwenza ukusebenza loo kwakuyimfuneko kukuxhobisa PC umbane enamandla (hayi ngaphantsi kwe-750 W). Kwakhona, namafutha yemizobo kufuneka ixhotyiswe kunye nenkqubo olupholisa phambili. Ngoko ke namakhadi isinki nobushushu isixando kunye nenkqubo nesiseko okupholisa kucetyiswa ukuba overclock. Neemveliso kuphela iseti lokushishina Iicooler zibe phantsi kule nkqubo. Ngenxa yoko, usebenzisa eluncedo ATI Overdrive inokufumaneka endaweni yee-625 MHz (ukuba chip indlela yemizobo) kunye 2000 MHz (kuba RAM) kokubonisa 685 MHz ne 2150 MHz, ngokulandelelana. Le Isantya 8-9 ekhulwini olongezelelweyo. Ngakumbi ngcono namafutha loo Yayingekho. Ngokusisiseko, ukuba boyise umda we-700 MHz, le namafutha sele okhuphisana ngqo omdala imodeli HD 4870. Ukususela kwinqanaba Ngenxa lokwaziswa kwimeko enjalo nje ayamkelekanga.

Akhuphisanayo imveliso kwi indawo uphuma

ATI Radeon HD ikhadi 4850 nemizobo ngexesha iphumile, njengoko kuphawulwe ngaphambili, waye okhuphisanayo ngqo iimveliso ezimbini ukusuka NVidia. Le GeForce 8800GTS kunye GeForce 9800GTX. Kwimeko yokuqala, lo ubo phakathi iimveliso Bobabini ixabiso kunye nokusebenza. Ke for speed kwafumaniseka ukuba ube bhetele ngakumbi imveliso evela ATI. Kodwa ikwindlela yokuchola eqhelekileyo. Kwimeko sisombululo lunikezelo NVidia lisisiqalo ezingekenziwa yaye maxa wambi kuqhume phambi. Kodwa GeForce 9800GTX kuqwalaselwa iinkcukacha zalo zobugcisa zaba yimpumelelo ngakumbi accelerators imizobo, yaye ngenxa yoko, zibiza kakhulu. Umahluko isantya 7-10 ekhulwini, nto leyo nokuba overclocking akavumeli imbuyekezo.

Imeko kwiimvavanyo zokwenziwa

Kwimo eqhelekileyo HD 4850 ngo MARK PC eyenziweyo 2006 uvavanyo inika amanqaku 12.200. Ukuba overclocked ukuba ezitsho kunye 685MGts 2150MGts ngokulandelelana, kusenokwenzeka ukuba ufumane amanye amanqaku eliwaka. Ngenxa yokusebenza kwalo kule meko iya kuvavanywa kwangethuba kangangoko amanqaku 13.200. Kwelinye icala, GeForce 880GTS kulo mzekelo, nkqu kwinguqulelo esisiseko sele inika amanqaku 13.500. Kaloku, ukuba nalo overclocked ukuya 820MGts / 1890MGts, ukuba sele ifumene amanqaku 15,000. Ngenxa yoko, umxube uvavanyo eyenziweyo evela kumenzi "green" ibonakala ngcono. Kodwa owona msebenzi kwezi ngongoma virtual badla ngokuba abazalani. La maxabiso ukubonisa kuphela iqondo eliphezulu software noun. Kulo mzekelo, umqhubi kwikhadi yemizobo ATI Radeon HD 4850 yinto "itshixiwe phezulu" kolu vavanyo.

Amathuba imidlalo belo xesha

imeko ngokupheleleyo ezahlukeneyo kunye izicelo yokudlala ngokwemigaqo yokusebenza na umgca imveliso ATI Radeon HD 4850 Series. Umqhubi kulo mzekelo sele musani zidlala indima ebaluleke enjalo.

Makhe siqale kwenyikima Utshaba Territory War. Kulo mdlalo, intsebenzo kwakhona kwethu hero likufikela nokuba 9800GTX. I-HD 4850 linani output imifanekiso ngomzuzu ilingana no 86. Naye, 9800GTX, eli xabiso ngu 81, lo gama 8800GTS - zonke 71 la manani zisebenza indlela 1680 x 1050. Ngenxa yokwanda engafumanekiyo ukuya ku 1920 × 1200 kuqhubeka, kunye nezalathisi ziya kuba abe ngokulandelelana 72, 66 no-58.

Le meko ifana ne "Ubomi Isiqingatha 2". Kuba ixabiso imo kuqala iya kulingana 111, 103 no-89, yaye ngenxa yesibini - 88, 82 no-71 zatshintsha kancinane ulawulo imeko Perseus Igunya. Ngoko ke inkokheli kuya isisombululo 9800GTX zalathisi 184 (for 1680 x 1050) kunye 149 (for 1920 x 1200). Iimpawu HD 4850 ezi 162 no 127 ngokulandelelana. Kaloku, 8800GTS phantse ngokulinganayo - 157 no 129.

Ifana kakhulu kunye Call of Duty 4. Kule meko amaxabiso Ndikulinganise 9800GTX 82 no-72 ukwenzela HD 4850 - 79 no-67, yaye ngenxa 8800GTS - 72 no 62. Umahluko phakathi kwindawo yokuqala neyesibini kulo mzekelo, kungabalulekanga ngokwemigaqo yokusebenza , kodwa ixabiso ke zahluke kakhulu.

Xa Tournament yenzeka 3 kwakhona imeko utshintsha kakhulu. Leader kwakhona abe HD 4850 zalathisi 121 (for 1680 x 1050) kunye 97 (ngokuba 1920 x 1200). Indawo yesibini - 9800GTX c izikhombisi 117 no 92. Le yokugqibela - 8800GTS kunye 102 nama-80 ngokulandelelanayo.

A intsingiselo efanayo yaqhubeka ezininzi izicelo okudlala. Amaninzi kokwanda HD 4850, nangona kancinane kuphela, umntu okhuphisana yayo ngqo kwi ebusweni 9800GTX. Ngaphezu koko, lilo eligcine ezi meko lwecomputer-70 ekhulwini. Kodwa i-30% oko wayesele 9800GTX inkokeli. Kodwa ke, kufanele kuphawulwe ukuba umahluko akazange Ubaluleke kakhulu. Xa chip lenziwa 9800GTX lixesha ngexesha inkqubo yobugcisa (65 NM) yaye nobushushu ephakamileyo (156 Watts). Kubonakala ukuba yokuthenga uyakukhetha ngakumbi ngelo xesha HD nje 4850.

uyilo olulodwa kule khadi

Iinjineli ngelo xesha kusekho ngumvelisi eKhanada kwiziphumo ezifunyenwe wagqiba ekubeni ayeke. Zalenza a ukuguqulwa phambili ngakumbi namafutha - ATI Radeon HD 4850 X2. Isimaphambili X2 point isibakala sokuba lo ombaxa-GPU card mifanekiso. Ngako oko, kuba nee-injini oluphuculiweyo, kunye neenkcukacha zawo zobugcisa, nangoku bakwazi ukucombulula iingxaki ezininzi. Kwakhona kwi iimveliso ezinjalo ekhoyo mandatory 1 GB of RAM. Ixabiso namafutha enjalo lubiza kakhulu ngakumbi. Ekuphela ezimbi ukuba okokuqala emva kokuqalisa kwentengiso, - embi software noun. Asingabo bonke zokudlala "like" yaqalisa. Kodwa uhlaziyo ngakumbi lenjineli zezixhobo zecomputer evela AMD ethandile wagqiba lo mba.

iindleko

Kakhulu, kwizinga eliphezulu kakhulu wajika ATI Radeon HD 4850. Iinkcukacha oko umxhelo ngokwenene, kwaye iziphumo zovavanyo zibonisa ngesantya esiphezulu. Ngenxa yoko, imveliso ayide ikwazi lungabizi nolufikelelekayo. Kodwa kwimeko enzima kakhulu kwezoqoqosho, ATI ikwazile ukugcina imali eseleyo yexabiso kunye nokusebenza usondeze namafutha ngexabiso wedemokrasi $ 199. Kodwa lo ukuguqulwa usisiseko njalo kakhulu. Kamva kwakukho iinguqulelo ezininzi phambili, iindleko ezinokuthi kufikelela-320 zeerandi. Kodwa kulo mzekelo, umsebenzisi ifumana oluphuculiweyo isisombululo kunye kumgxobhozo ubushushu umgangatho ophezulu kunye ezitsho eliphezulu. Kwakhona, xa lo ithuba, nangona kancinane, overclocking namafutha imizobo.

reviews

Le ethile engundoqo zonke izisombululo umgca ATI Radeon HD 4850 Series waba software buthathaka. Lidla umqhubi imveliso kukhokelele kwinto yokuba amanye ivideo imidlalo ayidli wasebenza hardware efanayo. Ezi "outliers" ukusuka emdlalweni, yaye "ukuqanda", kwaye ukuvela 'abamnyama' ikhusi, nangona ikhompyutha wasebenza emihle. Oku kuchaziwe kwi ukubuyekeza kwabamnini beepropati i namafutha enjalo. Kodwa ke, njengoko uhlaziye isoftwe, zonke iingxaki ziye zisonjululwe, kwaye kwixesha elizayo akukho ngxaki kwavela kunye Radeon HD 4850 ATI.

Windows 7 umqhubi iphuhliswe ngendlela efanayo. Kungekudala kwathiwa thaca ibandla 'ekrwada "kunye neengxaki ezithile, nto leyo ke ezase iinjineli AMD bafezeke. Inzuzo ephambili yale mveliso yaba umlinganiselo "ixabiso / yokusebenza". Xa iindleko-199 zeerandi, le mveliso nga ukukhuphisana phantse ngokulinganayo 8800GTS GeForce ebiza okanye nkqu 9800GTX GeForce.

iziphumo

Naluphi na utshintsho sokulwela inguqu epheleleyo niche of accelerators iigrafiki azikho usazisa HD Radeon 4850 ATI kunye nomntakwabo omdala ebusweni HD 4870. Olu tshintsho yokuzivelela i besizukulwana sangaphambili iimveliso, nangona processing technical parameters ezinkulu yesigqibo. Kodwa ukuvela ezi izisombululo kwi ipremiyamu ceke, "wanikina okhuphisanayo inkampani» ATI engqalileyo - NVidia. Ngenxa yoko, yokugqibela kwakhona umgaqo-nkqubo wayo amaxabiso nciphisa ngokubaluleka kweendleko accelerators kwemizobo ingxenye. Oku kuza kuzuza kuphela umsebenzisi lokugqibela lowo ithuba lokufumana isisombululo kakuhle kwi ngexabiso eliphantsi. Kwaye nokuba ukukhetha ikhadi imizobo, okanye kwinkampu "red" (oko kukuthi, ATI / AMD), okanye "green» (NVidia).