Le Radeon 7770: iimpawu kunye nohlaziyo

yemizobo Game iadaptha "ngasixhenxe ezintathu" ukususela AMD ekuweveni bonke abalandeli ukudlala kule midlalo olutshintshatshintshayo resource-olunzulu. Ngokusungula Radeon 7770, umenzi wenze inyathelo elikhulu ukuya ibe abathengi - wanika High-Isiphelo yeklasi isixhobo ixabiso ezifikelelekayo (8000 engange) kwaye ibekwe kwi niche mali namafutha, kancinane umda ukusebenza kwayo. Ugxininiso inqaku - ngohlaziyo komsebenzi ikhadi levidiyo, izifundo yemveliso kbavelisi ezahlukeneyo, kunye nohlaziyo wabanini.

Abazalwana ababini-Acrobat

AMD Radeon ikhadi yemizobo HD 7770 Series waya yokuthengisa, kunye udeshevlonnoy yakhe loguqulelo HD 7750. Umvelisi wayefuna, ngoko kunye GPU olunye ukuthatha ezimbini iklasi ixabiso ezahlukeneyo. Noko ke, kukho umahluko omkhulu ekwenzeni amakhadi amabini yemizobo umahluko encinane kwexabiso kuye kwakhokelela ekubeni ukuba ukuguqulwa cheap phantse akanayo kwemfuno emarikeni.

Kwaye ke HD Radeon 7770 angaya kuyaqapheleka ukuba kungekhona ngenxa abenzi ikhadi levidiyo, owabona amandla enkulu isixhobo ngenxa ukukhawulezisa, kwandisa kakhulu ukusebenza yevidiyo, lwalizisa kwinqanaba High-End. power ephantsi injini endilisekileyo njengesiqhelo kuyaphula iirekhodi ezintsha entsimini imalike yemali kungakhathaliseki engundoqo yemizobo nomakhi.

iimpawu technical

ukusebenza High card yemizobo okudlala inika Radeon HD 7770 engundoqo graphics iimpawu. Chip yenziwa yi-Cape Verde inkqubo kungamampunge 28 nanometer kwaye kubeka elibonakayo 123 mm ² kunye transistors billion enesiqingatha. Iprosesa yemizobo ezintsha ikwazi ekusebenzeni rhoqo 1 GHz kwi, kwaye usatsho nangoku inamandla lisasazwe. Kuba ukudluliswa kwedatha ingqinelana kwimemori ibhasi GDDR5, noqhuba enesakhono 128 amasuntswana kwaye kwibhodi 1 gigabytes of inkumbulo, eqhuba rhoqo ka 4500 MHz e. Stream iprosesa 640, iiyunithi ukuguda noburhabaxa - 40.

Enye yezona iinkalo ziphambili eli khadi vidiyo ukusetyenziswa kwamandla eliphantsi - 80 watts kwincopho imithwalo ukuba okungenani ihafu ubungakanani sikhuphisana ezifanayo umvelisi Nvidia. Kwakhona e Cape Verde chip imvelaphi inyuselwa umlawuli leyo licwangcisa ukuya kumaza ubuncinane kwi amakhadi yokuzonwabisa bengasebenzi. Kwiimeko ezinjalo, ukusetyenziswa mbane kuya kuba malunga 3 watts.

Nolwazi original

ikhadi yemizobo bangaphandle AMD Radeon HD 7770 ufana isixhobo top. Ukuguqulwa isicelo kwiindawo zokubeka ezimbini kwinkqubo unit, kunye istili zokhuseleko unalo komoya PCB injini ngqo. Ngokubanzi, kubonakala ukuba ikhadi levidiyo kunye yezindlu olubandayo of zokwakha qela liphikisayo. Kodwa ke, njengoko kuboniswe ncomo yakhe, abasebenzisi babuza ifeni yokupholisa kukuba kwi istili evaliweyo ifakwa phakathi ebhodini kwaye asinayo injini - nje uvuthuza kwi radiator. Kwaziswa umoya elibaselwe ngumoji negalelo elikhulu umoya grille, emi lonke icandelo elinye lokubopha nembasa.

Nayiphi na imibuzo kumenzi abanini ngamagosa okubeka esweni iimviwo yakudala, leyo zifumaneka kwi ikhadi yemizobo kuphela ividiyo iziphumo digital (kuba DisplayPort mini, uqhagamshelwano lwetshiphu emsebenzi kunye DVI). Ubunono isigqibo maker engaqhelekanga yancitshiswa ngokucacileyo umdla ikhadi levidiyo kwi kwimarike computer Russian.

Okungabangela mveliso overclocking

Ngaphambi kokuqalisa ukufundisisa izixhobo ezinikwe ngamanye abenzi kwimarike card yemizobo, kufuneka uqonde izakhono zobugcisa reference ikhadi levidiyo Radeon HD 7770. Iinkcukacha ukwandisa isantya undoqo yemizobo apha kwindawo yokuqala. Ngoko, kule nkqubo kokuvavanywa ikhadi ividiyo sakwazi overclock kumqhubekekisi yemizobo ukuya 1170 MHz, kunye memory - ukuya ku 6120 MHz. Ngenxa yoko ke, kubalulekile ukuba ukukhulisa ombane ukusuka 1.1 V ukuya 1,2 V. ke imo ikhadi levidiyo ebonisa uzinzo eliphezulu ngaphandle inkangeleko zakudala kunye neengxaki abaqhubi.

Imibuzo umsebenzisi usenokudibana inkqubo sokupholisa umlinganiselo abakwazi ukumelana umsebenzi. Ngexesha lokulingwa, nesandi fan lugubungela ngokupheleleyo umsebenzi zonke Iicooler kwinkqubo unit, kodwa iqondo lobushushu engundoqo yemizobo ezinamazinga ngaphantsi kwe-70 Celsius nje lehla. Ngokususela kwidatha, kunokwenziwa isigqibo sokuba ukhetho eyimfuneko iinketho ikhadi graphics wanyusa ezivenkileni kufuneka kugxininisa kuphela kwi overclocking kodwa injini ephucukileyo ezinokwenzeka.

Offer bodwa

Le Radeon HD 7770 kwimarike phantsi Sapphire logo, ibe ngumba kakhulu ukuba umthengisi eliphezulu kwingongoma nganye "ixabiso-esemgangathweni." Inyaniso ukuba ibekwe kwi abangakwaziyo ezifikelelekayo, abathengi abaninzi bezixhobo mali, kodwa mveliso overclocking intsebenzo ubeka ikhadi yemizobo kwi kumgangatho omnye izixhobo High-End. I core yemizobo engagqibekanga clocked ngo-1150 MHz, kwaye inkumbulo overclocked 5000 MHz.

Njengoko practice ibonisa, lo amathuba ifihlakeleyo emva ikhadi yemizobo inkqubo ukupholisa epheleleyo, leyo ifakelwe kwilebhu Sapphire. Loo nto ngenxa ukuya kwiradiyetha aluminiyam enkulu, nolwenzelwa yonke ibhodi wesekethe eshicilelweyo, kunye iityhubhu transfer ubushushu ubhedu zabiwa ngokufanelekileyo bubushushu, ividiyo ikhadi akuthethi shushu ngokugqithisileyo. umoya ekujikelezeni kuqinisekisa olunzulu omnye fan ukuba imvelaphi inyuselwa khona ukusuka ngentla yabalindi.

overclockers

Ukuba abalandeli Sapphire ikhadi yemizobo version standard yokusebenza iza kubonakala kancinci, unako ukuthenga isixhobo enamandla kakhulu: Radeon HD 7770 umphunga-X GHz Edition OC. Ukuthobeka kule vidiyo ixabiso kuphela (8,000 engange), kodwa imbonakalo kunye neempawu ziya kusimangalise nkqu ngumthengi eyona inzima. Okokuqala, umise injini yobungcali. Kunjalo ibekwa phezu High-Isiphelo-izixhobo: aluminiyam, ikopolo, egumbini evaporator, ifeni eliphezulu-amandla ezimbini, inshorensi yokhuselo kunye kuvuthuza zemiyalelo.

Bathi yemizobo engundoqo frequency ngu 1100 MHz, kodwa inkqubo ixabiso isantya ngokulula landile ukuya 1190 MHz. Kodwa imemori kuneengxaki ezithile - isicwangciso mveliso clocked kwi 5200 MHz, kodwa lisasazwe ngaphezulu 5980 MHz ayikho ngqiqweni, xa Axhome nkqubo kwaye uqalise kwakhona ikhompyutha. Noko ke, le unikezelo kwanele ukuba kwiimvavanyo umdlalo kufutshane kakhulu ikhadi yemizobo isiphelo top- HD 6850.

"Frozen" unikele

Aziwa ehlabathini lonke YAKHE, oveza ikhadi ividiyo esekelwe kuphela kwi AMD chipsets kwakhona uyakholiswa Radeon ezintsha 7770. Iimpawu kwefowuni isiseko azikhange ngcono kwi umenzi fans, nangona inkqubo sokupholisa unenzondelelo utshintsho olukhulu, wayebhekisela ngokucacileyo kumnini amathuba Makhulu overclocking. Oku kwakhona kungqinwa ukufakelwa kwisigaba ezintlanu-yesekethe umbane kunye ukutshintshwa esisebenza PWM. Ngexesha lokulingwa, ukunyusa rhoqo engundoqo yemizobo ibonisa intsebenziswano ezinzileyo ngo-1210 MHz, kwaye memory ukumelana imisebenzi kwi-5780 MHz band.

Imbonakalo okupholisa inkqubo nangona yaye etsala ingqalelo ngokwayo, kodwa usondela kukho ethile ebonakalayo - radiator ukunamathela ngokupheleleyo kuphela core yemizobo. Awona macandelo eseleyo, kuquka inkumbulo iitshiphusi, kumfula umoya zingaphaphatheki. Ice Ukupholisa ikhadi levidiyo BAKHE 7770 IceQ X, afunwe izibhengezo nje amacebo okuthengisa.

impahla Consumer

Le Radeon 7770 umenzi Asus ithathwa le Wothenga wena kakuhle kwi izixhobo yokusebenza emarikeni. Le nto mveliso overclocked, oko kuxhomekeke ke isiqinisekiso lomthengisi. Le ezingundoqo yemizobo kwimo oluqhelekileyo clocked kwi 1170 MHz, kunye memory - 4600 MHz. iziphumo ezigqwesileyo. ukusebenza zokuphatha Further akanayo intsingiselo, nangona ezona zinto zifuneka kuqala injini eyenzelwe oku: a engundoqo sobhedu, aluminiyam kwiradiyetha, istili yeplastiki zokhuselo kunye fan elinye.

Kubalulekile ukuphawula ukuba eRashiya kukho umzekelo omnye ngaphezulu HD 7770 ikhadi yemizobo, nto leyo eye on-ibhodi-2 GB of RAM. Umenzi akazange musa overclock le GPU kunye nememori ibhasi, eshiya bayahlelwa umnini elizayo. Sokwehlisa ikhadi yemizobo idibane efana nenkqubo isixhobo ukupholisa lwangaphambili, nangona kunjalo, oku sele ifakwe nabalandeli ezimbini ezinamandla. Ngenxa yoko, yaba kukukhawuleziswa GPU uyayazi eziya kwi-frequency 1200 MHz, kunye nememori isebenza stably 5000 MHz.

Inkokeli imarike Taiwan

ikhadi levidiyo esekelwe Radeon 7770 elinye okanye amabini gigabytes kwinkumbulo kwi ngexabiso elifanayo thaca emarikeni Gigabyte inkampani eTaiwan. Eyakha zombini iifowuni liye landa amaza GPU, ehleli kwi 1100 MHz, yaye yaphakamisa frequency memory ukuya 5000 MHz. Kwathi kanti, ukukhawulezisa okuphambili ukuchitha engenanjongo, yonke ingxaki ilele kwinkqubo olupholisa yokuqala.

Rhoqo ubungakanani aluminium kwiradiyetha ye engundoqo yemizobo akakwazi ngokucacileyo ukuba bamelane PCB fan oluncediswa ephucukileyo. Abasebenzisi abaninzi, ngokutsho ukubuyekeza kwabo, ecinga ukuba liphole lathathwa isixhobo Phantsi Isiphelo-, ubuncinane, ukusebenza kwakuso. esasingayilindelanga kwi Gigabyte kwimarike yokudlala eyenziwe elebhu.

Adi evela MSI

Le Radeon 7770, MSI thaca umenzi ezaziwayo-kakuhle kwimarike Russian, ikhangeleka ngathi isixhobo obuphezulu. Ezimbini fan enkulu iqokobhe radiator ngokucacileyo uya kukuvuyela bonke abanokuba ngabathengi. Nangona kunjalo, akukho mfuneko mandikhawulezise phezulu, kuba inkampani iye yagqiba ukuba enye indlela: endaweni ugqatso ukusebenza wamphosa iteknoloji ukoyisa uxolo msebenzi. Kwaye ukuba nako 100%, ngenxa yokuba iimvavanyo kunye izixhobo ezifanayo hum abalandeli naxa umthwalo eliyincopho ayidluli 26 dB (ukuzola ngaphezu ingxolo eyayisuka kwesibandisi CPU standard).

Umenzi akazange enze kukukhawuleziswa nokunika iimveliso njengoko wakha AMD. Noko ke, oku akuthethi ukuba ungakhohlwa lumalunga nokwandisa imveliso. Graphic ukubonisa ikhadi ezingundoqo unako ukusebenza stably amaza 1100 MHz, kwaye inkumbulo kwi - 5200 MHz, elijongeka eyamkelekileyo kakhulu xa kuthelekiswa okhuphisana. Abanikazi bathi lungaba ukukhawulezisa lufumaneka, kodwa ingxaki - nesantya limiter ebandayo, ukuba uyayisusa, ungenza ngokukhuselekileyo ukuphucula intsebenzo ukuya ku-1200 MHz kwi engundoqo.

umdlali engaqhelekanga

inkampani PowerColor avulwe umbono yakhe chipset market AMD Radeon 7770. Enye inkangeleko nayiphi lomthengi kho iya kuba ngokwaneleyo ukuba baqonde yomvelisi mbono. eyenziwe Strange turbofan, nto leyo ifakiwe kwizixhobo ekhuphisana Nvidia phezulu, i ezizodwa ayenzi ukuvela. Ukuba ukhangela phantsi ukwesona, size ke thina singakwazi sonke kudaniswa kwi brand - omnye ubungakanani aluminiyam kwiradiyetha kweli candelo kunye engundoqo yemizobo ngokucacileyo abangele ukuzithemba yabathengi.

Ukuba ngenxa inkqubo sokupholisa yokunyusa kubakho mbuzo, ngoko ixabiso iyunithi le unayo nayiphi na imibuzo. yemizobo ixabiso lemarike card 9000 engange. Kuyinto igama lebrendi lubiza kangaka? Le ikhadi kuphela yemizobo ziyafumaneka izixhobo ezifanayo kwimarike esekelwe Radeon 7770, nto leyo kucetyiswa ukuba athenge bonke abasebenzisi. Umenzi Akwenziwa nto ukuba abe ngokulinganayo kunye kwimarike okhuphisana.

UPawulos

Njengoko kwakulindelekile, yintandane bonke abasebenzisi kwi lentengiso amakhadi yemizobo yemali - inkampani Sapphire kaThixo - kwakhona wanika abalandeli bayo ukumangala indlela yokusebenza yemizobo abangakwaziyo eliphantsi-cost - Radeon 7770. Proprietary Ukupholisa technology kunye nokuzaliswa inkqubo yolawulo yamandla negalelo kwimpumelelo imveliso eliphezulu imidlalo. amathuba ukukhawulezisa BAKHE kunye Asus - waziva ndlela ilungelo umsebenzisi ngohlobo ukuphuculwa kakhulu ebandakanya amacandelo amandla amalahle kwikhadi PCB. Ke ezinye iibrand, ngokwendlela nokubuyekezwa zabamnini, awuzange wenze umsebenzi wabo. Isimo engaqhelekanga ukuba abavelisi chip - elingaka, kodwa abakhetha nantoni na eyenye.