AMD Radeon HD 7770: iinkcukacha, izimvo, review

Budget card yemizobo HD 7770 ukusuka AMD uthathe isigqibo ngamandla inxaxheba kurhwebo lwasemakhaya, kuba ngomnye ambalwa elizifezekisayo iinqobo nexabiso kunye nomgangatho phakathi okhuphisana. ukusebenza High, amandla enkulu ukukhawulezisa kunye nokufumaneka ubugcisa bale mihla kwaoko nomdla amakhadi chip bonke abenzi kurhwebo lwehlabathi. Kweli nqaku, umfundi wayeqhelene iimpawu chip kunye nezixhobo ezisekelwe kuyo, yaye ngokutsha kwaye ingxelo iya kunceda abanini isigqibo malunga nokuthengwa bonke abasebenzisi.

iimpawu technical

Ngoko nangoko ke kubalulekile ukuqaphela ukuba namafutha yemizobo, AMD Radeon HD 7770 nguye ummeli kuphela kwiklasi mali, nto leyo mayixhotyiswe crossfire isinxibelelanisi. Oku kuthetha ukuba nabadlala nga babuthelane inkqubo kunokuba imveliso ngexabiso encinci. iimpawu chip zibe anemifanekiso, kodwa zikhona ezaneleyo yonke imidlalo mihla:

1. Cape Verde XT core graphics eyakhelwe kwi inkqubo 28-NM technology kunye kwindawo iprosesa ye ngemilimitha square 123. Inani transistors kwiqhezu - 1.5 billion. Amaza ongundoqo 1000 MHz.
2. Inani shader - 640 ngenxa rasterization uxanduva kwemali-16, kunye esisikhubekiso noburhabaxa iziqwenga-40.
3. Modern DDR5 memory ngaba inobunzima ka-1024 MB kwaye isebenza kunye bit-128 ibhasi malunga nezihlandlo ngempumelelo 4500 MHz.
4. Power ukusetyenziswa amakhadi yemizobo "Radeon" HD 7770 ayidluli 80 imithwalo watts kwincopho ngesantya ngegama of inkumbulo kunye GPU.

izixhobo Factory kunye nezixhobo

ummeli mali ka Radeon HD 7770 AMD ukuba imbonakalo yazo ngaphezulu njenge isixhobo mid-ngexabiso. Oku kungqinwa ifomu factor kwenkqubo PCB kunye olupholisa efakiweyo. ikhadi levidiyo ngokwayo uthi ukuba luthathe inxaxheba kule nkqubo nalapho izihlalo ezimbini. Kubalulekile ukuphawula ukuba umenzi akuthethi kubonelela ngemiyinge iimveliso zabo, ngokunika ngayo ilungelo lokuba amalungu abo - yemiyinge dumeke. Noko ke, kurhwebo lwehlabathi yinto yokuqala zisenako zingathengwa ukusuka ngomzi ogunyazisiweyo AMD.

Hayi umgaqo kakhulu ngokucacileyo umenzi ngokwemiqathango yevidiyo neziphumo kwibhodi yesiphaluka: kukho iziphumo ezine loqhakamshelwano izixhobo zedijithali kuphela (DVI, uqhagamshelwano lwetshiphu emsebenzi kunye DisplayPort isinxibelelanisi 2). Inxalenye yale ndawo yolawulo ukubonisa uphethe grille ukususa umoya oshushu. ikhadi yemizobo HD 7770 ukusetyenziswa awudluli watts 80, ngokulandelelana, kwanayo apho amaninzi ukusasaza ubushushu kunokuba akukho mbuzo. Ngoko ke amathandabuzo malunga nokusetyenziswa kwawo kakubi isithuba kwiqela lenjongo kwidispleyi.

Efihla ummeli mali?

Abasebenzisi ngokwendlela ncomo zabo kumajelo eendaba, omninzi kwemiba umvelisi ukufaka inkqubo enamandla sokupholisa ekhadini yemizobo mali AMD Radeon HD 7770. Ukuchazwa isixhobo abathozamileyo malunga ngokucacileyo naluphi nobushushu lombuzo akakwazi, kunjalo, iinkampani zobugcisa kusekho Bamisa indawo kupholile enamandla. Kakade ke, la manyathelo mveliso intluva kwi amandla aphezulu overclocking yevidiyo. Liyinyaniso elokuba, uvavanyo reference akukho Ngokomzekelo akazange athathe ezivela kwiilebhu yaziwe ehlabathini.

Kukho intelekelelo phakathi abathengi abaninzi osekelwe phezu ukubuyekeza kwabo ukuba ukufakelwa kwenkqubo yokudlala of lungapholi inokuba umenzi intengiso qhinga abathi ahlale nje udidi mali, kodwa ke icandelo phakathi amakhadi yemizobo yokudlala. Kuyo nayiphi na imeko, amakhadi uvavanyo kwiqhezu AMD Radeon HD 7770 sum up iziphumo kulo mba.

The main okhuphisana kwimarike amakhadi yemizobo

Kumajelo eendaba, uninzi ukuthelekiswa imveliso ezimbini AMD NVIDIA: HD 7770 vs GTX 650. Kwezi mvavanyo imidlalo ezithambileyo, zombini umboniso ividiyo yokusebenza twatse, nangona iinkcukacha zombini zixhobo zahluke kancinane (NVIDIA iinkampani chip ebonisa best okugqiba theoretical component). Kakade abalandeli iimveliso AMD andinanto ukungcikiva nenkampani imbangi.

Intshayelelo Market of ukuguqulwa ezihlaziyiweyo NVIDIA okhuphisana ngohlobo kwiqhezu GTX overclocked 650 Ti evinjwa amalungelo HD 7770 chip mvavanyo, kodwa imfuno ayikho lifinyele. Ngapha koko, akukho namnye endibulala nabanini iimveliso AMD ukwenza i wokulwa elizimeleyo ekhaya, ukuze ngokukhawuleza ukubuyisa emhlabeni elahlekileyo xa kuthelekiswa. Kuzuza namandla amakhadi ividiyo esekelwe kwi-HD 7770 chip befanelekile.

Imarike zizixhobo eziphathwayo

Ukuthandwa chipset yemizobo kurhwebo lwehlabathi nga kugwetywa phambi zokuguqulwa yokuxhobisa iqonga mobile. Chip HD 7770, uphononongo oluqhutywa kweli nqaku, zithandwa kakhulu phakathi abenzi yokubhalela. Eyokuqala iyazigatya engundoqo yemizobo ukuba ukusetyenziswa kwalo amandla - 32 watts ukuba yamanqaku incopho ividiyo kugqalwa exponent befanelekile. Nangona kunjalo, le umenzi kwafuneka ukunciphisa core yemizobo rhoqo ukuya ku 675 MHz.

Zonke ezinye iimpawu, kuquka inkxaso ubugcisa phambili, baye bahlala engazani kubavelisi yinguqulelo yemobile ye ividiyo ethandwayo. Njengoko kwakulindelekile, lo okhuphisanayo eziyintloko chip yinguqulelo yemobile le GTX 650 ukusuka NVIDIA. Kamva, lo umlinganiselo "ukusetyenziswa yokusebenza-amandla," waba okhuphisana kunye ummeli GeForce imali eninzi - GT 740M (chip utsale iinkampani zobugcisa Apple).

Iyunithi ezingabizi kakhulu eklasini mali

Ummeli we benkampani XFX - yemizobo ikhadi HD 7770 - iimpawu intsebenzo ubuncinane phakathi izixhobo ezifanayo, kodwa linyathelo enjalo eye wavumela ikhadi levidiyo umenzi ube kubulela njengenkokheli yoshishino neendleko eliphantsi phakathi kwabo bonke okhuphisana. Xa uqala kuqala, xa kuthelekiswa ne reference isixhobo AMD kaThixo, kubonakala ukuba iteknoloji repainted kuphela XFX Ukupholisa umzimba umbhalo omnyama Monster kubekwa kwicala lalo phambi. Noko ke, ukuba umsebenzisi uhlolo oluneenkcukacha ifumanisa ukuba umenzi liye landa indawo aluminiyamu kwiradiyetha bayikhupha yonke neebhetri kwi ngasemva PCB.

Kwakhona kwiilebhu XFX plant luvelise ukukhawulezisa kancinane sefowuni (yemizobo engundoqo basebenzisa rhoqo ka 1100 MHz kwi, kwaye imemori 5000 MHz). ukukhawulezisa okuphambili kunokwenzeka, kunjalo, amaqondo obushushu GPU kwinqanaba 40 degrees Celsius bulula ndinalo phezulu (80-90 degrees). nobushushu enjalo ibonisa kwawo kwenkqubo sokupholisa ngokusekelwe chip.

isisombululo yokudlala evela XFX

Kodwa ikhadi ividiyo evela XFX kunye namanqaku Black Edition Super Overclock kwi HD chip Radeon 7770, uphononongo apho kudla ngokubakho esendimbaneni edumileyo, nguye uchasaniso i "silo" ezingabizi kakhulu. Umenzi sele kwenziwe konke okusemandleni ukuba ukuthintela nobushushu:

• zonke iiseli ngamandla, nto leyo bayakwazi ukuba shushu kule nkqubo, baye bafudukela phambi ikhadi levidiyo (yemveliso);
• imemori GDDR5 umenzi nazo indawo ngakumbi kakuhle evela kwinkampani Hynix (yokusebenza olusebenzayo rhoqo 5000 MHz, ixesha lokuphendula ka 0.2 millisecond);
• aluminium radiator kwaba pad zobhedu;
• okupholisa ibhatyi eyenziwe-aluminiyam, yaye abalandeli abaphambili ezimbini ezinamandla ziyaxhonywa.

Lo mzi-mveliso card yemizobo yokusebenza ngokusekelwe HD 7770 ibonisa ukusebenza eliphezulu kwezi mvavanyo, ngenxa yokuba umenzi wenze overclock encinane (kuba engundoqo yemizobo ukuya ku 1120 MHz kunye memory ukuya ku 5200 MHz). Kakade ke, ezi mpawu nga kutsala umdla abasebenzisi ezinokwenzeka.

Nokuhlolwa ummeli market enamandla

Malunga imveliso XFX overclocking enokuba chip Radeon HD 7770 ukubuyekeza kumajelo eendaba ezincomekayo kuphela, kuba ezi iziphumo ezigqwesileyo embalwa yokusebenza abo ukulawula ukufezekisa. Graphics engundoqo ubonisa intsebenziswano ezinzileyo kwi 1200MHz - kukuthi, enyanisweni, kumda kwinqanaba le BIOS ikhadi levidiyo, eli nani ngasentla akunakwenzeka ukuba ukukhulisa nokuba ngcono zokupholisa.

Ukwanda kwemveliso kungenxa nokuvela ombane GPU, ngelo ezitsho phezulu shushu ngokukhawuleza. Ngenxa inkqubo olupholisa obuphuma uyakwazi ukugcina ubushushu engundoqo ngaphakathi degrees 70 Celsius. Ngako oko, kunokwenziwa isigqibo ukuba banako overclocking ikhadi yemizobo apho yaye nguye omkhulu, kodwa ukuliphumeza, kufuneka uthathe unonophelo pholisa.

ummeli Ufanele

inkampani Sapphire nayo unomdla imveliso entsha chip AMD Radeon HD 7770. Izimvo abanini iingcinga le brand Siqinisekiswa ukuba amandla overclocking of ikhadi levidiyo umenzi iphezulu kakhulu. Le mveliso osenyongweni ngokuqinisekileyo ingqalelo yemizobo iadaptha Sapphire engumphunga-X. iilebhu Le nkampani kule i-PCB AMD wenza utshintsho:

• inkqubo amandla ekwabelwana ngaso ngokwezigaba eziliqela kunye ukubeka izinto kumacandelo kwi PCB;
• Zonke iibhetri beze zwe zabo ubushushu ezabo uthothe ubushushu;
• indawo ebhodini ividiyo iziphumo (elibekwe 2 DVI, uqhagamshelwano lwetshiphu emsebenzi kunye DisplayPort).

Kwakhona wafumana ikhadi injini lobunikazi, ezibandakanya amacandelo amathathu-aluminiyam kwiradiyetha, ezo edityaniswe kwenye ngobhedu iityhubhu ezibuhlazarha, leyo kunciphisa ukuya pad kwisiseko. Inkqubo istili okupholisa eyenziwe ngeplastiki kunye ligubungela ngokupheleleyo yonke indawo webhodi yesekethe eprintiweyo. Ngaphezu kokuba ezimbini fan uphawu ifakiwe.

Enkungwini-X high ukusebenza imidlalo

Lo mzi-mveliso sentlalo Sapphire ikhadi levidiyo esekelwe kwi chip HD 7770 iimpawu yokusebenza ngoko kubonisa ephezulu kakhulu, abasebenzisi abaninzi kangaka, ngokutsho ncomo zabo, overclocking ikhadi ividiyo ayikho ungxamile. Oluphambili yemizobo clocked kwi 1100 MHz, kunye nokumisa memory mveliso igcinwa kwi 5200 MHz. Enyanisweni, abasebenzi iimpawu abamele imarike simthelekisa amandla overclocking kwezixhobo efanayo.

Ukufakwa ngempumelelo iibhetri kunye injini ophezulu phawu nangoku amaduna namathokazi abaphuhlisi zabo. Video iadaptha Sapphire umphunga-X ngokusekelwe chip HD 7770 ubonisa ukukhawulezisa mihle (core mifanekiso isebenza stably kwi-frequency 1200 MHz, kunye nememori ifikelela umbundu 6000 MHz). Ukukholisa abanini kunye nokuzifudumeza - core mifanekiso yabonisa lobushushu ezinzileyo degrees 65 Celsius. Nangona kunjalo, inkqubo okupholisa esebenza umcephe ngokupheleleyo, ukanti wenza ngokwayo waziva - umnini uya kuva ngokucacileyo ingxolo encinane kwinkqubo unit ke, noko ngathi kukugquma umoya.

version okulula ikhadi levidiyo

Fans yeemveliso Sapphire kaThixo, abangengabo ungavuma ukuhlawula ngakumbi inkqubo obuphuma sokupholisa umphunga-X (malunga 30 USD), kodwa unxano kubomi isixhobo onesidima, kucetywa uguqulelo okulula umenzi phantsi kwegama Sapphire lukwazi ukumelana HD 7770 Edition GHz. Enyanisweni, xa kwiilebhu benkampani ngokusekelwe kwibhodi ezikwisekethe enye eprintiweyo wadala amakhadi ezimbini ezahlukeneyo ividiyo, nto leyo yahluke kuphela injini. Ubani angabona oku wena ngokususa sisigubungelo radiator - indawo eziqalelo ebhodini wesekethe efanayo, kuquka iziphumo resolder ividiyo.

inkqubo sokupholisa e lukwazi ukumelana kokulungiswa ikhangeleka ngokwezoqoqosho, xa kuthelekiswa ne-nomphunga-X. Izihlandlo ezithathu kunciphise aluminiyam kwiradiyetha ndawo, kwanciphisa umsebenzi imibhobho yobhedu, yaye omnye kuphela ezipholileyo akuthethi ukuba sithembele. Noko ke, njengoko kuboniswe iimvavanyo kunye ukukhawulezisa, abanini inkampani okulula ukuba ibango ukungasebenzi isixhobo, akukho. Graphics engundoqo alwa nge rhoqo 1120 MHz, kunye nememori ubaleka ngo 4880 MHz (ezitsho kuyalungiswa komsebenzi ubushushu, zimbalwa degrees 70 ngokukaCelsius).

Ubuhle kufuneka ancame

Enye ummeli AMD kwimalike zehlabathi, inkampani YAKHE, waba nomdla chip waza waqalisa ihlabathi kubanini Izimvo wabo umbono chip HD 7770. babanga ukuba umenzi ikwazile ukuphumeza iinjongo eziliqela ngaxeshanye:

• ukunika icebo ngokwenene enomtsalane;
• ukuphumeza ukusebenza aphezulu ukusebenza;
• ukudala kobubi ephucukileyo overclocking kakuhle.

Ukuba le vidiyo ayisekho unomdla ubuhle umsebenzisi emva kokumiselwa isixhobo kwindlela isisu semoto, ezinye i parameters zisikhumbuza ngokwam. Sikwazile ukufumana izinto yokucokisa yokusebenza phezulu kwibhodi yesekethe ividiyo: Ferrite efakiweyo amandla, nabaqondisi PWM phambili, inkqubo yobonelelo bebekwe.

Relative kwisistim sokupholisa abasebenzisi, ngokutsho ncomo babo, iye iphuhlise uluvo elahluleleneyo. Kwelinye icala, Ilibele aluminiyam, ezibandakanya amacandelo amabini zimanyaniswe imibhobho ezimbini zobhedu, ubume kakhulu olunesiphumo kokususa ubushushu. Kodwa ke, umgangatho yokwakha akuthethi ukuba sithembele. Umzekelo, egobile imibhobho yobhedu - an bacinge ukuba pinched kunye iplayasi ezithile amateurs.

Luyaqhubeka abameli ilungileyo HD 7770 chip

Xa kokuphonononga brand ezintathu ezaziwayo-kakuhle kunye nemveliso phantsi igama labo brand akukho kukhethwa ngokungacwangciswanga. Kwenzeka ukuba abameli ilungileyo AMD HD 7770 sinochuku kwimarike yehlabathi - njengangoku iintsika ezintathu, koko siphinde sibambe zonke ukuthengisa zehlabathi yevidiyo. Ngoko ke, abathengi abaninzi ezinokuba HD amakhadi mifanekiso 7770 ngokususela kwintsebenzo luthelekiso iimveliso ezintathu uhlolwa imidlalo akuzi isibheno.

Njengoko kuboniswe abathanda bachitha ukuvavanya indima enkulu ekwenzeni edlalwa, kungekuphela nje amaza GPU. Into ebalulekileyo - amaza inkumbulo. Enyanisweni, xa iigrafu iziphumo ubuntshatsheli imi ngolu hlobo lulandelayo:

• kwindawo yokuqala kuyinyaniso emsulwa ukuba ikhadi levidiyo Sapphire enkungwini-X (ngasendleleni, ekukhawuleziseni wabonisa iziphumo zomsebenzi okhuphisana rhoqo GTX 650 Ti);
• indawo yesibini for XFX enombhalo Black Edition Super Overclock (igcina kuye akukho injini, kunye yotshintsho lebhodi yesekethe olushicilelweyo nofakelo memory iimodyuli Hynix);
• Ummeli wakhe IceQ-based HD 7770 chip wawungenamandla yaye wathabatha kwindawo yesithathu kuphela.

Amanye amalungu eklasini mali

Ukongeza kwi "iintsika ezintathu" yemakethi ihlabathi, ngokusekelwe chip HD 7770 thaca iimveliso zabo iinkampani notorious ezifana Asus, MSI, Gigabyte, VTX, PowerColor kunye nabanye. Ngoko ke, lo umfundi uyamenywa ukuba ukuhlangana ngokufutshane kunye iimveliso zabo.

Kwezi iintlobo ukukhunjulwa imveliso MSI. Isibakala sokuba umenzi liphuhlise nje kuphela injini ezizizo ukulungiselela chip entsha, kodwa wenza ezithile uphuculo nezinto PCB. Umphumo waba ngomnye kakhulu afikelelekayo amakhadi mali nshila. Amathuba kunisasaza ncinane, kodwa xa kuthelekiswa ne imizobo efanayo iadaptha isebenza cwaka.

Abameli Asus omncinane kakhulu ogqityiweyo PCB AMD HD 7770, inkampani kunjalo, inkqubo okupholisa ezaziwayo-kakuhle, ngokwendlela nokubuyekezwa zabamnini, oko kuphakamisa imibuzo emininzi. Umzekelo, abasebenzisi abaninzi baqonde ubushushu echibini zoqhagamshelwano kunye namacandelo ibhodi wesiphaluka. Enyanisweni, ngaphandle kokuba GPU ubushushu neebhetri ezithandwa kunye memory ziimodyuli, apho ngenxa yesizathu esithile akaqhotyoshelwanga lwehle ngokufanelekileyo.

Kuthekani kwezinye iintlobo? Baya ngocoselelo linanzwe kwakhona, kuba balime abaye AMD PCB kunye nje ziqinisiwe kuyo kwesibandisi, abayazi into iniqubule nomthengi enokwenzeka.

Ekuphetheni

I-adapter yevidiyo esekelwe kwi-AMD 7770 esuka kwi-AMD inganconywa kuqala kubo bonke abasebenzisi abaphuphayo yokudlala imidlalo evelisayo kwizicwangciso eziphantsi kunye neziphakathi, ngelixa zenza utyalo-mali obuncinci. Ukugcina imali akuyiyo kuphela indleko ye-HD 7770 kwimakethe yasekhaya. Inendima enkulu apha idlalwa ngokusetyenziswa kwamandla aphantsi kwekhadi levidiyo, elingafuni umnini ubukho bamandla obunamandla (i-watts ezingama-450 zanele kwikhomputha ngokupheleleyo).

Ungakulibali ukuba ukugqithisa kukuqinisekisa ukuba umsebenzisi emva kweminyaka embalwa uza kukwazi ukuphucula iimpawu zesicatshulwa esingasetyenziswayo ukuze ujonge umdlalo omtsha kwimakethe yekhompyutha. Amakhadi evidiyo kwi-AMD HD 7770 chip ayilungiselelwe ukuba asebenze ngokugqithiseleyo rhoqo kwiimodyuli ezisemgangathweni kunye neemodyuli zememori. Ukuba udinga ukusebenza ngokufanelekileyo kwimodi eqhelekileyo, amehlo akho akufanele aphendulwe kwii-class- based devices .