I Radeon 7750: Ukucaciswa, ukubuyekezwa, ukuhlolwa, ukubuyekeza

Radeon 7750 ihluzo ikhadi ayitheli ngempela, ngisho ngezindinganiso ngosuku, ngenxa okuyinto ekhona usuku elisetshenziswa computer ezahlukene, esukela zokusebenza ejwayelekile futhi kokuqeda imishini yokugembula amandla amadivayisi ophansi. Leli khadi ingenye imikhiqizo ethandwa kakhulu kudala njengoba 2012, futhi akamane nje abalandeli bakhe ngisho okwamanje.

Isimo jikelele

Ngenxa yokuthi AMD ukhiphe amamodeli kuqhathaniswa eqolo we 7900 Series, esekelwe ukusetshenziswa kwe-GPU eTahiti, wakwazi ukwanelisa izidingo kakhulu abathanda computer. Nokho, ngokuhamba kwesikhathi, kwanqunywa ukukhulula Radeon 7770 futhi Radeon 7750, intengo zazo kungaba kancane ($ 120 Kucelwa owokuqala 100 - lesibili), kuyilapho nemingcele ayagcinwa ezingeni elifanele. Bobabili amakhadi zisekelwe efanayo GPU, okuyinto ekhiqizwa ezakhiweni ekukhiqizweni usebenzisa TSMC 28-nm inqubo ubuchwepheshe, kodwa kuyafaneleka ukuthi athé ukwehluka iphuzu ukucushwa kwe umbono.

umehluko

I-GPU eTahiti likhona 4,31 bhiliyoni transistors zazo wahlela ku esilucwecwana Silicon kokuba indawo 365 mm ^2. Ngesikhathi esifanayo i-GPU entsha Cape Verde samanje 1.5 bhiliyoni transistors ipuleti kokuba endaweni 123 mm ^2. Ekulungiseleni ephelele kakhulu ukuthi seyenziwe e apharathasi 7770, ihluzo processor inikeza okwesikhathi amayunithi eziyishumi Computing, ngamunye lapho ezine Vector iyunithi likhona. Ngakho ngamunye ehlukile Vector iyunithi kuhlanganisa processor ekusakazeni 16 okwagcina ayithelanga 640 ekusakazeni izilimi esekelwe izakhiwo Graphics Core Landelayo.

Cape Verde libhekene khona raster imisebenzi amayunithi ezine, okuyinto kuphela isigamu iyini likhona eTahiti, ngalokho lunikeze 16 raster imisebenzi emjikeletweni ngamunye. Ababili-64-bit abalawuli axhunyiwe ngalinye emabhuloki rasterization usebenzisa esibonakalayo ezivamile, kanjalo ekugcineni etholwe a 128-bit inkumbulo ibhasi.

Izici

I-AMD Radeon 7750 yasetshenziselwa ngempela indlela emnandi ekugcineni ukuphuma processor eTahiti, esasetshenziswa esikhangisweni se imodeli 7970, umfuziselo entsha Cape Verde. Nge% 31 kuphela futhi ukuthungwa shader amayunithi kwe-GPU Flagship imodeli kanye 66% imemori cache rasterization amabhlogo 50%, le nhlanganisela inikeza lusebenze kahle, okuyinto waqinisekiswa izifundo kokubili abakhiqizi futhi abathengi ngokwabo.

Ngokusho unjiniyela, umgomo oyinhloko kwaba ukusebenzisa abasebenzisi ikhadi elisha ungathola elamukelekile lokusebenza okwamukelekile kulelo FPS isinqumo Full HD (1920x1080). Ngenxa yalesi Radeon HD 7750 1GB usebenzisa Okugcwele HD nesinqumo lihambisana anti-aliasing ekugcineni kufanele eziholela FPS bawe, kodwa eqinisweni, ngisho imidlalo zanamuhla izilungiselelo naphakathi esetshenziswa processor ingafinyelela ukusebenza ukuthi kwanele nje ukuqala iningi labantu imidlalo.

Hlobo luni ikhadi?

AMD ukhiphe Radeon 7750, Positioning ke njengoba umkhiqizo olukhona iningi omkhulu wabasebenzisi lanamuhla, futhi ngezinye chipset esifanayo, ungakwazi ukujabulela cishe kunoma iyiphi imidlalo yanamuhla ukusekela IDirectX 11. Ngaphezu kwalokho, isakhiwo olusha Graphics Core Landelayo kwenza ukusetshenziswa ngempumelelo kakhulu ezikhethekile ihluzo amakhadi ukuze baxazulule ezihlukahlukene ze-non-gaming imisebenzi, kuhlanganise wekhodi wevidiyo noma idatha yomlando.

Le nguqulo Encane 28-nm ihluzo chip onobuhle Cape Verde ngokuvamile uthole i eyengeziwe set-top box Pro negama layo, ngenkathi lapho iqhathaniswa nezinkulungwane ikhenela umnyuziki elifakwe Radeon 7770, khona-ke kulesi simo kwakukhona isibalo ngokwanele ezinkulu simplifications abalulekile, okwasiza ukuqinisekisa yincani okuningi izindleko. I ihluzo core kumephu 7750 Radeon elahlekile ezimbili block cu-isethi eziyishumi, lapho kwehle inani eliphelele ukuthungwa amayunithi nokusakaza processor. Inombolo ROP-amabhlogo walondoloza - inkumbulo 16. GPU kanye namasistimu okusebenza imvamisa sehliselwe 1125 (4500) kanye 800 MHz, ngokulandelana, kuyilapho esibonakalayo kwanqunywa ukuba ugcine 128-bit.

ngokukhethekile kufanele ikhokhwe yokuthi idivayisi entsha likhona 1 GB GDDR5 inkumbulo standard, kanti amandla ejwayelekile yayo ukusetshenziswa akufanele bube ngaphezu kuka-55 Watts, njengoba esekelwe GPU isiqophi ikhadi ifakwe isixhumi olungeziwe ugesi. Njengoba sazi ukuthi Radeon inkomba design 7750, olwasungulwa Abaklami Ukuqedwa kwe-AMD sika, kuhilela ukusetshenziswa cooler monosyllabic, lokhu eseyintsha kuyinto ngempela ofanele hhayi kuphela abadlali isabelomali, kodwa futhi kulabo bakhetha ukusebenzisa encane ohlelweni ekilasini ukusebenza NBC.

7750 noma 7770?

Ngokusemthethweni, amakhadi phezulu ekupheleni esekelwe Cape Verde processor nomkhiqizi ubiza 7770, okubonisa ukuthi imvamisa anda GPU. Lokhu kubalulekile ngempela, njengoba umthengisi uzowubona bese ubonisa ukuthi isembozo of ihluzo zabo amakhadi 1 GHz, kungakhathaliseki ukuthi kusetshenziswe ireferensi design ibhodi noma njengesibonelo elikhiqizayo, lapho original Ukupholisa uhlelo.

Ngesikhathi esifanayo, imodeli 7750 has a inombolo enkulu umehluko, naphezu kweqiniso lokuthi ke elikhona chip efanayo. TDP 55 W uthi lokhu imodeli akudingi khona ezengeziwe amandla isixhumi, okuyinto kwanele ukuqinisekisa PCI-E x16 slot. Futhi, ngenxa yobude bayo sihilela ukufakwa kwe-ikhadi iningi labantu ezivalekile ezihlangene.

7750 kusukela ASUS

Ngesikhathi esifanayo ukuma inkampani ASUS imodeli njengoba idivayisi kancane ukuhlakaza umakhi, kodwa iwashi CPU senziwa ukwandisa njengoba kuqhathaniswa namazinga yedwa 20 MHz, kuyilapho imemori ongasebenza ngesikhathi i imvamisa ephumelelayo 4600 MHz, okuyinto MHz 100 kuphela idlula amapharamitha ezinconywe onjiniyela yomenzi. Njengoba imboni anda imvamisa kungaba uyibize ngokuthi abalulekile, HD Radeon 7750 sekunzima ngokuthi ephezulu ekupheleni, ngoba Overclocking ezinjalo cishe imperceptible enqubeni yokuqalisa izicelo bomhlaba wangempela, Nokho ngenxa yokuthi le imodeli ibekwe emakethe njengoba "overclocked" ukuze libuye libe intengo ephakeme.

Uma ukhuluma ngezilonda nokunye ukucacisa, azikho umehluko omkhulu uma kuqhathaniswa inkomba isampula ngesikhathi ASUS Radeon 7750 alikho. ukunakekelwa okukhethekile kuphela nokuphathelene Ukupholisa uhlelo okufanele ikhokhwe, okuvumela kunenzuzo ukwaba umkhiqizo phakathi inombolo enkulu izixazululo efanayo.

ikhithi

Ububanzi kwezidingo kuhlanganisa zonke kunesidingo isakhiwo isabelomali, okungukuthi, sifaka kuphela labo izesekeli ukuthi ayadingeka ukuze operation evamile namafutha:

• disk equkethe zonke abashayeli kudingeka kanye Tinsita;
• Imiyalelo kanjani ukufaka nokusebenzisa leli khadi;
• standard adaptha DVI-to-VGA.

Lokhu isethi uhlukile ukuthi ezinikelwa yidolobha lase-Radeon HD 6850, kodwa noma kunjalo kuba kuyavumelana ngokuphelele nalo isimo kwesabelomali idivayisi.

izici ezingeziwe

Ngokufanayo njengoba kule inkomba isampula, iqoqo interface ukubonisa isithombe oyifunayo inikezwe njengoba imbobo ye-HDMI 1.4a futhi DVI-mina. Njengoba sazi ukuthi izikhwebu nge ikhadi futhi inikeza i-adaptha ezengeziwe, ungenayo noma yiziphi izinkinga ukuze sixhume kuso ukuqapha okwengeziwe plasma ukubonisa noma iyiphi wokudlala.

Ukukhunjulwa Kwalabo Radeon HD 6850, kuyafaneleka futhi ukuthi esekelwe izixazululo 7750 ukunikeza ikhono ukusebenza LCDs noma abaqaphi nge isixazululo ultra-high, okuyinto ngempela ebalulekile iningi labantu abasebenzisi lanamuhla, abanale mishini avele ezingasho njalo. Futhi ungakhohlwa ukuthi ngokusebenzisa ubuchwepheshe AMD Eyefinity 2.0 Lokhu namafutha futhi ikuvumela ukuba ukuxhuma ngabaqaphi eziyisithupha, kodwa amadivayisi ezingaphezu kwezintathu uzodinga futhi ukusebenzisa adapters asebenzayo angeziwe wokunikeza evamile isithombe okukhiphayo.

yokukhokha

I ephrintiwe wesifunda ibhodi wenziwa phezu PCB abamnyama, kuyilapho design and layout izakhi kuso ukuphinda ngokugcwele okubhekiselwa isampula ezikhishwe ne-AMD elihambayo. Isikimu sinjalo eyenziwe "2 +1 esigabeni" usebenzisa kakhulu elula PWM isilawuli kusuka izinkampani Anpec Electronics. Njengoba kushiwo ngenhla, lokhu khadi hhayi ifakwe nezixhumi ngoba amandla angeziwe, okuholela imodi umthwalo, amandla alo ukusetshenziswa lingaphansi kuka-75 Watts.

Abantu abaningi bavame uqhathanise le imodeli ne Radeon HD 6790. Endabeni GPU entsha banquma ukungazifaki ikhono ukuhlanganisa adapters amaningi ukuba afeze ngokuhlanganyela izibalo ihluzo CrossFireX ibhuloho, kodwa ukusekelwa lobu buchwepheshe wayesalokhu enikeziwe ezingeni Uhlelo .

design

Ikhadi inkomba imodeli inokubukeka kuhle ajwayelekile njengoba kuhle afana ezipholile futhi ibhodi lisetshenziswe version obujwayelekile egcwele ukusebenza HD 6770. I cooler libhekene i ukwakhiwa ngokweqile elula, sihlinzekela flat olulodwa-slot heatsink ukuthi epholisa GPU kuphela. Ukuze ikhadi kokuba TDP ka 55 Watts sasivumela nesizotha, lesi sibalo eyamukelekayo ngempela, kodwa kuyafaneleka yokuthi ziningi zokuguqulwa Radeon 7750, izimfanelo ezihlanganisa khona lwaluyophola uhlelo enkulu.

yokukhokha

Njengoba kushiwo ngenhla, kulokhu ayikho noma yimaphi amandla ezengeziwe, futhi uhlelo amandla zisetshenziswa ngezigaba ezine. GPU Amandla ilawulwa isilawuli ezimbili isigaba, okuyinto engabondli abakubo kungenzeka ukulungisa voltage uhlelo, kuyilapho amandla evidiyo ilawulwa zombili ezimbili abalawuli owodwa esigabeni.

Memory ngokwayo ushaye ngokusebenzisa chips inkampani HYNIX, le okuzisholo ngempumelelo iwashi imvamisa kuba 5 GHz. I chips efanayo kwakusetshenziswa Radeon 7770 ikhadi.

isiphetho

Njengomhlaba Radeon HD 6790, imodeli 7750 ikhambi entry level ukuthi abasebenzisi abaningi kungenzeka kahle ithikithi ukungena emkhakheni imidlalo yesimanje. A esincintisana oqondile zedivayisi iyona Model 650 kusukela GTX GeForce, futhi lapho kokubili imikhiqizo abathi bangabafundi, ukuthatha indawo kwevidiyo nekuhambisana ukuthuthukiswa okuqukethwe game. Kodwa eqinisweni, ubudala bakhe bobabili imikhiqizo lalilikhulu ekusebenzeni kakhulu uma kuqhathaniswa nalabo nezimfuneko zomsebenzi, okuyinto asethwe ku umdlalo ngesikhathi kokukhululwa kwabo, ukuze ukuqondana abo baqala ukuvela eminyakeni yamuva nje.

Reserve ukusebenza ngesikhathi ephansi okunokwenzeka TDP - umsebenzi ibekwe phambi abakhiqizi AMD phambi ikhadi wakhishwa Radeon 7750. Emhlanganweni okukhulu ngokwanele isifinyelele amandla nomthwalo mayelana 55 W, futhi ukusetshenziswa amandla esingaphansi 3 Watts imodi ethule, kuyilapho ezengeziwe ukuthengisela ayidingekile. Phakathi uchungechunge amakhadi 6000 efanayo TDP ekhona onobuhle 6650 futhi 6670, ngenkathi NVIDIA ihlinzeka imodeli ukuncintisana ngohlobo GeForce GT440, okungukuthi ngokusobala amakhadi kancane ababuthakathaka. Konke lokhu kufezwa ngokusebenzisa eziphambili inqubo ubuchwepheshe 28 NM.

Ngakho, kuze kube manje ikhadi yisisombululo kuhle, kuhle kakhulu lenhlangano amakhompyutha ongaphakeme-ontengo yakhe yayinqunyiwe. Iningi imidlalo yesimanje kungashiwo zigcinwe ngaso eliphansi noma isilinganiso, okuyinto vele ngempela eyanele abadlali abaningi. Yiqiniso, ukuqhathanise amadivayisi aphakeme namuhla nje lutho, ngoba akuzona nje ngaphansi nezidingo esiphezulu, kodwa futhi esizayo.