Le Radeon 7750: iinkcukacha, uhlolo, uvavanyo, uhlaziyo

Radeon 7750 card mifanekiso eneziphumo ezihle kakhulu, nkqu imilinganiselo mini, ngenxa apho ukusetyenziswa walo wokudla imini iikhompyutha ezahlukeneyo, ukusukela yokusebenza standard kwaye awugqibe koomatshini zokudlala izixhobo amandla eliphakathi. Eli khadi yenye iimveliso kakhulu ethandwa kwangethuba-2012, yaye zingabuthisi abalandeli zakhe ngelo xesha.

Imeko jikelele

Ngenxa yokuba AMD likhuphe imifuziselo uxabisa kakhulu ka 7900 Series, ngokusekelwe ukusetyenziswa GPU Tahiti, wakwazi ukuba ukwanelisa iintswelo abaninzi abathandi computer. Ekuhambeni kwexesha, Noko ke, kwagqitywa ukukhulula Radeon 7770 kunye Radeon 7750, ixabiso apho kuya kuba ngaphantsi kancinane ($ 120 kucelwa ukuba yokuqala 100 - elinesibini), lo gama i parameters zigcinwa kwinqanaba elifanelekileyo. Zombini amakhadi zisekelwe phezu elifanayo GPU, nto leyo yenziwa kumaziko zemveliso kukudliwa TSMC 28-NM inkqubo yobuchwepheshe, kodwa kubalulekile ukuqaphela ukuba zahluke kancinane uqwalaselo umbono.

umahluko

I GPU Tahiti ukho transistors 4.31 yezigidi zilungiswe kwi nesonkana esisicaba lesilicon ukuba ummandla we-365 mm ^2. Ngelo xesha elifanayo GPU entsha Cape Verde langoku 1.5 billion transistors epleyitini ukuba indawo 123 mm ^2. Kuqwalaselo olugqityiweyo ukuba sele zimiliselwe kuzo izixhobo 7770, kumqhubekekisi yemizobo libonelela iiyunithi ezilishumi computing, ngamnye apho unit kumda wesangqa ezine ekhoyo. Ngaloo unit nganye kumda wesangqa eyahlukileyo luquka umqhubekekisi stream-16, nto leyo ekugqibeleni zivelise 640 iziqhubekisi umlambo esekelwe ngokwakha Graphics Core Okulandelayo.

Cape Verde luphawulwa ubukho imisebenzi eyi iiyunithi ezine, nto leyo kuphela isiqingatha oko ekhona eTahiti, ngokwenjenjalo linike imisebenzi eyi-16 kumjikelo ngamnye. Ezimbini nabaqondisi bit-64 oxhulumene kwibhloko nganye rasterization usebenzisa ujongano eqhelekileyo, ngaloo ekugqibeleni wafumana bit-128 imemori ibhasi.

iimpawu

I-AMD Radeon 7750 yasetyenziswa kakhulu yindlela eyolisayo ekugqibeleni uphume kumqhubekekisi Tahiti, eyasetyenziswa kwi imodeli 7970, imodeli entsha ye Cape Verde. Nge 31% kuphela yaye ukuguda noburhabaxa iiyunithi shader womzekelo GPU Ezona kwakunye-66% ye-cache kunye neebhloko rasterization-50%, lo indibaniselwano ibonelela ukusebenzisa, nto leyo kungqinwe izifundo zombini abavelisi kunye abathengi ngokwabo.

Ngokutsho umphuhlisi, injongo ephambili ukusebenzisa abasebenzisi ikhadi elitsha ungafumana intsebenzo eyamkelekileyo FPS resolution HD elipheleleyo (1920x1080). Ngenxa kule HD Radeon 7750 1GB usebenzisa isisombululo HD Full nodibaniso anti-angawo kufuneka ekugqibeleni kukhokelela FPS ukuwa, kodwa eneneni, nkqu imidlalo mihla izicwangciso eliphakathi esetyenziswa yi kumqhubekekisi nako ukuphumeza ukusebenza ukuba nje ngokwaneleyo kwi ukuqalisa uninzi imidlalo.

Luhlobo luni ikhadi?

AMD likhuphe Radeon 7750, imeko njengoko imveliso ofumanekayo ukuze abaninzi abasebenzisi namhlanje, yaye chipset enye, unako ukuba phantse nayiphi imidlalo yale mihla exhasa iDirectX 11. Ukongeza, kukho izakhiwo updated Graphics enguNdoqo Okulandelayo yenza ukusetyenziswa isebenzayo amakhadi iigrafiki ezizodwa ukuze zokusombulula iintlobo ngeentlobo zemisebenzi non-imidlalo, kuquka ividiyo encoding okanye ukugcina data.

Inguqulelo omncinci yemizobo 28-NM Cape Verde model chip ngokwemveli ithole i Pro ibhokisi iseti-top to igama layo, lo gama xa kuthelekiswa ne kernel ngokupheleleyo efakwe kwi Radeon 7770, ngoko kule meko kukho inani elikhulu ngokwaneleyo simplifications ezibalulekileyo, nto leyo yanceda ukuba ukuqinisekisa incinci kakhulu iindleko. Le ezingundoqo ngemizobo kwimephu 7750 Radeon waphulukana block ezimbini NB-iseti ezilishumi, apho lehla inani lilonke leeyunithi ukuguda noburhabaxa kwakunye umsinga kumqhubekekisi. Number ROP-iibhloko ezigcinwe - 16. GPU memory namatyeli yokusebenza wayicola 1125 (4500) kunye 800 MHz, ngokulandelelana, lo gama i-interface kwagqitywa ukugcina-bit 128.

ingqalelo eyodwa kufuneka ihlawulwe yokuba ifowuni intsha ekhoyo 1 GB of GDDR5 memory standard, lo gama lokusebenzisa amandla eqhelekileyo kufuneka ungabi watts ngaphezulu kwe-55, njengoko isekelwe phezu GPU ikhadi levidiyo ifakwe isinxibelelanisi sobonelelo ezongezelelweyo amandla. Sisazi ukuba Radeon uyilo reference 7750, nolwathi lwaphuhliswa yi nabaqambi AMD kaThixo, kubandakanya ukusetyenziswa kupholile monosyllabic, le ezintsha zicwadi afanelekileyo hayi kuphela abadlali mali, ndicelela nabo abakhetha ukusebenzisa inkqubo iklasi yokusebenza encinane NBC.

7750 okanye 7770?

Ngokusesikweni, amakhadi isiphelo top-based on Cape Verde iprosesa umenzi ubiza 7770, ebonisa ukuba qho le GPU. Oku kubaluleke kakhulu, njengoko umthengisi ngamnye ke ngoko uya Mababonise kuloo diphu amakhadi zabo imizobo 1 GHz, kungakhathaliseki nokuba basebenzisa ibhodi yoyilo reference okanye njengomzekelo enemveliso, apho injini yokuqala.

Kwangaxeshanye, imodeli 7750 kukho inani elikhulu umahluko, nangona ukuba ekhoyo chip efanayo. TDP 55 W ithi le modeli ayifuni ubukho Isidibanisi amandla olongezelelweyo, apho ngokwaneleyo ukuqinisekisa PCI-E x16 slot. Kwakhona, ngenxa ubude balo lubandakanya ufakelo ikhadi uninzi ezivalelweyo compact.

7750 ukusuka Asus

Ngelo xesha linye endaweni inkampani Asus imodeli njengoko isixhobo ndikuchithachithe kancinci umenzi, kodwa ikloko CPU yenziwa ukwandisa xa kuthelekiswa nomgangatho kuphela ngama-20 MHz, ngoxa memory nga aqhube rhoqo olusebenzayo 4600 MHz, nto leyo MHz 100 kuphela idlula kwi parameters isincomo yi iinjineli lomenzi. Ekubeni mveliso yokubakho qho ingabizwa ebonakalayo ngenkankulu, HD Radeon 7750 kunganzima ukuba ngokuba isiphelo top-, kuba loo overclocking phantse imperceptible kwinkqubo awasungule izicelo bokwenene-ihlabathi, kodwa ngenxa yokuba le modeli ibekwe emarikeni 'overclocked "ukuze kwakhona unalo iindleko eziphezulu.

Ukuba uthetha ezinye iinkcukacha, akukho umahluko omkhulu kuthelekiswa reference wesampula i Asus Radeon 7750 akakho. ingqalelo eyodwa i injini kuphela apho kufuneka ihlawulwe, nto leyo evumela buyanceda kunika imveliso phakathi inani elikhulu kwezisombululo efanayo.

kit

Ukuziswa liquka zonke isakhiwo mali kuyimfuneko, oko kukuthi, oko kuquka kuphela ezo izincedisi ezidingekayo ukuze ukusebenza okuqhelekileyo namafutha:

• disk equlathe bonke abaqhubi eziyimfuneko nezinto eziluncedo;
• Imiyalelo ukufaka aze aqhube eli khadi indlela;
• DVI-to-VGA kagesi eqhelekileyo.

Le set yahlukile nolo lunikwa HD Radeon 6850, kodwa ke iyahambelana ngokupheleleyo kunye nobume mali ye sixhobo.

iimpawu ezongezelelweyo

Ngokufanayo njengokuba kwi reference isampula, isethi lwenjongano ukubonisa umfanekiso olifunayo ukhutshwa izibuko uqhagamshelwano lwetshiphu emsebenzi 1.4a kunye DVI-I. Njengoko izikhwebu ne ikhadi nayo ibonelela i-adaptha ezongezelelweyo, awuzukuba nayo nayiphi na ingxaki ukuze ukudibanisa kuyo esweni uboniso plasma olongezelelweyo okanye nayiphi projektha.

Ukukhumbula Radeon HD 6850, kubalulekile ukukhumbula ukuba ngokusekelwe kwizisombululo 7750 zinika ukukwazi ukusebenza LCD okanye esweni nokusombulula ultra-high, nto leyo ibaluleke kakhulu kuba uninzi abasebenzisi namhlanje, abanezo zixhobo abonakale ngakumbi rhoqo. Kwakhona musa ukulibala ukuba ukusetyenziswa kobugcisa AMD Eyefinity 2.0 Lo namafutha kwakhona ikuvumela ukuba ukwazi ukuqhagamshela ukuya iimonitha ezintandathu, kodwa izixhobo ngaphezu ezintathu kuya kufuneka kwakhona ukuba usebenzise amaqhoshana ezongezelelweyo esebenzayo ukunika imveliso umfanekiso eqhelekileyo.

inkokhelo

Ibhodi zeesekethe eshicilelweyo yenzelwa phezu PCB emnyama, ngoxa uyilo kunye nesakhiwo izinto kuwo ukuphinda ngokupheleleyo kwincwadi eqhelekileyo isampuli kokukhululwa AMD swa. Scheme Ukuzinziswa eyenziwe "2 + 1 isigaba" ngokusebenzisa isilawuli PWM elula kakhulu ukusuka kwiinkampani Anpec Electronics. Njengoko kukhankanyiwe ngasentla, eli khadi ifakwe kunye izihlanganisi igunya ezongezelelweyo, nto leyo imo umthwalo, tu amandla ungaphantsi kwama-75 watts.

Abantu abaninzi badla uthelekise nale modeli kunye Radeon HD 6790. Kwimeko ye GPU omtsha ugqibe ukuba ziquka ukukwazi ukudibanisa amaqhoshana eminzinzi ukuphumeza ngokudibeneyo izibalo yemizobo CrossFireX ibhulorho, kodwa inkxaso obu bugcisa kunjalo kwinqanaba inkqubo .

design

Ikhadi imodeli reference unalo jonga entle esiqhelekileyo mhle ofana motherboard ebandayo kwaye esetyenziswa ubungakanani ngokupheleleyo-sazo HD 6770. Le liphole eli ebalasele zokwakha elula kakhulu, ibonelela heatsink olunye-slot ezimcaba buyehla GPU kuphela. Kuba ikhadi ukuba TDP ngokufanelekileyo wayengaphakamanga Watts 55, eli nani kwamkelekile kakhulu, kodwa kubalulekile ukuqaphela into yokuba kukho ezininzi zokuguqulwa Radeon 7750, iimpawu ezibandakanya phambi kwenkqubo olupholisa enkulu.

inkokhelo

Njengoko kukhankanyiwe ngasentla, kule meko akukho naliphi na igunya ezongezelelweyo, kwaye inkqubo amandla basetyenziswa izigaba ezine. GPU Power lilawulwa umlawuli kwisigaba-mbini, apho ayiboneleli kungenzeka zokulungisa ombane inkqubo, nangona amandla wevidiyo ilawulwa zombini nabaqondisi ezimbini single-isigaba.

Memory ngokwayo sicofwa ngokusebenzisa chips kwinkampani HYNIX, eliyimali olusebenzayo iwotshi frequency yi GHz-5. Engenelela efanayo zaye asetyenziswa kwi Radeon kwikhadi 7770.

isiphelo

Kanye HD Radeon 6790, imodeli 7750 yi isicombululo entry-level ukuba abasebenzisi abaninzi ukuze kulunge itikiti ukungena lé imidlalo mihla. A nowethu ngqo ifowuni i Model 650 ukusuka GTX GeForce, emasikwini zombini iimveliso abathi, ukuze athathe indawo kwi kwevidiyo ngokuthobela ngokupheleleyo kunye nophuhliso umxholo umdlalo. Kodwa enyanisweni, ngenxa yobudala bakhe bobabini iimveliso baba phezulu kakhulu yokusebenza kuthelekiswa nezo iimfuno zobugcisa, ezo ibekwe kwi umdlalo ngexesha kokukhululwa kwabo, ukuze ukufaneleka kwabo yaqala ukubonakala kuphela kwiminyaka yakutshanje.

ukusebenza Reserve kule TDP iphantsi kunokwenzeka - lo msebenzi ibekwe phambi abenzi AMD phambi kokuba ikhadi sikhutshwe Radeon 7750. Ngelo kakhulu ngokwaneleyo lufikelela amandla umthwalo malunga 55 W, kwaye ukusetyenziswa kwamandla yi watts ngaphantsi kwe-3 xa imo ezolileyo, kanti ezinye supply ingafuneki. Phakathi 6000 amakhadi series efanayo TDP abafumanekayo imifuziselo 6650 no 6670, ngelixa NVIDIA ibekela lokukhuphisana ngohlobo GeForce GT440, oko kukuthi ngokucacileyo amakhadi ngaphantsi buthathaka. Konke oku kwenziwa ngokusebenzisa inkqubo advanced technology-28 NM.

Ngenxa yoko, ukuba umhla ikhadi sisisombululo kakhulu, lulunge kakhulu indibano iikhompyutha eliphantsi ngexabiso. Uninzi imidlalo yale mihla zigcinwe ubuncinane ngenqanaba okanye umlinganiselo, nto leyo esele kwanele ukuba abadlali abaninzi. Kakade ke, uthelekise izixhobo advanced namhlanje nje nantsingiselo, ekubeni nje phantsi iimfuno ubuninzi, kodwa kunye elizayo.