DDR5 vs DDR4 Khankaso: Ukulinganisa neembono zokusebenza zokugelela

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Iphepha Lesi

Izinkomo

Ngiyabuzisa

Iphutha

Vumela Nethu

ukwanda lwe-ddr5 kunoma kuka-ddr4

Imemori ye-DDR5 iyabonisa ukuguqula kakhulu kusuka kwezindawo ezeduze ne-D4, ngenkathi inikeza izintulelo ezinhle kakhulu ngokusebenza, ukusebenzisa kahle kwezimali, nokunakekwa. Le ndawo entsha isebenza ngemizuzwana ephakeme kakhulu, ikuqala ngama-4800 MHz ngendaweni ya-D4 enoma-2133 MHz, okwenza kube lula ukulayisha idatha kanye nokuthula kwezinhlelweni. Imbongi ye-DDR5 inikela amaphasi wezinhlelo eziningi, afaki kubu lwamandla oluhlu lwezimali esikhundleni esinye. Sinye isikhundla sokugcinwa idatha sibekwe ngokuhlukile kudilini lesibili, okuvumela ukusebenzisa idatha ngokuhlukahluka futhi kuphazamise ukuphakama. Ukuphatha amandla wabekwe emkhathini wememori ngokwesibo, engenakuba yisihlanu esiyohlwayo njengoba kukhona kuDDR4, okwenza ukuthola amandla ngokushesha futhi kuphazamise ukudinga kwamandla kusuku kwe-1.2V kuya kwe-1.1V. I-DDR5 nenca yokunciphisa amaphoyinti nge-ECC edingekayo ekhanda, okunikeza ukuphepha kwezidata futhi kuthulelwe kwezinhlelweni. Lezi zintulelo ziya kwenza i-DDR5 ithangiso elikhulu kumaqondana angcono idatha, ukusebenzisa kahle kwezinhlelo, nemithombo yezindawo ezintsha, lapho ispeedi yokugcinwa kwezimali nokuthula kwezinhlelo kungaba yindlela ebaluleke.

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Imemori ye-DDR5 inikeza amaphetho amaningi ngaphezulu kwe-DDR4 engiyokuthanda yabo abasebenzisa abathanda ukusebenza okuphezulu. Okuqukethwe ngokubangelwa ngu-ntengo yokuba ngokusheshisa okuphezulu, nge-DDR5 engiyokwenzela ukuba ikhwekisa amakhiloherthiwe ayilungu 6400 kunele kwe-DDR4 okungu-3200. Lokhu kusheshisa kwenza ukuba kusebenze ngokusheshisa, kude kunciphise izimanga zokulayisha, nokuthuthukiswa kwezokusebenza ngokuphelele. Isisitemu esisha sokuphatha amandla kwe-DDR5 sinezimfihlo eziphezulu zokusebenza ngokuthembekile, nge-voltage encane nezindlela zokunikezela amandla okuprecise, okwenza ukuba kuncipise ukushisa okukhiqizwa kusistimu nokuba amakosithi wokumisa amandla. Imiphetshana yokuthula kwezimfihlo engiyokuthuthukiswa kungenxa yokuqinisekisa ukuba idatha iyilungu nokuthulwa kwezinhlelo, okungithuthukisa kakhulu kubasebenzi abaphambene nezokusebenza ezithile. I-architecture ye-dual-channel ye-DDR5 ngalunye icala lokuqala kwenza ukuba ikhwekisa idatha kusistimu, kwenza ukuba kusebenze ngokuthuthukile kanye nokunciphisa izindawo ezithintana. Inkuboniso ye-DDR5 yokuthuthukiswa kwezinhloso ezingu-512GB ngalunye icala kunele kwe-DDR4 okungu-64GB ikunikeza ukuthuthukiswa kusizakalo. I-architecture yesistimu yokuhlela amandla kwe-DDR5 yenziwa ngokuthuthukile kwenza ukuba kusebenze ngokushesha kanye nokuthuthukiswa kwezokusebenza. Kubekezela kwezokudala, kwebhizinisi le data, nezokugcina, lokhu kuthuthukisa kwenza ukuba kube lula kwezokusebenza kanye nokuthanda kwezokudala.

Amamandla nokuthuthukisa

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Ukushintsha Iphethelo le-DDR4 Ngemva kokucabanga Labantu Abamodern

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DDR4 vs. DDR5: Ukufakwa Kwesokudla Lweserver

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Ilanga Lwesimo Ngenhla Yezilo Lwesivicele Sodwa Kube Ngaphandle Kwesicwangciso

Thola Isilinganiso Samahhala

Ummeleli wethu uzokuthinta masisha.

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ukwanda lwe-ddr5 kunoma kuka-ddr4

imemori ye-DDR5 4800MHz

imilinganiselo yememori ye-DDR5

ukwanda lwe-ddr5 ye-HPC

izilungiselelo zokusebenza kwememori ye-ddr5

imemori ye-ddr5 yekhewa

ubunzima bokugcinwa kwamemori ye-DDR5

Ukuba nokwehlisa ne-Bandwidth

Isampula se-DDR5 isincishisi esikhohlakala kakhulu ngokuthi yindlela entsha yokuphatha isantya ne-bandwidth. Lo technology uvule amadivayisi amabili owodwa ngalunye i-module yememori, okwenzelwa ngokubili bandwidth etholakalayo ikusuka DDR4. Qalisa nge-4800 MHz, izimodi ze-DDR5 zingasithola umda wehlisa othebethelwe ku-51.2 GB/s, oku mkhulu ngokugcwele ikusuka kwi-maximum ye-DDR4 ezingama-25.6 GB/s. Oku kwenzeka ngokusetshenziswa kwezinhlelo zokuphatha isinyo futsi ukuthuthukiswa kwezinhlelo engaphakathi, okuvumela ukuthi kuhlanganiswe inca le-data ngalunye uhla lwe-clock. Ukuba kube bandwith ikhona kungcono kakhulu kumaqondo amancane athintekayo data njengekulungisa ividiyo, ukwenza ama-3D, nezilwanywayo ezinezinhloso zomphilo, lapho kudingeka ukuthi data encane kakhulu ethathwe futsi ekutheni.

Ukuphatha Amathambo

I-DDR5 ikhona ukunyusela kweqileyo yemali elingeni (PMIC) ngokwendawo kumoduli yemali, okuquketha ishesho esikhulu kusendaweni DDR4 yokupheya imali ebandakumakhi. Le nqamlelo yokulawula imali enjiniro yokuvelisa imali nezintsha ezinhle, iyasebenza ngemali encane kune-1.1V ngokulingana no-DDR4 engu-1.2V. Iqileyo lokupheya imali inezinhlelo zokuguqula imali nezinto zokupheya imali ezinezindlela zokuthuthukisa usizo olwenziwa ngokulingana nokusebenzayo. Lokhu kubangela ukuncipiswa komsebenzi wezilayili futhi kuholela ekusetshenzisweni kahle kwemali ngamaqandla esebenza, okungaba nokuncipiswa kolwandle lwamanzi noma ukudlala okude kakhulu kwabahloli.

Ukuhlolwa Okuningi Kwezimposo

Ukusebenzisa kwe-Error Correction Code (ECC) kuDDR5 ikuvumela ukhuthazwa okukhulu kwekhankaso ne-integriti yedatha. Ngakumbi na kukaDDR4, lapho i-ECC yayisetyenziswa kuphela kwiimodali ezithile, i-DDR5 inikeza amathuba okulungisa impengo ngqo kwindawo yekhankaso. Le nkinga engeyeliyo yokuhlolwa nokulungisa impengo iyathola nokulungisa imposo edatha ngaphambi kokufikelela kumgca wokugcinwa khankaso, ukuze kuthathwe kakhulu integriti yedatha ne-sthabiliti yesistimu. Iimpumelelo ephambili ze-ECC zinethiphu elikhulu kwiinkcubeko zokusebenza, iiseva, kunye neempumelelo yokusebenzisa kakhulu apho integriti yedatha iyanceda kakhulu. Lesi sici sinceda futhi ukugcinwa kwezistimu kwiindlela ezininzi futhi sinezixelo ezingaphezulu yoohlukaniswa kwesistimu noma ukungcola kweedatha.