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GDDR5 - yana da, a video katin? A karo na biyar ƙarni na DDR SDRAM memory

Lalle ne waɗanda suka farko yanke shawarar saka tare naka PC, ko fahimtar da ita ƙ, fara da fuska da yawa m sharuddan. Lokacin da kuma muka buɗe kwamfuta murfin, za mu ga abubuwa da yawa na wayoyi, faranti, magoya, zafi sinks, da dai sauransu Don kauce wa haddasa sake da maigida da ba a tuntube abokai, sauqin fahimta.

Yau za mu yi magana game da irin wannan ban sha'awa ra'ayi, kamar yadda GDDR5. Wannan ne, da yawa ba su sani ba, wasu na iya xaukar sauran informed da kuma fahimta. Domin kada ya rudar da karatu, wajibi ne a ce a lokaci daya cewa GDDR5 - shi ne memory. Me shi ne da mulkin da kuma inda ya ke, za mu sani.

Video memory

Ba juji a kan m mutum da zarar wani gungu na sharuddan, shi ne mafi alhẽri tafi tare da sauran hannunka. Dukanmu mun san game da motherboard, wanda aka sanya a cikin PC hali. Za a haɗa da processor, da samar da lantarki, video katin, RAM da sauran abubuwa. Baya da cewa akwai wani memory na tsarin, kuma yana da irin wannan ra'ayi, da kuma video katin.

Saboda haka, akwai ajalin - video memory. A gaskiya, shi ne guda a matsayin cewa daga cikin RAM, amma shi ne alhakin musamman domin ajiya na wannan bangare na bayanin da wajibi ne ga haifuwa hoton a allon. Ya bambanta da memory na dukan tsarin, shi ne kawai alhakin wajen domin video. Saboda haka, video ƙwaƙwalwar kwakwalwan kwamfuta an sanya a kan graphics katin.

farko

Fara your sani da daban-daban RAM wajibi ne tare da na farko bambancin. A mafi tsufa nau'i na "RAM" an dauke su da memory na DDR. Yanzu, watakila, ba shi yiwuwa a sami wani motherboard da irin wannan. Operating ƙarfin lantarki da aka 2.5 volts. Hakika, neman mayar a duk iri riga, za mu iya amince ce cewa DDR memory cinye mafi wutar lantarki.

jinsunan

Kafin mu koyi game da abin da yake a kan GDDR5 graphics katin, shi wajibi ne don gane bambancin. Nau'in na memory ga dukan lokaci, shi ya kasance m. Bayyana kowane bai sa hankali, saboda haka ya kamata ka je kai tsaye ga zance.

A general, wani bazuwar damar žwažwalwar DRAM samu sunan. Yana da farko ya zama sananne ga duniya a lokacin yakin duniya na biyu. Amma a cikin zamani bayyana shi ya bayyana a cikin shekarar 1966. Dogon lokaci developers da kuma masana'antun kokarin inganta ƙwaƙwalwar ajiya. Daya daga cikin na farko-daban ya zama PM DRAM a farkon 90-ies karni na karshe.

Amma Developers da duk lokacin da za a ƙara gudun da kuma girma na "RAM". DDR SDRAM - Bayan shida yunkurin, wani sabon nau'in bayyana a kasuwa. Ya zama daban-daban daga baya versions Ingantaccen Data Rate (sau biyu). Wannan irin aka farko shigar graphics cards. A tsawon lokaci, da developers yanke shawarar yin amfani da RAM da chipset.

tushe

An yi imani da cewa GDDR5 ya bayyana godiya ga DDR SDRAM. Wannan biyar version of wanda aka generated ga aikace-aikace. Wadannan softs bukatar high bandwidth. A gada na wannan zabin da ya zama na huɗu-tsara ƙwaƙwalwar ajiyar. Dukansu suna dogara ne a kan DDR3. A sadarwar tashar ya zama ninki biyu, akwai buffers da nisa daga 8 ragowa.

Yana da ban sha'awa cewa irin wannan aiki a kan da yawa daga masana'antun. Saboda haka da bincike "da'irar" sun Hynix, Qimonda, Samsung da kuma JEDEC. A mamaki shi ne cewa yin aiki tare da su da kuma kamfanin AMD. Sai da na ɗauki lokaci mai tsawo muna, da kuma daga farko zuwa gama da shi ya dauki tsawon shekaru uku. A wannan lokaci da developers sun iya cimma kyau kwarai da sakamakon.

Sa'an nan kuma muka koyi abubuwa da yawa game da GDDR5, abin da shi ne da kuma abin da. Amma ba kowa da kowa zai iya amfani da wannan memory kamar yadda ta tabarau har yanzu kafa. Tun da farkon ta hanyar kwakwalwan kwamfuta aiki a wata low irin ƙarfin lantarki na 1.5 V, da yawa ya 0.5-2 GB. Su mita kai 4000 MHz, da kuma bayan wani lokaci gudanar da tada wannan adadi har zuwa 7000 MHz.

Ya ya riga ya bayyana a wani yawa na 1 Gbit guntu, a 2009, a shekara daga baya - a wani yawa na 2 Gbps. A karshen wani zaɓi da aka kafa ta 50-nm aiwatar da fasaha. By farkon 2015 da ci gaban da ya kai ga kyau kwarai da sakamakon. guntu yawa kai 8 Gbps, kuma ƙiren ƙarya aiwatar da aka aiki ga 20 nm. Wannan rikodin mariƙin zo karkashin jagorancin Korean kamfanin Samsung.

jaddadawa

Don ƙarin koyo game da na GDDR5, cewa wannan shi ne dalilin da ya sa muke bukatar wannan memory, yana da muhimmanci a yi la'akari da asali halaye, wanda yanzu amfani da duk masana'antun. Kamar yadda ta bayyana a cikin title na wasiƙa «G» ne ke da alhakin manufar Graphics. Wancan ne, irin wannan memory ake bukata domin video katin.

GDDR5 an saki karkashin standardization. A karkashin shugabanci na 8n gine-gine, tare da sanyi na ke dubawa kuzarin kawo cikas, kazalika da fasaha da inganta yi. Daya guntu yana da nisa daga 32 ragowa da jiki da 170 lambobi. Tsari fasahar ne 40 nm.

A mita za a iya ƙaddara da biyu sigogi. Idan na farko ya nuna darajar 1250 MHz, na biyu zai zama daidai da 2500 MHz, watau biyunta. Masana'antun sau da yawa nuna daban-daban mitoci, amma da canja wurin da kudi ne ko da yaushe guda.

Babban amfani da dabarun zamani ya kasance don inganta kayan da aka samar. Ya bambanta da na uku ƙarni na video, na biyar gudu ya kan bas bit nisa na 128/256. A fannoni da dama ya taimaka ajiye wasu Manuniya. Saboda haka, a 512 bit GDDR3 amfani ga tayoyin. Wannan adadi ya karu guntu size, ta marufi, kuma ta haka ne da kudin da dukan model. Video katin da irin wannan cinye, kuma mafi yawan makamashi.

gabatarwar

Yanzu mun san na GDDR5, cewa shi ne video memory, aikin manyan masana'antun. Ba mamaki, da farko model na video katin bayyana a cikin 2008, shi ne daga, AMD. Ta zama ATI Radeon HD 4870. An gabatar a iri biyu, wanda ya sãɓã, juz'i na 512 MB da kuma 1 GB.

Akwai model na NVDIA Geforce. GDDR5 nan da nan zai bayyana a cikin jerin cards, tsakanin wanda aka :. GTX 550, da GTX 560, da GTX 580, da GTX 590, da GTX 660, da GTX 680, da dai sauransu Bugu da kari, irin wannan memory yanzu samu a karo na hudu version na PlayStation wasan bidiyo. A lokaci guda da aka sanya a can kamar yadda a RAM.

binciken

Taƙaita dukan sama, yana da muhimmanci a gane cewa da yawa lokaci ya wuce tun bayyana RAM. Video memory ya samo asali da kuma kafa. Yanzu na biyar tsara ba da mafi sauri zuwa duk. In mun gwada kwanan zama da aka sani da wani irin - GDDR5X. Shi ne sau biyu, kamar azumi. Duk da haka, shi ne mafi bukaci GDDR5 memory, ba kawai a matsayin wani bangare ne na video katin, amma kuma a matsayin mai raba RAM kwakwalwan kwamfuta.

Yanzu babban barazana, wanda zai iya taimakawa wajen bacewar irin wannan memory tare da kasuwar ne cewa ƙwaƙwalwar ajiyar yana babu inda kuma ya ci gaba da inganta. Bugu da kari, ya zuwa yanzu ba su gudanar da a warware matsalar da high makamashi amfani. Ko da yake dabi'u daga baya versions ne da yawa karami, duk da haka kome da shi ba ya warware. Haka kuma, ba cikin 'yan Trend zuwa overclocking, matsalar da babban iko amfani da gaggawa, kuma supercedes.

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