A Radeon HD 4870: wani bayyani, dalla-dalla, photos, da sake dubawa

Kowane iri a cikin Electronics kasuwar akwai na musamman da samfurin cewa ya kawo labarinka, to da manufacturer, kuma ya tafi a tarihi saboda da fasali. Kamfanin ne shugaba a wannan ATI caca video katin Radeon HD 4870. Review, dalla-dalla, photos, da sake dubawa na masu a cikin wannan labarin zai taimaka wa mai karatu ya san wannan ban sha'awa samfurin.

Yanzu Jihar harkokin

Nan da nan ya kamata a lura da cewa da zarar rare da sosai high-yi graphics katin for shekaru da dama yanzu bautar karshe matsayi a cikin ranking na caca na'urorin, duk da haka, a yi, don ku ba da graphics totur ba faruwa ba tare da wani yaki. Idan mai karatu zai dubi tsarin da bukatun ga latest wasanni a kasuwar 'yan watanni da suka wuce, lalle za ku ga cewa, ga wani dadi game Developers bayar da shawarar yin amfani da Radeon HD 4870, da halaye na wanda sadu da m bukatun.

A fili yake cewa a yi wasa a high shawarwari m aikace-aikace a cikin graphics adaftan ne mai wuya a iya zo, amma m na graphics totur har yanzu akwai, musamman idan muna magana ne game da wani dual core wakilin kasuwar. Amma game da duk domin.

Asali sanin caca

A Radeon HD 4870, kamar yadda sun yi tsayayya da sauran kayayyakin 4000-jerin graphics katunan da hukumar ATI ne, ya samu wani sabon RV770 core, kuma, bi da bi, da kuma na zamani umurci kafa tare da goyon baya ga duk data kasance a lokacin da fasaha. A cikin yankin na crystal tsakiya m 256 mm ² iya saukar da kusan biliyan 1 transistors. Graphics totur 800 yana a duniya processor 16 rasterization da texturing raka'a 40 raka'a. Wannan katin yana daya daga cikin na farko zuwa sami wani ci-gaba 256-bit memory bas GDDR5, aiki a 900 MHz.

Graphics core ake factory samu underestimated mita daidai to 750 MHz. Duk da haka, mai karatu ya kamata ba a kula da wannan siffa a matsayin karshe kayayyakin, bayar da sanannun brands, mun yanke shawarar da batun tare da graphics processor gudun. Better Kula da ikon amfani da caca da adaftan - 160 Watt a iyakar load. Akwai wani abu to tunani game da duk masu low-ikon ikon kayayyaki.

Duk da aka sani da fasaha

Tun da video katin Radeon HD 4870 cika halaye ne da fari, da manufacturer kawai ya samar da su samfurin zuwa ranar a lokacin DirectX 10.1 dakunan karatu. OpenGL misali an iyakance shi to nuna alama 3.1, wanda ƙwarai gauraya m abokan ciniki, saboda a lokacin da gabatar na'ura, ya riga ya sanar da OpenGL 4.0. The mafi ban sha'awa shi ne cewa na'urar ya samu goyon bayan da sabon Shader 4.1. An wannan fasahar har yanzu damar da graphics katin zama popular in da caca kasuwar. Video adaftan aiki tare da m dubawa PCEex16 2.0. Matsakaicin mataki na anisotropic tacewa ne 16x.

Kadan muhimmanci ga mai hoto totur ne kuma goyi bayan ga m video jimloli DisplayPort da HDMI. A Hadakar mai kula kan video audio da kuma goyan bayan hanyar canja wata 7-tashar kewaya sauti. Yana mamaki cewa wannan fasaha da aka aiwatar a kan wani dijital dandamali ga sirri kwakwalwa, da kuma hannu da na'urorin. Ya kamata a lura da cewa analog video fitarwa yana da iyaka zuwa wani ƙuduri na 2048x1536 dpi, yayin da dijital dubawa, wannan siga ba kyau - 2560x1600 dpi.

biyu whammy

Bayan na farko gwajin video wasan a cikin dakin gwaje-gwaje, fasaha ya zo ga ƙarshe cewa Radeon HD 4870, da halaye na wanda za a iya modified, shi zai iya zama kamfanin ta flagship ATI. A canje-canje ya shafa da farko da ikon samar da tsarin da kuma lokaci rarraba. Har ila yau, manufacturer shigar a kan video adaftan, biyu RV770 graphics core. A sakamakon haka, da kasuwar sawa wani sabon zakara a kan yawan aiki a gwaje-gwaje da kuma wasanni - da graphics katin HD 4870 x2.

All bayani dalla-dalla ne maras na'urar zahiri ninki biyu. Ko da a cikin dakin gwaje-gwaje nazarin ya nuna m sakamakon nuni da adaftan tushe na'urar da ke aiki a gwabza x2 yanayin. Iyakar abin da bambanci, wanda aka sanya wa da isa yabo - ne don rage ikon amfani da na'urar. Manufacturer ya iya rage amfani da biyu tsakiya har zuwa 280 watts. Ga alama quite m. Bayan duk, Azancin, da manufacturer kawai ya yi a sake saka alama na single-core kwakwalwan kwamfuta tare da babban ikon amfani.

Make hay yayin da rana haskakawa

Graphics core caca rubutu masu yi da kuma sha'awar, don haka kamfanin ya gabatar da kasuwar da ATI Motsi Magani a kan wani sabon graphics core. Tun guntu Radeon HD 4870 yanayin zafi da kuma ikon amfani ne m sigogi, da manufacturer da aka tilasta su runtse da GPU mita zuwa 550 MHz. Amma wadannan Manuniya caca kwamfyutar isa ya samar da wani dadi wasan saboda mutane da yawa masu amfani.

All sigogi, ciki har da fasahar amfani, sun yi gudun hijira zuwa mobile dandamali. Da sauƙi 256-bit bas tare da GDDR5 1 GB bai je kada a gane ta da yawa m saye. Kamar yadda iya sa ran, da yawa rubutu masana'antun sun ba biya isa hankali ga sanyaya tsarin, saboda wanda janyo hankalin mai yawa negativity daga masu hannu da na'urorin. Saboda tartsatsi damunsu na masu amfani, kera zarar watsi da Radeon HD 4870.

kai tsaye gasa

AMD ya fara wata guguwa na aiki a kan wata caca da mafita tun bayyana a cikin kasuwar a gasa ta samfurin Geforce 9800 GT. Radeon HD 4870 ya motsa da kasuwar jagora a cikin caca kashi. Amma, kamar yadda yakan faru, kamfanin ta fasahar overdone kuma suka daɗa yi graphics totur NVDIA. Kwararru da yawa na da'awar da sake dubawa na wasu, cewa wannan guntu ne a haɗa mahada tsakanin biyu ƙarnõni na caca graphics.

Kuma idan kun koma zuwa gasar, za mu iya amince ce cewa Radeon HD 4870 ya kara da zargin sabon m raka'a a cikin caca kasuwar. Bayan duk, da graphics totur NVDIA GTX 260 da kuma zama na farko da wakilin wani sabon ƙarni na video cards, wanda aka to fi kwaikwayon na duk fafatawa a gasa.

Bayyanar da kuma ingancin

Roba m hali da kuma turbo fan a kan graphics totur Radeon HD 4870 (na'ura photos za a iya gani a cikin wannan labarin) da shawara cewa mai saye wakilin caca kashi. A buga kewaye hukumar graphics halitta ta amfani da ja PCB da zafi kwatami casing da kuma high-mai sanyaya da haske ja launi zuwa dace da samfurin na AMD.

A cikakken nazari na jeri na kwakwalwan kwamfuta a kan graphics totur, wani mai amfani da za a bayyana a fili cewa manufacturer ba zai sayar da kayayyakin a kiri, da kuma samar da wannan damar da shugabannin kwamfuta kasuwar. Hakika, a tseren lashe wasan kwaikwayon iri da za su iya samar da na'urar da wani iko da zafi mai kyau da sanyaya tsarin.

A bin da taurãri

Fara da graphics totur Radeon HD 4870 review na mafi kyau tare da mafi m kayayyakin daga NUNA kuma Sapphire kamfanoni don ƙirƙirar wasan Sukan yin wani guntu 4870 x2 da biyu tsakiya. Mutane da yawa masu a cikin martani nuna cewa a lokacin da sanarwa daga cikin wadannan katunan kawai ba fafatawa a gasa, a cikin kasuwar domin kwamfuta caca aka gyara. Bugu da kari zuwa high yi video adaftan da yawa wasu abũbuwan amfãni:

• musamman kayan aiki, ciki har da wani sa na bukata dubawa adaftan da igiyoyi.
• cikakken mutated PCB ikon tsarin da Bugu da kari da dama bulan.
• sauyawa daga electrolytic capacitors a kan m-jihar capacitance.
• sanyaya tsarin shigar kansa samar da wani tasiri zafi kau daga biyun da GPU da ƙwaƙwalwar kwakwalwan kwamfuta.

Komowa zuwa samfurin sanyi NUNA, shi ne ya kamata a lura da cewa graphics katin manufacturer ya bayar ta na mallakar tajirai na'urar cewa hadawa a sukudireba, matakin da tocila. Har ila yau a cikin akwatin mai saye zai sami wani coupon for free download wani lasisi wasanni daga Half-Life jerin.

araha samfurin

A mafi kyau-sayar da video adaftan a kan wani guntu Radeon HD 4870, idan aka kwatanta da wadda fi son ka ciyar duk masu goyon baya na duniya, shi ne wani samfurin da Asus. A manufacturer yana da su kai wani tsakiyar ƙasa a cikin sharudda na farashin da kuma cika, tilasta yawa mambobi ne na farko kashi na wasan don rage kudin da kayayyakin, to ko ta yaya zauna a kasuwa.

Babban siffa daga cikin graphics katin ne da karuwa a yawan bulan ga developer wadata PCB haihuwarka. Har ila yau, fasahar da aka ɓullo da ingantaccen sanyaya tsarin bude. Kuma mai sanyaya gidan ruwa core sanya tsantsa tagulla, da ake saka a cikin na'ura kawai a graphics core. Ƙwaƙwalwar kwakwalwan kwamfuta (wanda ƙarar da aka halved, kuma kawai 512 MB) ƙaho da wani fan da surfactants ba su da nasu zafi sinks ga zafi masha'a.

Caca yi da kuma overclocking m to

Mutane da yawa masu a su sake dubawa ce cewa Radeon HD 4870 1 Gb yi halaye ne kai tsaye dogara a kan graphics core. Haka kuma, ga hanzari ka bukatar ka damu game da kasancewar wani iko da sanyaya tsarin. Tare da ƙwaƙwalwar kayayyaki a duk kayayyakin da guntu HD 4870, akwai wasu matsaloli. Don shawo kan shãmaki daga 1000 MHz (4000 MHz mita m) m iri da kuma iya ba. Daya kawai ƙarshe - da buga kewaye hukumar yana da matsaloli tare da azumi memory. Mutuncin akwai daya - ƙwaƙwalwar kwakwalwan kwamfuta ba mai tsanani.

Da mai saye zai iya ƙidaya a kan wasan kwaikwayon na wasan adaftan da wasanni, kamar Crysis 4, World of Tankuna da kuma takwarorinsu wanda raba guda sarrafa kwamfuta ikon, kuma ba mayar da hankali a kan m na graphics totur. Kamar yadda yi nuna, da Radeon HD 4870 ne mafi alhẽri ga shigar da malochastotnym dual-core ko 4-core processor.

Driver matsalolin da su mafita

Bayan da a saki na duniya kasuwar tsarin sabunta Windows 10, da yawa yan wasa sun matsaloli tare da shigarwa na direbobi. The official website na manufacturer babu wani software da goyon baya ga dukkan na'urorin dogara ne a kan 4000 jerin graphics cards. Har yanzu, AMD, bayan Ana ɗaukaka da tsarin aiki ki yarda su goyi bayan da kayayyakin (NVDIA ta gasa biyayya ga masu mazan na'urorin ne yafi hakan).

Don yakamata yi a kan graphics katin Radeon HD 4870 dangane a shirin matakin, kana bukatar ka yi amfani da Windows Update. Ba za a sa ran cewa sauke cikakken kunshin kayan aiki, shi kawai bukatar download daga hukuma shafin na manufacturer. Microsoft za ta samar daya kawai direban, wanda ya samar da karfinsu da graphics totur motherboard lokacin da aka haɗa. Wannan dabarar AMD kayayyakin to abokan ciniki ne mai yawa negativity daga masu na'urorin dogara ne a kan Radeon.

mai amfani reviews

Rasa wurin da matsaloli tare da direbobi, mai saye, zai iya samun video akwai matsala, kuma mafi muhimmanci. Related graphics totur dangane da Radeon HD 4870 guntu dauke da sake dubawa na masu yawa na negativity game da ikon amfani da na'urar (har yanzu 160 watts). Ganin caca processor, memory kayayyaki da kuma mahara wuya tafiyarwa, m wutar lantarki dole 600-750 watts. Kuma wannan daya ne kawai-lokaci ta halin kaka, da kuma duk da haka mutane da yawa manta game da wata-wata amfani da wutar lantarki.

A NVDIA gasa tare da ikon matsala bace a shekarar 2011 lokacin da manufacturer ya tafi a kan 11-nm fasahar, bude wani sabon zamanin kasafin kudin na'urorin. Ga wani abu to la'akari ba kawai m saye, amma kuma masu caca da na'urorin da suke a search na zinariya nufi shi ne ba sosai masani a kudi lissafin.

a ƙarshe

Game da graphics katin Radeon HD 4870 tasowa a raba ra'ayi. A daya hannun, a high-yi na'urar da cewa a cikin 'yan shekaru na tallace-tallace bai rasa ta munasaba saboda da manyan m yawan aiki da jingina a factory. A daya hannun, ba za a iya watsi da ga backlash masu amfani da caca graphics adaftan tilasta saya m samar da wutar lantarki da kuma wata-wata wutar lantarki ta halin kaka. Kuma bayan da a saki na Windows 10, kullum, da yawa m buyers suna kawai jũya daga AMD kayayyakin, domin shi ne ma'ana ya ɗauka cewa da a saki version 11 na tsarin aiki support iya gama ga 5000 line na caca graphics.