Ati Radeon HD 4850: Āhuatanga, āhuatanga me te arotake

Taau kē whakatere whakairoiro 8800GTS GeForce me GeGorce 9800GTX i NVIDIA i te kaihanga Canadian rongonui i roto i te tau 2008 ko te Ati Radeon HD 4850. tenei whāurutau whakairoiro ngā Hangarau kore e whakaritea rerekē i ona whakataetae tika, me te utu i te reira nui iti. Ka rite ki te hua, takoha Nvidia kamupene i ki anō tona kaupapa utu, me te kia wātea atu ngā hua. Ka rite ki te hua, kaihoko i te whai wāhi ki te hoko i te kāri whakairoiro kaha i te utu atu utu rite i Ati, me i NVIDIA.

hua Papamuri

I muri te putanga atu i te raupapa kāri whakairoiro Radeon HD 3000 te kamupene Canadian Ati ko tau tata kotahi me te hawhe kihai i tuku hua whakahoutia. Hoki te okioki kawea te raruraru ōhanga i roto i 2007, me rite ki te hua, tino heke te tono mō rongoā mahi whakairoiro. I roto i te mutunga, i akina atu nga rangatira tawhito ki te hoko tuarua-nui te kaiwhakawhanake me kaiwhakanao o tītipi ataata, me kua mahi rite te kaihoko, AMD. Ko te i runga i tenei ngaru me tīmata hoko Ati Radeon HD 4850 me te putanga atu hua o te otinga - ko reira te HD4870. kua Utu i runga i te papamuri whakataetae tika o te "matomato" puni raro me te taumata o te mahi i roto i te nuinga o ngā tono - tata ōrite.

I-kongakonga i tonu tono kāri ataata Ati Radeon HD 4850. logo Atekōkiri "Catalyst" raupapa hoki tuatahi i te waitohu o te kaihanga Canadian. Ko reira, pera me te whakahou pūmanawa, reira kua whakakapia e AMD. Ka rite ki te hua, i roto i te heke mai, tenei hua kua kua riro mohiotia rite te Radeon HD 4850 AMD o.

rongoā motuhake

Kua Ati Radeon HD 4850 kua hanga ki runga ki te pūtake o tetahi o te Semiconductor GPU tino hua 2008. Nä, ko te ngā hangarau i tukua e ia i taua wa ki te whakaoti tata tetahi raruraru. Ka rite ki te hua, kua ia kua arotahi ki runga ki te whakamahi o te hanganga o te pai rorohiko mahinga petipeti o te wa, ranei wāhimahi whakairoiro. takahi, i taea hoki te whai wāhi i te reira i roto i te hanganga me wāhimahi rongorau ranei PC, engari e kore e te i roto i tenei take tino whakamahia tona kaha, a kihai i katoa whakatikaia tenei huarahi i te wāhi ōhanga o te tirohanga. Hoki taua pūnaha e e te aroaro hua iti pai i te utu o raro.

kōwhiringa

Wae i roto i tenei hua i rite whai:

• Ko te kāri ano tāuta pūnaha tautauā.

• Ako ā-ringa, tāpiri kāri raihana.

• tuwha CD-ROM, te taraiwa me te tahi atu pūmanawa motuhake.

Ētahi o ngā kaihanga ki te whakatairanga atu hoko o te hua whakakapi te pouaka pepa mua i runga i te whakarewa e mau ana take. tohu te reira i ki tona natura moni. kore kua whakahörapatanga rahi o tenei mahi riro, engari te meka e he reira e tika ana ki te mōhio tonu.

aratau o mahi

aratau Basic o mahi o te hua - ko te kāri tuakiri hei wāhanga o te PC. Ko tautoko ano hoki tenei otinga Ati hangarau kamupene i huaina "Crossfire." takoto Ko tōna ngako i roto i te meka i whakatakotoria e rave rahi i'ai hōputu PCI Express 16x maha whakatere whakairoiro (te tikanga i roto i tenei take 2 ranei 3). E anō hono ratou ki tetahi ki tetahi i whāurutau motuhake. Ka rite ki te hua o te tukatuka o te mōhiohio whakairoiro i ngā waenganui i maha accelerators whakairoiro, a ko reira taea ki te whiwhi i te hua nui i roto i te tere.

whakatere Tawhā whakairoiro

ingoa Code o te maramara silicon, te matua o te Radeon HD 4850 te Ati, - RV770 taupū PRO. I hanga te reira i runga i te hangarau tukanga 55 nm, i te wa ko e te pai. I roto i tenei kongakonga Semiconductor kua tono 956 miriona huānga transistor. Ko te mōkihi wera kei roto i rite ki te 110 Watts tenei take. Tau o pūtukatuka rite whakaritea ki nga whakatupuranga e rua o ngā kāri o mua neke noa ake 2 nga wa i 320 ki te 800 nga wahi. Ko tenei otinga engineering whakaaetia ki te whakapiki ake i tino te tere o te maramara. Hoki, kua waihanga te hoahoanga o enei pūtukatuka.

Ko te wāhi tuarua - e kore e Kei te piki haere te maha o ngā wae kakano i 16 ki te 40. Ko te maha o ngā poraka ROP (ngā mahi rasterization) ke a tonu i 16. Memory hōkaiipurangi i rite i roto i tenei take, 64 GB / s. Kua te pūurutau iho kua papaitia ki te mahi ki te PCI pahi Express 2.0 aratau. Ka taea e koe te whakamahi i te reira i roto i te aratau o 1.0, engari ka whakaiti te reira i te tere. Otiia i roto i te kaupapa ki te tautoko mō te 3.0 "bottleneck" Ka whai reira he whakatere whakairoiro. Na reira, titiro te mahi rite te whakatere whakairoiro he tino pai tenei te faatura i roto i te taha ki te kaupapa, e mahi tino i roto i PCI Express aratau v i. 2.0.

pūmahara

Na roto i te whakamahi o te paerewa maramara RAM GDDR3 i herea Ati Radeon HD 4850. 512MB - ko reira te nui o te RAM taea e koe te nuinga o maha e kitea i roto i te taha ki te maramara takawai. Tino putanga iti noa, me te ake matatau o tenei whakatau, kua nei kua oti ki te 1 GB o RAM. pahi mahara Moka kei roto na'e iku tenei take ki te totoka, ara e te paerewa o te tenei ra 256 paraire.

Tata ōrite tawhā i pakeke te kāri whakairoiro tenei aho - HD 4870. Ko e te tika te momo o te mahara i roto i tenei take, kua kua kua GDDR5. Tenei hanga taea reira ki te whiwhi teitei tere karaka me ngā taumata mahi o te mahara. No te whakarite, te HD 4850 ko tenei uara 2000 anake MHz, i te HD 4870 - 3600 MHz.

atekōkiri

Ko te āhuatanga uaua i te tīmatanga o hoko ko he taraiwa tika. Te āhua, e kore e hötaka Canadian whai wā ki te kawe ia ratou ki te tino, a rite ki te hua i reira i ngā hapa i roto i tono taonga tākaro rere i runga i PC ki Ati Radeon HD 4850. Kua hoki kua atu he mea parakore te atekōkiri, me katoa o nga kohakore tāutuhia whakakorea. I roto i tenei take, te logo Ati i te pūmanawa i whakakapi e AMD. Taua mau faahuru, mo te urupare kaiwhakamahi, ngā te mahi tino pūmau o taua whāurutau whakairoiro. A i runga i putanga nui katoa o te pūnaha whakahaere "windose" i te wa - XP "Vista" me "7". Well, Ko hoki te wahi o te pūmanawa pūnaha i roto i tenei take, e kore whai wāhi matua, a taea te hoatu ki runga ki nga whakarerekētanga OS moka-32, ara ranei i runga i moka-64.

Ko te āhuatanga ki te whakaterenga

pūmanawa overclocking i roto i tenei kongakonga Semiconductor he tino pai. Ko ki mahi taua mahi i tika ki te pīkau i te PC supply mana kaha (e kore e iti iho i 750 W). Hoki, me te rawa te whakatere whakairoiro ki te pūnaha tautauā matatau. Na reira e kore te tūtohu kāri ki te totohu wera hāngū me te pūnaha turanga tautauā ki overclock. A taea te i raro hua anake ki huinga kamupene o faatoetoeraa ki tenei tukanga. Ka rite ki te hua, te whakamahi i Ati e akiakina whaipainga taea te whiwhi hei utu o te huinga o 625 MHz (mo te maramara whakairoiro) me 2000 MHz (mo RAM) hononga 685 MHz me 2150 MHz, aua. Tenei tere atu 8-9 ōrau. Atu te whakapai ake i taea te whakatere taua. Hono mo'oní, ki te hinga te rohe o 700 MHz, kua meinga tenei whakatere te whakataetae tika ki te pakeke tauira HD 4870. Mai i te wāhi o te tirohanga o te hoko i te āhuatanga taua he Kāore noa.

Whakataetae hua i runga i te wāhi putanga

Ati Radeon HD kāri 4850 whakairoiro i te wa o tona tuku, rite tuhia mua, ko te whakataetae tika o ngā hua e rua i NVIDIA. Tenei GeForce 8800GTS ko GeForce 9800GTX. I roto i te take tuatahi, te örite i waenganui i nga hua i rua i roto i te utu me te mahi. A mo te tere tahuri reira i roto i ki te kia noa atu pai te hua i Ati. Ko te mea i roto i te aratau noa. I roto i te take o te otinga whakaterenga wāhikē NVIDIA backlog me ētahi wā noa pakaru atu i roto i te mua. Ko whakaaro GeForce 9800GTX ona whakaritenga hangarau ko atu hua accelerators whakairoiro, ka rite ki te hua, utu atu. Ko te rerekētanga i roto i te tere ko te 7-10 ōrau, e ara overclocking e kore e tukua utu.

Te āhuatanga i roto i ngā whakamātautau waihanga

I roto i te noa aratau HD 4850 i roto i te MARK PC waihanga 2006 whakamātautau homai 12,200 ngā. Ki te overclocked reira ki iarere me 685MGts 2150MGts aua, he reira taea ki te whiwhi i tētahi atu kotahi mano ngā. Ka rite ki te hua o tona mahi i roto i tenei take, ka aromatawaia reira rite wawe rite 13.200 ngā. I roto i te tahuri, GeForce 880GTS i tenei take, kua whakarato ara te putanga taketake 13,500 ngā. Well, ki te ara tenei overclocked ki 820MGts / 1890MGts, kua riro kē i te reira 15,000 ngā. Ka rite ki te hua, te otinga whakamātautau waihanga i te "matomato" kaihanga te mea pai. Otiia maha kahore e pā ana te mahi tūturu o enei ngā mariko. Ēnei uara whakaatu anake te tohu tiketike o te pūmanawa arotautanga. I roto i tenei take, te taraiwa i runga i te kāri whakairoiro Ati Radeon HD 4850 Ko noa e kore "kiia ake" mo tenei whakamātautau.

Opportunities i roto i ngā kēmu o taua wa

āhuatanga ripeneta rerekē ki tono petipeti i roto i ngā o te mahi i roto i tetahi raina hua Ati Radeon HD 4850 Series. Te atekōkiri i roto i tenei take kua kore e tākaro i te taua wāhi nui.

Kia tīmata a ki te Quake vahi o te enemi War. I roto i tenei kēmu, te mahi o to tatou arotake o te hero hopu noa 9800GTX. Ko te HD 4850 Ko te maha o whakapakoko putanga ia te rua he rite ki te 86. I roto i te tahuri, 9800GTX, tenei uara ko 81, i te 8800GTS - enei whika 71 katoa e tika mo te aratau o 1680 x 1050. Ki te hua i roto i te taumira ki runga ki te 1920 × tonu 1200 au, a ka waiho tohu i aua 72, 66 me te 58.

Ko rite ki te "Life Haurua 2" te āhuatanga. No te mea ka kia rite te uara aratau tuatahi ki te 111, 103, me te 89, me mo te tuarua - 88, 82 me te 71. āhuatanga Paku ke i roto i Perseus Mana. Na ka te hoko otinga 9800GTX ki tohu 184 te rangatira (mo 1680 x 1050) me 149 (mō te 1920 x 1200). Tohu HD 4850 e 162 me 127 aua. Well, 8800GTS tata rite - 157 me 129.

Ngā te taua, me te Call rite o Fatongia 4. I roto i tenei take i te uara 9800GTX 82 me 72 mō te HD 4850 - 79 me 67, me hoki 8800GTS - 72 me 62. Ko te rerekētanga i waenganui i te wahi tuatahi, me te tuarua i roto i tenei take, iti i roto i ngā o te mahi , engari te utu rerekē ratou tino.

I roto i te Whakataetae Unreal 3 ano taui āhuatanga tino. ano hei rangatira HD 4850 ki tohu 121 (mō te 1680 x 1050) me 97 (mo 1920 x 1200). I roto i te wahi tuarua - 9800GTX c tohu 117 me 92. Ko te whakamutunga - 8800GTS ki 102, me te 80 aua.

He au rite tonu i roto i te nuinga o ngā tono petipeti. Nuinga o ngā wā outpaced HD 4850, ahakoa paku anake, tona whakataetae tika i roto i te mata o 9800GTX. Ano, mau tenei āhuatanga mō te pūmanawa 70 ōrau. Otiia i roto i te toe 30% ko reira kua he 9800GTX rangatira. Ko Me kï reira e kore i pera nui te rerekētanga rawa. A, no te i hanga tenei maramara e 9800GTX tawhitotia i te tukanga hangarau wa (65 nm) ka i he wera teitei (156 Watts). Huri i te reira i roto i taua ko te hoko atu pai i taua wa HD tika 4850.

hoahoa Special o tenei kāri

faaoti nga Engineers i taua wa tonu he kaiwhakanao Canadian o nga hua tutuki kore ki te mutu. tukua ratou he whakarerekētanga ake matatau o te whakatere - Ati Radeon HD 4850 X2. ira X2 kuhimua ki te meka e ko te kāri whakairoiro rua-GPU tenei. Fakatatau ki ai, kua rite rawa ai ki te pūnaha tautauā ake, me ona ngā hangarau, ara inaianei e taea te whakaoti te nuinga raruraru. i runga i taua hua ano hoki he hakari whakahauanga 1 GB o RAM. Ko nui atu te utu Utu o te whakatere taua. Ko te anake kino e ko te reira i te wa tuatahi i muri i te tīmatanga o hoko, - arotautanga pūmanawa kino. Ehara i tākaro katoa "rite" tīmata reira. Otiia kua whakaritea e te atu whakahou o Engineers pūmanawa i AMD tenei take.

utu o

Tino, tahuri te kounga tiketike rawa Ati Radeon HD 4850. Whakatakotoranga ko reira tino faahiahia, a ka tohu nga hua whakamātautau he tere tiketike. Ka rite ki te hua, e kore e taea e te hua taua kia cheap me utu. Otiia ara i roto i te āhuatanga ōhanga rawa uaua, kua whakahaere Ati ki te pupuri i te toenga o te utu me te mahi, me te whakahere i te whakatere mo te uara manapori o $ 199. Otiia i na mauruuru tenei whakarerekētanga taketake. I muri mai i reira i atu putanga matatau, te utu o e taea tae noa 320 tara. Otiia i roto i tenei take, e tango te kaiwhakamahi i te otinga ake ki totohu wera kounga tiketike, me te iarere tiketike. Ano, ka ko he taea, ahakoa iti, overclocking whakatere whakairoiro tenei.

Reviews

Ko te drawback matua o rongoā raina katoa Ati Radeon HD 4850 Series ko pūmanawa ngoikore. Tino maha, arahina te taraiwa hua ki te meka e kore e tikanga whakahaeretia etahi kēmu ataata i runga i te taputapu rite. Ko enei "mōwaho" i te kēmu, me te "mīti", me te putanga o "mangu" mata, ahakoa mahi pai te rorohiko. Kei te tohu te reira i roto i roto i te arotake o te rangatira o te whakatere taua. Ko reira, pera me whakahou tatou te pūmanawa, i faatiti'aifarohia nga raruraru katoa, a i roto i te heke mai ka whakatika kahore raruraru ki te Radeon HD 4850 te Ati.

whakawhanakehia Windows 7 atekōkiri te i roto i te ara ōrite. Aita i maoro roa i te aroaro reira "raw" whakaminenga ki etahi huakore, i reira kua kawea AMD Engineers ki tino. Ko te painga matua o tenei hua ko te ōwehenga o "utu / mahi". I te utu o 199 tara, ka taea e tenei hua whakataetae i runga i tata rite ki 8800GTS GeForce utu noa he GeForce 9800GTX ranei.

hua

e kore e Tetahi huringa hou i roto i te wāhi o accelerators whakairoiro whakaurua te Radeon HD 4850 te Ati ko tona tuakana i roto i te mata o te HD 4870. Ko te huringa whanaketanga o te whakatupuranga o mua o ngā hua tenei, ahakoa ki te tukatuka tawhā hangarau nui o te whakatau. Ko te putanga o enei rongoā i roto i te wāhanga moni, "ngaueue whakataetae tika» Ati kamupene o - NVIDIA. Ka rite ki te hua, whakamutunga hou ona kaupapa utu, me te tino whakaiti i te utu ki te accelerators whakairoiro i roto i tenei wāhanga. Ka whai hua tenei anake te kiritaki whakamutunga e kua ha faingamālie ki te tiki i te otinga pai atu i te utu iti. A ka taea e ara koe te whiriwhiri i te kāri whakairoiro, ranei i te puni "whero" (arā, Ati / AMD), ranei "» matomato (NVIDIA).