Radeon HD 7950 katin bidiyo: gwaji, nazari da sake dubawa

AMD yana daya daga cikin shugabannin cikin kasuwa na katin bidiyo. Wannan nau'in yana samar da masu daidaitawa a sassa daban-daban na farashi. Daga cikin shahararren masu kyauta na katunan bidiyo na AMD shine na'urar Radeon HD 7950. Yana da nau'i na mafita, amma duk da haka, ana ɗaukar shi ne a matsayin kullun har ma a baya na na'urori masu yawa. Saboda wadanne albarkatun da na'urar HD 7950 ke tsayayya wa gasar a cikin sashi?

Bayanan bayani game da na'urar

Hoton katin AMD Radeon HD 7950 ne na'urar da aka samo ta da na'ura mai daukar hoto ta Tahiti, wanda ya ƙunshi sassan transistors na 4.31 kuma an haɓaka a cikin fasaha 28 na nm. Akwai rassa guda 28 da suka haɗa a tsarin tsarin adaftan. A cikin kowannensu - 4 ƙananan matakan, kuma a cikinsu, bi da bi, 16 shaders. Ana iya ƙididdige cewa maƙallan mahimmanci yana da na'urorin sarrafawa 1792. Hakan na babban guntu wanda aka sanya akan Radeon HD 7950 shine 800 MHz. Kwancen sarrafawa mafi girma shine 2.87 TFlops. A cikin wannan adaftar na'ura akwai nau'i takwas na rasterization, wanda ya ba da damar na'ura don aiwatar da rawanin radiyo 32 cikin 1. An haɗa su da masu sarrafawa 6 na nau'in 64-bit. RAM na katin bidiyo Radeon HD 7950 shi ne 3GB, ƙwaƙwalwar ajiya tana aiki a mita 1250 MHz. Ramin busar mai ƙananan wuta shi ne 384-bit.

Tessellation

Za muyi nazarin yadda kayan aiki ke da kyau a cikin ɓangaren tessellation. Ana iya lura cewa saboda ƙimarsa yana da mafi kyau ga amfani da alamomin kamar HAWX 2, wanda, musamman, akwai wani zaɓi don musaki aikin a tambaya - bayan haɗawa tare da sauran saitunan saitin bidiyo. Ana iya samun kwarewar mafi kyau na saurin adaftar tare da tessellation wanda zai iya samuwa ta hanyar kwatanta alama mai nunawa a cikin gwaje-gwaje tare da sakamakon da aka nuna ta hanyar samun nasara, musamman daga NVIDIA. A sakamakon gwajin gwajin na'urar, Radeon HD 7950 ya nuna aikin da tessellation ya ba da damar kimanin 82% mafi girma fiye da lokacin da aka kashe aikin. Mai nuna alama ya fi yadda za a gwada wasan kwaikwayon katunan wasanni - daga NVIDIA, kuma a cikin hanyoyi guda biyu - tare da sawa da nakasa.

Sautin

Yana iya a lura cewa kamfanin AMD an dauke su da farko alama don gabatar a kerarre devaysakh yawo audio watsa fasahar for High Definition duba, musamman, a cikin tsare-tsaren kamar Dolby True HD, kuma DTS-HD Jagora Audio. Abu mafi mahimmanci shi ne cewa shirin da ake amfani dashi don kunna fayiloli na multimedia tabbatar da canza sauti daga tsarin matsawa zuwa linzamin kwamfuta, kuma zai iya aika da siginar zuwa na'urar da aka kunna waƙar, ta hanyar hanyar sadarwa ta HDMI. Daga cikin siffofin da aka fi sani da AMD Radeon HD 7950 dangane da sauti shine ikon da za a yi wasa guda daya daban-daban.

Overclocking

Adireshin mai ba da labari a cikin tambaya zai iya saukewa da sauri. Gaskiya, karɓar na'urorin da masana'antu ke sarrafawa tare da wannan zaɓi na iya bambanta. Don haka, manyan kamfanonin dake ba da katin kwalliya a kasuwanni shine Sapphire, ASUS, Gigabyte, XFX, Powercolor. Radeon HD 7950, wanda yake da cikakkiyar daidaito tare da overclocking, bisa ga yawancin masana IT, suna samar da alama XFX. Wannan shi ne mafi yawan gaske saboda gaskiyar cewa na'urar a cikin wannan sutura ta sanye ta da tsarin sanyaya na musamman.

Saboda haka, a maimakon fan daya a gefen katin bidiyo, kamar yadda a wasu samfurori, a cikin na'urar da aka yi la'akari, ana amfani dasu biyu masu sanyaya. Suna samar da ragowar ƙetare kai tsaye a sama da na'ura mai kwalliya, yayin da na'urar radiari ke kawar da zafi. An samo iska daga na'urar ta hanyar ta baya. Wani adadi mai yawa na iska mai tsanani yana kwance a cikin kwamfutar yakin. Kamar yadda wasu kwararru na IL suka lura, da kuma, a gaskiya, mawallafi na wannan gyare-gyaren katin hotunan HD Radeon 7950, wannan tsarin sanyaya yana da ƙananan ƙananan ƙwararru fiye da wanda aka sanya a cikin sakon daidaitacce na adaftan haɗi.

Ana iya lura cewa na'urar daga XFX yana da wasu halaye dangane da aikin. Babban mawudin sarrafa na'ura mai sarrafawa a cikin wannan gyare-gyaren ayyukan katin a 900 MHz, ƙwaƙwalwar ajiya a 1375 MHz. Mafi amfani ga masu amfani da katunan shafukan overclocking shine AMD Overdrive. Daidai ne mafi kyau duka, bisa mahimmanci, ga kowane irin na'ura - alal misali, Sapphire Radeon HD 7950 ko, alal misali, na'urar daga Asus. Amma don gyaran katin bidiyo daga XFX, za'a iya rufe shi a kan yanayin da zai kasance mai zaman lafiya, har zuwa kimanin 1025 MHz a cikin ɓangaren maɓalli da 1450 a cikin sassan RAM.

Kamar yadda gwaje-gwajen da masu sana'a na TI suka nuna, aikin da aka rufe ya yi aiki da sauri fiye da maɓallin daidaitaccen fasali a cikin wannan layin - Radeon HD 7970. Yanayin zafin jiki a yanayin ƙwaƙwalwar ajiya shine kimanin digiri 75. Tsarin ƙara, wanda aka bayar da katin bidiyon daga XFX, yana da kusan 37.3 dB.

Hanyar PC mafi kyau

Radeon HD 7950 zai iya nuna mafi kyau duka aikin kawai idan kwamfutar ta sanye da kayan aikin hardware tare da matakin buƙatar da ake buƙata. Cibiyar shawarar PC wadda ta dace da wannan ka'idar ya kamata ta haɗa da:

- Matsakaici matakin Intel Core i7, yana gudana a wata mita mita na kimanin 4 GHz, yana da cache 3-matakin a adadin 15 MB kuma yana goyon bayan fasahar Hyper-Threading;

- matakin kwakwalwa Gigabyte X79-UD5, sanye take da chipset X79 Express, da kuma samun BIOS a F8;

- Modules na RAM na irin DDR3-1600 a girma na kimanin 16 GB;

- Rumbun kwamfutarka ta amfani da fasahar SATA, wanda ke bada musayar bayanai a saurin kimanin 6 Gbit / s.

Mafi ƙarancin tsarin aiki don daidaitattun PC ɗin da aka lura shine Windows 7 a cikin 64-bit version. Dandalin, wanda aka gina a kan abin da aka ambata a cikin matakan da aka ambata, yana iya samar da babban abun da ke cikin katin bidiyo a kusan kowane canji, ko kuma ASUS Radeon HD 7950 haɗin kebul, ko, alal misali, na'urar Gigabyte.

Ayyukan bidiyo a cikin gwaje-gwaje

Yanzu muna binciken sakamakon binciken gwajin gwajin. Daga cikin shirye-shiryen da aka fi dacewa domin auna yawan gudunmawar katunan bidiyo - 3DMark 11. A sakamakon gwaji tare da wannan software, katin bidiyo, musamman, ya ƙaddamar da matsala daga NVIDIA - adaftar na'urorin GeForce GTX 580. Duk da haka, bai fi dacewa da na'ura mai dual-process Radeon HD 6990 ba.

A cikin jarrabawar Sandra 2012, zaka iya, musamman, auna aikin katunan bidiyo a cikin yanayin yin amfani da kimanin 32-bit-lissafi da kuma 64-bit - tare da daidaituwa biyu. A wani ɓangare na gwaji na daidai, Radeon HD 7950 ya wuce gabanin gwagwarmaya daga NVIDIA - GTX 580 na adaftan haɗi, amma bai fi dacewa da samfurin tsari na layinsa ba, har da na'ura mai dual-processor HD 6990.

Wani gwajin da aka shahara a wannan shirin ya hada da ƙididdige bandwidth na bayanan bayanai tsakanin GPU da RAM. A HD 7950 graphics katin ne quite predictably na baya zuwa dual-processor mafita a cikin wannan nuna alama.

Wani gwajin da aka sani a cikin shirin Sandra ya hada da auna ma'auni tsakanin GPU da PCI-E. Shi ne shugaban a cikin katunan da ke goyan bayan daidaitattun sauri - PCI Express a version 3.0. Wadannan sun haɗa da, musamman, masu adaftar haɗin linzamin layi, wanda Radeon HD 7950 suke. Sakamakon na'urorin zasu iya watsa bayanai a cikin ƙayyadaddun bayanai a saurin GB / s. Hakanan, ƙwayoyin PCI da ba ta aiki suna aiki a gudu na kimanin 6 GB / s.

A cikin jarrabawar MediaEspresso, zaku iya nazarin ido akan yanayin haɓakawa a cikin adaftan bidiyo. Kamar yadda sanannun ƙwararrun IL ya lura, a wasu lokuta, software mai dacewa bata samar da kyakkyawar dacewa tare da masu daidaitaccen fadi daga AMD ba. Sabili da haka, yana iya zama dole ya soke wasu muhimman ayyuka na na'urar. Wani bangare wanda ya kamata a kula da shi: a lokacin da aka saki katin hotunan HD 7950, AMD bai aiwatar da cikakken goyon baya ga matakan gaggawa a cikin tsarin fasaha na Video Codec. A wannan yanayin, ana yin aikin na'urar lokacin gwaji a cikin shirin da aka yi la'akari da shi a cikin sharuddan hanyoyi.

Hakanan, a cikin OpenCL yanayin, ana yin gyaran haɓaka na na'urorin haɗi na HD 7950 a matakin da ya dace sosai. Saboda haka, a cikin iyakokin gwaje-gwaje a cikin shirin na LuxMark ana yin katunan katunan bidiyo a yawan samfurori na 1 na biyu. Dangane da waɗannan alamun, mai kirkirar hoto a cikin tambaya yana da tsada sosai.

Mutane da yawa masu sana'a na IT sun fi so su auna aikin "hardware" ba a cikin wasanni da gwaje-gwaje ba, amma a aikace-aikace na ainihi. Don haka, alal misali, don ƙayyade gudunmawar na'urar a irin wannan hanya, za ka iya amfani da shirin vReveal, wanda yake cikin nau'in masu gyara bidiyo. Ta hanyar wannan software zai yiwu a gano yadda aikin matakan gaggawa na Radeon HD 7950 katin bidiyo yana rinjayar yadda ya dace da kisa na algorithms don sarrafa rafin bidiyon.

Wasu masu sana'a na IT, alal misali, sun yi ƙoƙari su auna aikin da na'urar ke yi ta hanyar sake dawowa da wani fim din mai kyan gani kuma a lokaci guda yana yin amfani da aikin ingantawa mafi kyau wanda ya dogara da vReveal. Kamar yadda gwaje-gwaje suka nuna, madaidaicin haɗin gwiwar HD 7950 ya yi aiki tare da aikin, har ma da masu fafatawa a kai tsaye da kuma mafita kusa da aikin da damar AMD. Duk da haka, aikin na'urorin gwaji ya zama dabam a cikin ɓangaren CPU load. Ya bayyana cewa masu haɓaka na'ura daga AMD suna buƙatar yin amfani da žarfin iko na komputa na PC din fiye da yadda ake amfani da mafita daga NVIDIA.

Ayyukan bidiyo a wasanni

A cikin Wasanni Battlefield 3, Radeon HD 7950 kuma yana aiki fiye da GTX 580 daga NVIDIA, kuma a cikin shawarwari daban-daban. A cikin yanayin ba tare da smoothing a cikin wannan wasa ba, kamar yadda aka gwada aikin masu adaftar hoto a cikin shirin 3DMark 11, na'urar tana jagorancin HD 6990. Amma idan an kunna zaɓin da aka dace, za a nuna gudunmawa mafi girma daga na'urar GeForce GTX 590 daga NVIDIA.

A cikin game Crysis 2, na'urar da ke tambaya ba ta nuna sakamakon da ya fi kowa ba. Musamman ma, bai fi dacewa da samfurin da ya gabata ba - adaftan haɗi na HD 6950. Masana sunyi bayanin hakan ta hanyar gaskiyar gine-ginen na'ura na sabon saitin, wanda ya hada da AMD Radeon HD 7950, akwai fasahar da ba su da mafi dacewa tare da daidaitattun DirectX 9.

A cikin wasanni na Skyrim masu adawa daga AMD - daga cikin shugabannin. Musamman ma, yana gaba da bayani daga gasar NVIDIA. Bi da bi, da data ake swapped Soup a datti 3, duk da cewa a ci gaba da wasa a cikin tsarin na AMD caca samo asali daukan iri graphics katin manufacturer hallara Radeon. Ana karuwa mai karuwa a cikin sauri na na'urar HD 7950 a cikin wasan Radeon game da samfurin da ya gabata - HD 6950. Duk da haka, na'urar injin da ke cikin layin da katin katin bidiyo ya kasance, ya samu nasara yayin da aka jarraba shi a cikin DiRT 3.

Binciken gudun fasali a cikin World of Warcraft: Cataclysm ya nuna cewa na'urar ta HD 7950 tana bayan bayanan da aka samu, wanda NVIDIA ya gina. A game da Metro 2033, wasan kwaikwayon na'urar yana a matakin da ya fi tsayi a lokacin gwada GTX 580, amma ya fi ƙasa da na tsohuwar model na layi. Bugu da ƙari, kamar yadda masu sana'a na IT suka lura, ta'aziyyar tsari game yayin da ake amfani da HD 7950 an ba shi a daidai matakin ko da a mafi girman girman allo da kuma cikakken hoto.

Farashin farashin

Nawa ne katin kuɗi na Radeon HD 7950? Farashin na'urar yanzu yafi dogara da mai sayarwa. Saboda gaskiyar cewa an cire na'ura mai adawa a cikin tambaya daga samarwa a shekara ta 2013, yana da wahala a samo shi a kan ɗakunan sakin layi na zamani. Mafi mahimmanci, dole ne ku saya shi a kan tallace-tallace ko a kan siyar kan layi. Idan katunan da aka dace su sarrafa Radeon HD 7950, farashin na'urar zai kasance kimanin dubu 11. Kila ku biya kuɗin kuɗi. Wani bangare na siyan AMD Radeon HD 7950: farashin na'urar zai dogara ne akan yawan musayar dollar. Tabbas tabbas - a cikin lokuta inda aka saya kaya a cikin shaguna na intanet. Duk da haka, yada tsakanin bambancin daban-daban na katin bidiyo - Gigabyte Radeon HD 7950 ko, alal misali, fasalin na'urar daga ASUS, zai zama ƙananan.

Bayani

Yanzu zamu bincika ra'ayoyin masu amfani da adaftan haɗi a ƙarƙashin la'akari bisa la'akari da aka samo a kan tashar tashoshin. Wadannan za a iya rarraba su a cikin manyan biyun:

- ra'ayoyin game da aikin na'urar a al'ada;

- a kan sakamakon da sake dubawa overclocking .

- sake dubawa da ke nuna kimantawa na adaftar adawa dangane da zaman lafiyar aikinsa.

Bari mu yi nazarin su a cikin daki-daki.

Ayyukan aiki a yanayin al'ada: sake dubawa

A cikin sake dubawa, wanda yayi tasiri da aikin katin bidiyo a yanayin al'ada, wato, ba tare da overclocking ba, masu amfani sun lura da ikon mai adaftar na'ura don nuna hoto mai kyau akan allon a cikin hanyoyi daban-daban kuma a cikin saitunan daidaitaccen tsari. Radeon katin bidiyo, ta haka ne, yana samar da kyakkyawar ta'aziyya na aiki, komai yanayin halaye na mai dubawa ko tsarin tsarin.

Overclocking wani video card: reviews

Bita-bita da ke nuna kimantawa game da fasalin kayan haɓaka a cikin yanayin overclocking yana da kyau sosai. Masu amfani, bisa mahimmanci, kada ku kira na'urar sauti, ko da yake yawancin wannan yanayin ya dogara da gyaran da ya dace. Babban abu lokacin da overclocking katin bidiyo, a matsayin masu bincike na gwaje-gwaje a cikin bayanin filin filin, shine don zaɓar saituna wanda adadi na adawa ke aiki sosai. A gaskiya, wannan al'amari na aiki yana nunawa a cikin ɗayan tsararru na sake dubawa.

Bayani game da kwanciyar hankali na na'urar

Lalle ne, shi ya faru cewa ko da mafi m graphics katin freezes, tafiyar matakai da hoton tare da murdiya lalacewa ta hanyar kasawa a cikin tsarin aiki. Ga adaftin mai siffar Radeon HD 7950, bisa ga masu amfani da masu kwararru na IT, irin waɗannan fasalulluka ba aikin ba. Katin bidiyon yana aiki sosai, ba tare da lalata tsarin tsarin ba. Yana da mahimmanci, hakika, an shigar da sababbin direbobi don na'ura a cikin OS. Yin amfani da software mai dacewa yana ɗaya daga cikin mahimman yanayi na tabbatar da zaman lafiya na kowane na'ura. Musamman - katin bidiyo, wanda yake ɗaya daga cikin manyan kayan aikin da ke ƙayyade aikin PC.