Graphics katin HD 7970: fasaha harakterisitki da kuma sake dubawa

High-End graphics katunan aji ne da ba mamaki, saboda da masana'antun sun gane cewa ga masu rinjaye na magoya yi wasa a hanya-m kwamfuta wasanni na sabon ƙarni na video fitarwa da fari. Wannan kawai da farashin da na'urar zai iya dakatar da yuwuwar mai saye. Don jawo hankalin da hankali ne tsaka-tsaki gyara na'urorin, wanda ake nufin a saman-karshen kashi, amma su Farashin ne muhimmanci ƙananan fiye da takwarorina.

A wannan labarin, za mu mayar da hankali a kan daya daga wadannan caca na'urorin - video katin HD 7970 daga sanannun iri, wanda ya gina ta bayani a kan wani guntu AMD. A primary aiki na manufacturer ya zuwa rage kudin da video, yayin da rike mai kyau caca yi.

wani cancanci gasa

Idan ya zo ga NVDIA kayayyakin, araha, daya sami cewa manufacturer yayi wani yanke-sauka version na ta flagship Geforce Titan, wannan za a iya gani ta hanyar kwatanta na'urar kwakwalwan kwamfuta da karatu da gine-gine. Kamfanin AMD iya bayar da wannan Hanyar udeshevlonnye gyara guntu Radeon R9, duk da haka, ba su da wannan. Graphics katin HD 7970 ya samu wani sabon gaba daya dandali tare da yin amfani da fasaha ta zamani, don haka da cewa ta zarce da yi dukkan na'urorin miƙa ta a gasa a wannan fanni price (15-20 rubles).

Gaskiyar cewa sakamakon da aka nagarin caca na'ura a wani araha price, za ka iya yin hukunci da yawan na'urorin dogara ne a kan wannan chipset. Duk aka sani video katin masana'antun dauki sama da fitarwa dangane da AMD Radeon HD 7970. A kasuwa mai saye iya gane ko da 'yan gyare-gyare daga wannan manufacturer - wannan shi ne mai kyau adadi ga dama masu amfani.

A asali marufi

Araha farashin a kasuwa video katin na'urar samar da wani 28 nm fasahar da GCN gine-gine, yana samuwa ne kawai daya graphics core (duk saman na'urorin su biyu daga gare su). Godiya ga fasaha ta zamani, da manufacturer ya shigar a kan HD 7970 guntu kamar 4.3 biliyan transistors.

The graphics core aka clocked a 925 MHz, amma kamar yadda muna tabbatar masu da su sake dubawa, wannan shi ne wani m adadi, wanda sauƙi qara, shi zai zama mai kyau sanyaya. Shigarwa irin zane raka'a 128 da kuma 32 ROP. Ƙwaƙwalwar aka clocked a 1375 MHz (tasiri 5500), shi yana da damar 3 GB da kuma na Magana da kwamfuta via a 384-bit bas. Af, hukumar yana da fil ayyukan for shigarwa na ƙarin memory kayayyaki, don haka abin da za mu iya sa ran sabon kayayyakin daga masana'antun da 6 gigabytes na kan-jirgin (da yiwu tare da bas na 512 ragowa).

High yi video ya haddasa wani karuwa a wutar lantarki amfani - 250 watts a iyakar kaya suna kama kayayyakin gasa NVDIA. Quite m ganin AMD kayayyakin, irin hanya-m queries (kafin iyaka ne har zuwa 130 W).

overclocked

Wadannan Trend na graphics katunan kasuwar, da manufacturer yanke shawarar kirkiro da kuma inganta gyare-gyare da na'urarka domin m masu amfani (NVDIA ta dogon amfani da irin wannan makirci da halittar gyare-gyare «Ti»). HD Video katin 7970 GHz Edition tafi sayarwa a cikin hanyar distilled daga: graphics core aiki a mita na 1050 MHz, da kuma video memory ne 1500 MHz (6000 MHz). Shi ne ya kamata a lura da cewa manufacturer babu mafi canje-canje an gabatar da: ana tsammanin karuwa a iya aiki na fiye da 384 ragowa da kuma wani karuwa a cikin juz'i na har zuwa 6 gigabytes na memory ya faru. Karuwan farashin kadai. Kamar yadda masana a cikin su sake dubawa, da sayan zai zama a fili m, saboda a gasa ta samfurin prefix «Ti» uniquely sanya na'urorin tare da ƙara memory bandwidth.

Bayyanar da kuma sanyaya

Duk da haka, zo, lokacin da hawa AMD caca na'ura na bukatar wani na ɗaki yadi misali Tower ATX. Bayan da adaftan da tsawon shi ne 38 santimita, kuma ya mamaye biyu ramummuka a cikin tsarin block, a fili da'awar da uku mai kyau ci don sanyaya iska. Abubuwa na da PCB sanya compactly a kusa da GPU shigar ƙwaƙwalwar kwakwalwan kwamfuta da ikon abubuwa ba su warwatse kewayen kewaye na na'ura, da kuma a hankali soldered cikin daya naúrar.

Graphics katin dogara ne a kan Radeon HD 7970 AMD ta guntu yana da dadi view of sanyaya tsarin. Aluminum lagireto sashe ne m da kuma maida hankali kashi biyu daga uku na kewaye hukumar, ta tushe ne ya yi na jan karfe, wanda ya samar da mafi zafi canja wuri daga dumama abubuwa. A wutsiya na video katin shigar iri turbofan. A duka sanyaya tsarin da aka tam rufe da wani m casing, wanda ya hana da tsanani iska baya cikin gidaje, da kuma dakatar da waje ta hanyar da sanduna na hawa block.

low-cost bayani

A mafi arha a Rasha kasuwar HD 7970 graphics katin, da sake dubawa na waxanda suke da wani m yanayi, wakilta sanannun Taiwan iri Asus. A karo na farko a cikin 'yan shekarun nan da manufacturer bai kafa nasu sanyaya tsarin da dogaro a kan manufacturer. Kullum, da Asus kamfanin mamaki ƙwarai da gaske da magoya ta samar da wata na'ura cancanci cikakken sa: duk wani nau'i na adaftan ga zaune a yanki, a splitter to connect da ikon, CrossFireX gada to connect mahara video cards.

Externally, da Asus graphics katin ne daban-daban daga na farko samfurin AMD kawai rubutu a kan gidan ruwa gidaje, don haka duk mai amfani da hankali mayar da hankali a kan fasaha halaye na na'urar. A kawota Asus GPU tweak mai amfani ya kuma sa kome a wuri: mai girma hanzari, da nuna wani high yi graphics katin, shi ne mai babbar manufacturer na girma. The graphics core nuna barga aiki a mita na 1200 MHz, da memory a koyaushe aka ma ba mai tsanani a mita na 1635 MHz (6500 MHz).

garin kankara kada ɗanɗanonta ya gushe

Graphics adaftan Radeon HD 7970 ta NUNA, kamar yadda ko da yaushe, janyo hankalin abokan ciniki zuwa ga kayayyakin da wata, tsattsarkar bayyanar da mai kyau sanyaya tsarin. Ayyana da manufacturer a cikin amo matakin na 15 DB ne a fili ba wani marketing ploy, saboda fasahar kamfanoni suna gaba daya modified da video katin wutar lantarki tsarin da kafa da PWM mai kula da kansa samarwa da kuma kara da yawan bulan.

Aluminum heatsink maida hankali ne akan dukan surface na buga kewaye hukumar da kuma ne Ribar da tagulla shambura, wanda aka rage a sakamakon da zuciyar dab da graphics core. Top saka karfe m hannun riga da biyu babbar magoya at low gudu sosai tasiri don ƙirƙirar wani iko da iska rafi iya sauri cire zafi daga dumama abubuwa.

A factory da kafa da mita na HD 7970 core ne 1050 MHz, kuma ƙwaƙwalwar gudanar a 1400 MHz, duk da haka, masu amfani sun ruwaito a cikin su sake dubawa, wadannan alkaluma suna kome idan aka kwatanta da yuwuwar na overclocking: 1125 MHz core da kuma 1575 MHz ƙwaƙwalwar bayar da babbar yi a wasanni.

A hankula model na sananniya ta alhẽri manufacturer

Amma Sapphire kamfanin ya taka rawar gani ta magoya, saboda wani manufacturer kawai ya ɗauki AMD HD 7970 samfurin da kuma ta a haɗe kwali a kan na'urar gidaje. Babu shakka, babu wani ƙarin gyare-gyare a kan PCB ba a sanya. Yana fa, tã da hankali ga na'ura a kasuwa ne kawai ta hanyar da farashin (15,000 rubles), wanda shi ne mai araha ga mutane da yawa magoya na tsauri wasanni.

Standard overclocking bã kõme ba ne sabon ga core da kuma 1200 MHz, amma ƙwaƙwalwar nuna a barga aiki a 1785MHz (tasiri 7140 MHz). Pretty kyau yi a gwajin aikace-aikace da kuma wasanni rufe aikin sanyaya tsarin. A fili, da karfi da dumama da core da ƙwaƙwalwar kwakwalwan kwamfuta sa da turbo fan aiki a iyakar iko.

gaggawa fi

A fili farga masa kuskurorinsa, Sapphire ta kamfanin yanke shawarar gaggawa rehabilitate a kan video katunan kasuwar. Kasuwar gabatar biyu kayayyakin: video Radeon HD 7970 tururi-X, kuma mai guba Edition, wanda ya tafi a kan sayarwa a biyu bambancin kowane: uku da shida gigabytes na RAM a kan jirgin. Yana da quite wani al'amari - mu gani nan da nan cewa mai saya na wani tsanani iri.

Gyara bada duka ikon tsarin: aka shigar 8 + 2 manzilõli, wanda sun rage yawan gudunmawar ikon amfani video. Shi ne ya kamata a lura da cewa manufacturer ya kafa mallakar tajirai ikon masu kula da kuma maye gurbin duk da damar da PCB zuwa SSDs. Copper samar kare: tushe daga cikin gidan ruwa, da kuma a tube sashe don zafi kau da aka yi da wannan daraja karfe.

Mai kyau sanyaya - nasarar wani hanzari. Graphics core nuna barga aiki a mita na 1250 MHz, yayin da ƙwaƙwalwar aiki lafiya a 1600 MHz. Yuwuwar kara overclocking ne, amma da zaran akwai amo a cikin biyu kananan magoya.

shiru dodo

PowerColor kamfanin wajen m behaves a kan video katin kasuwar. Daya jerin na'urorin shi ya sayar a cikin factory saitin, da sauran - kullum watsi, da kuma na uku ya bada m iko. Graphics katin HD 7970, da watsuwar wanda za a iya samu a kusan dukkan kwamfuta mujallu, ya cancanci musamman hankalin masu saye, muna magana ne game da ruwa sanyaya. Nan da nan ya kamata a lura da cewa ruwa block ba free, da kuma na'urar taro da mai saye zai biya game da 25,000 rubles (kusan guda ne flagship na AMD ta guntu).

A cewar masana a cikin su review, ruwa sanyaya tsarin, kawota ta graphics katin, shi ne karfi da reminiscent na Zalman waterblock sanannen iri, da kuma mataki na manufa na ainihi. Haka kuma, wannan tambaya na da tasiri na aikin kada ta kasance, kamar yadda da taro na sanyaya naúrar. Akwai wani umurni kafa na kaya, har ma da key.

Babu shakka, irin wannan dodo sauƙi rakumi don tarwatsa, tun da ruwa sanyaya yadda ya dace shi ne muhimmanci mafi girma kawar da iska. Graphics core aiki stably a 1290 MHz, da kuma video memory mu jimre a mita na 1750 MHz (tasiri 7000).

biyu whammy

Yarda magoya kuma XFX kamfanin gabatar da kasuwar kawai biyu gyare-gyare HD 7970. chipset Overview m na'urar kamata ba a ko fara, saboda shan factory graphics katin manufacturer ya sanya wani m engraving a kan na'urar casing da kuma kawo samfurin zuwa kasuwa. Low farashin ba tare da wani gyare-gyare - quite sabanin da tsanani iri.

Amma na biyu XFX na'urar zai zama abin sha'awa ga overclockers, saboda manufacturer yarda da kansa don maye gurbin da ikon samar da tsarin a kan wani kewaye hukumar video. Akayi masu kula lokaci ikon kula da naúrar, guntu na ta kansa samar da wasu canje-canje sun rage yawan gudunmawar ikon amfani graphics. Tare da sanyaya tsarin ƙirƙirãwa sabon bike yi ba, samar da wani mai sanyaya na'urar da aka sanya a kan wani saman totur R9.

A sakamakon duk sababbin abubuwa shi ne tasiri aiki na video adaftan overclocking da graphics core mita zuwa 1200MHz. Ƙwaƙwalwar kawo kwanciyar hankali ga 1700 MHz. M sigogi ga na'ura wanda zafin jiki ne kiyaye a kusa da 70 digiri Celsius.

A tseren yi

MSI ya gabatar da kasuwar wani samfurin kira da HD 7970 Walƙiya. A babban alama wannan katin ne mai mallakar tajirai da sanyaya tsarin. A manufacturer bai tafiyar da Zartarwa PCB, da dogara da cikakken AMD fasaha, da kuma dukufa a kan lokaci a kan halittar wani tasiri zafi masha'a tsarin.

Aluminum tushe rufe PCB gidaje a garesu - da bayani ne quite m, saboda a baya na ba shi da na'urar da ikon gyara. Dukan wannan kewaye da graphics katin da aka shigar aluminum lagireto da tagulla shambura, wanda an rage zuwa lamba yankin na graphics core. A wuraren da shigarwa na magoya aluminum grates kadan da yanke a tsawo, da samar da kananan ramuka ga shigarwa na Coolers (vaguely reminiscent na Gainward fatalwa). A sakamakon haka, cikin hanzari za a iya cimma barga aiki na graphics guntu a mita na 1190 MHz, kuma ƙwaƙwalwar - 1650 MHz.

a ƙarshe

A cikin Rasha kasuwar wakilta mai yawa kayayyakin halitta a kan core HD 7970, amma su tasiri hanzari ne don haka kananan cewa shi ya sa hankalta zuwa cin su girma. A review gabatar da na'ura, wanda zai zama ban sha'awa ga masu saye jagora a lokacin da sayen ko dai a low cost ko a manyan yiwuwar overclocking. A zinariya nufi a cikin 'yan shekarun nan daga fashion.