A Radeon 7770: siffofin da kuma sake dubawa

Game graphics adaftan "uku bakwai bakwai" daga AMD a ji duk magoya yi wasa a tsauri hanya-m wasanni. By ƙaddamar da Radeon 7770, da manufacturer ya sanya wata babbar mataki wajen wani m abokin ciniki - ya ba da High-End na'urar aji araha farashin (8000 rubles) da kuma sanya shi a cikin totur kasafin kudin alkuki, kadan iyakance ta yi. A mayar da hankali na labarin - a review na video katin yi, nazarin kayayyakin daga daban-daban masana'antun, da kuma sake dubawa na masu.

'Yan'uwa biyu-Acrobat

AMD Radeon graphics katin HD 7770 Series tafi a kan sale, tare da udeshevlonnoy gyara HD 7750. Wallafar so, don haka tare da guda GPU dauki biyu daban-daban farashin aji. Duk da haka, wani gagarumin bambanci a cikin wasan kwaikwayon na biyu graphics katunan da kuma kananan bambanci a farashin da ya kai ga cewa wani m gyara kusan bã tãre bukatar kasuwa.

Kuma da Radeon HD 7770 iya je kada a gane idan ba domin video katin masana'antun, da suka ga babbar m a cikin na'ura for hanzari, muhimmanci ƙara video yi, kawo shi ga High-End matakin. Low ikon amfani da mai kyau sanyaya tsarin kamar yadda ko da yaushe karya sabon records a cikin filin na caca kasuwar ko da kuwa da graphics core da kuma masu sana'anta.

fasaha halaye

High yi caca graphics katin samar da wani Radeon HD 7770 graphics core halaye. Guntu kerarre da Cape Verde 28 nanometer ƙiren ƙarya tsari da kuma ajiye farantin a kan 123 mm ² da rabi biliyan transistors. A sabon graphics processor da yake iya aiki a mita na 1 GHz, kuma har yanzu yana da m don tarwatsa. Domin da canja wurin bayanai yayi dace da memory bas GDDR5, wanda aiki da damar 128 ragowa, kuma yana da a kan jirgin 1 gigabytes na memory, aiki a mita na 4500 MHz. Stream processor 640, irin zane raka'a - 40.

Daya daga cikin manyan siffofin da wannan video katin ne a low ikon amfani - 80 watts ganiya lodi cewa akalla rabin girman irin wannan gasa daga NVDIA m. Har ila yau, a Cape Verde guntu saka mai kula da resets zuwa m mita a rago video cards. A irin haka ne, ikon amfani zai zama game 3 watts.

Saba da na asali

External graphics katin AMD Radeon HD 7770 yayi kama da saman na'urar. A gyara shafi for biyu ramummuka a cikin tsarin naúrar, da kuma kariya casing yana da wani sanyaya tsarin directed airflow PCB. A general, ga alama cewa video katin da sanyaya gidaje ne na unitary yi. Duk da haka, kamar yadda muka gani a cikin review, masu amfani tambaye sanyaya fan ne cewa a cikin rufaffiyar casing aka sanya a tsakiyar jirgin, kuma ba shi da wani injin turbin - shi kawai naushe da lagireto. Karyata mai tsanani da iska na taimaka babbar iska grille, wanda ya mamaye dukan sashe na daya fastening farantin.

Duk wani tambayoyi ga manufacturer masu haihuwa zaune a yanki, wanda ake samu a graphics katin kawai dijital video jimloli (ga mini DisplayPort, HDMI da DVI). Pretty m yanke shawara mai yi a fili rage amfani da video katin a kan Rasha kwamfuta kasuwar.

Damar Samar factory overclocking

Kafin nazari a kan binciken da na'urorin bayar da wasu masana'antun da graphics katin kasuwar, kana bukatar ka fahimci fasaha damar da reference video katin Radeon HD 7770. Bayani dalla-dalla da kara gudun da graphics core nan da fari. Saboda haka, a tsari na gwajin wani video katin muka gudanar ya overclock da graphics processor zuwa 1170 MHz, kuma memory - har zuwa 6120 MHz. Domin wannan, duk da haka, ya wajaba tada ƙarfin lantarki daga 1,1 V to 1,2 V. Sai video katin yanayin farfado high kwanciyar hankali ba tare da bayyanar kayayyakin gargajiya da kuma matsalolin da direbobi.

Tambayoyi da mai amfani ƙila zai haɗu da wani misali sanyaya tsarin cewa ba zai iya jimre da aiki. A lokacin gwaji, da amon fan gaba daya maida hankali ne akan aikin na duk Coolers a cikin tsarin naúrar, amma graphics core zafin jiki da kasa da 70 digiri Celsius ba ragu. Bisa ga bayanai, shi za a iya ƙarasa da cewa zabi na zama dole graphics katin zabin miƙa a kan kasuwar kamata mayar da hankali ba wai kawai a kan overclocking m amma kuma mai kyau da sanyaya tsarin.

Offer kenkenewa

A Radeon HD 7770 a kasuwa karkashin Sapphire logo, yana da tsanani abubuwan da ake bukata don zama wani saman sayarwa a kan qa'idar na "farashin-quality." Da cewa shi ne wurin sa a cikin araha kashi, da yawa masu saye na kasafin kudin na'urorin, amma factory overclocking yi yana sanya graphics katin a kan wannan matakin da High-End na'urorin. The default graphics core clocked a 1150 MHz, kuma ƙwaƙwalwar overclocked zuwa 5000 MHz.

Kamar yadda yi nuna, wannan m aka boye a baya graphics katin cikakken sanyaya tsarin, wanda aka sanya a Sapphire dakin gwaje-gwaje. Wannan shi ne godiya ga wata babbar aluminum gidan ruwa, wanda yake rufe dukkan buga kewaye hukumar, da kuma wani jan zafi canja wuri shambura an rarraba yadda ya kamata zafi, video katin ba overheat. iska wurare dabam dabam na tabbatar da wani m daya fan cewa an saka daga sama a kan tsare.

overclockers

Kuma idan magoya na Sapphire graphics katin yi misali version za ze kadan, za ka iya saya na'urar more iko: Radeon HD 7770 tururi-X GHz Edition OC. Suna fadin a cikin wannan video kawai farashin (8,000 rubles), amma bayyanar da halaye zai mamaki har ma da mafi wuya abokin ciniki. Da farko, ya kafa wata sana'a sanyaya tsarin. A wannan da aka sanya a kan High-End-na'urorin: aluminum, jan, da evaporator jam'iyya, biyu high-ikon fan, m murfin tare da directional hurawa.

Ikirarin graphics core mita ne 1100 MHz, amma a aiwatar da hanzari darajar an sauƙi karu zuwa 1190 MHz. Amma ƙwaƙwalwar yana da wasu matsaloli - factory saitin clocked a 5200 MHz, amma don tarwatsa shi sama 5980 MHz ne mara kyau ne, da zarar ta rataye dukan tsarin da kuma zata sake farawa da kwamfuta. Duk da haka, wannan hanzari isa don samun a wasan gwaje-gwaje sosai a kusa da saman-karshen graphics katin HD 6850.

"Daskararre" tayin

Aka sani a duniya ta hanyar NUNA, wanda ya fitar video katin kawai dangane da AMD chipsets ne ma yarda magoya sabon abu Radeon 7770. Halaye na na'ura in da tushe ba a inganta a manufacturer, ko da yake sanyaya tsarin ya halartar gagarumin canje-canje, a fili alluding ga mai shi daga cikin babban yiwuwar overclocking. Wannan ne ma evidenced da shigarwa na biyar-lokaci da samar da lantarki kewaye da sauyawa daga cikin PWM kula. A lokacin gwaji, kara da graphics core mita nuna a barga aiki a 1210 MHz, da memory a magance da ayyuka a cikin 5780 MHz band.

Bayyanar Sanyaya tsarin ko kuma janyo hankalin da hankali ga kanta, amma a kusa dubawa akwai gagarumin drawback - lagireto gaba daya manne kawai ga graphics core. Sauran gyara, ciki har da ƙwaƙwalwar kwakwalwan kwamfuta, a cikin ƙaho iska rafi. Ice sanyaya video katin NUNA 7770 IceQ X, da'awar a talla ne kawai a marketing ploy.

mabukaci kaya

A Radeon 7770 manufacturer Asus an dauki mafi kyau buy a kan kasuwar yi na'urorin. The abu ne factory overclocked, cewa shi ne batun da garanti na sayarwa. The graphics core a al'ada mode aka clocked a 1170 MHz, kuma memory - 4600 MHz. Excellent sakamakon. Bugu da ari dagawa yi bã tãre da ma'anar, ko da yake shigar da sanyaya tsarin abubuwan da ake bukata domin wannan shi ne: wani jan karfe core, aluminum gidan ruwa, m roba casing tare da guda fan.

Shi ne ya kamata a lura da cewa a Rasha akwai wani misali na HD 7770 graphics katin, wanda yana a kan-jirgin 2 GB na RAM. A manufacturer ba kada overclock da GPU da memory bas, da barin al'adar nan gaba mai shi. Don sanyaya da graphics katin gana kama da na baya na'urar sanyaya tsarin, duk da haka, an riga an sanye take da biyu iko magoya. A sakamakon haka, da GPU hanzari ne mai idon basira da mita 1200 MHz, kuma ƙwaƙwalwar aiki stably for 5000 MHz.

The shugaban na Taiwan kasuwar

Video katin dogara ne a kan Radeon 7770 tare da daya ko biyu gigabytes na memory a wannan farashin gabatar da Taiwan kamfanin Gigabyte kasuwar. Manufacturer duka biyu na'urorin ya karu da mita da GPU, kafa a kusa da 1100 MHz, da kuma tãyar da ƙwaƙwalwar mita zuwa 5000 MHz. Kamar yadda ya juya waje, da kara hanzari na jawabin m, dukan matsalar ta'allaka ne a cikin ainihin sanyaya tsarin.

Regular aluminum lagireto size of a graphics core ne a fili iya jimre mai kyau fan-taimaka PCB. Mutane da yawa masu amfani, bisa ga sake dubawa, da alama cewa mai sanyaya da aka aro daga na'urar Low-Karshen, a kalla, da yadda ya dace da wannan. M bi da bi abubuwan da suka faru a cikin caca kasuwar Gigabyte sanya a cikin dakin gwaje-gwaje.

Tutsar sulug daga MSI

A Radeon 7770, MSI gabatar da sanannun manufacturer a Rasha kasuwar, shi kama wani high-karshen na'urar. Biyu babbar fan a kan gidan ruwa harsashi a fili za su murna duk m saye. Duk da haka, ba lallai ba ne su yi sauri, saboda kamfanin ya yanke shawarar ya je da sauran hanyar da: maimakon tseren ga yi ta jefa da fasahar yin nasara cikin quietness a aiki. Kuma cewa, ta kasance iya 100%, saboda gwaje-gwaje da irin wannan na'urorin hum na magoya ko a ganiya load bai wuce 26 DB (fi shuru fiye da amo daga wani misali CPU mai sanyaya).

A manufacturer bai yi cikin hanzari da kuma samar da kayayyakin kamar yadda gina AMD. Duk da haka, wannan ba ya nufin cewa ba za ka iya manta game da kara yawan aiki. Graphic nuni katin core ne iya aiki stably a mita 1100 MHz, kuma memory - 5200 MHz, wanda ya dubi sosai m lokacin da idan aka kwatanta da fafatawa a gasa. The masu cewa da yuwuwar hanzari ne samuwa, amma matsalar - a gudun limiter mai sanyaya, idan ka cire shi, za ka iya amince inganta yi har zuwa 1200 MHz a kan core.

m player

PowerColor kamfanin bayyana cikin tunaninsa na kasuwar chipset AMD Radeon 7770. Daya bayyanar da wani m mai saye zai zama isa ya gane ra'ayin m. M kwaikwayo turbofan, wanda aka sanya a kan saman NVDIA gasa na'urori, da musamman bai sa kwaikwayo. Kuma idan ka duba karkashin kaho, sa'an nan ba za mu iya dukan kunyata a cikin iri - daya aluminum lagireto girman da sashe da graphics core ne a fili ba sa mabukaci amincewa.

Kuma idan saboda sanyaya tsarin na cikin hanzari iya zama babu tambaya, sa'an nan naúrar farashin da kowace tambaya. graphics katin kasuwar farashin ne 9000 rubles. Shi ne da iri da sunan ne saboda haka tsada? Wannan shi ne kawai graphics katin samuwa a kasuwa irin wannan na'urorin dogara ne a kan Radeon 7770, wanda aka ba da shawarar saya duk masu amfani. A manufacturer da aka ba su yi wani zama kan daidai gabãtarwar da fafatawa a gasa kasuwar.

Summing up

Kamar yadda iya sa ran, da aka fi so daga duk masu amfani a cikin kasuwar na caca graphics katunan - Sapphire ta kamfanin - sake ya ba da magoya mamaki a cikin nau'i na graphics yi a low-cost kashi - Radeon 7770. mallakar tajirai sanyaya fasaha da kuma cikar ikon management system sun gudummawar da rabo daga matsakaicin yawan aiki wasanni. Good yiwuwar hanzari NUNA da Asus - ji da hakkin tsarin kula da mabukaci a cikin nau'i na tsanani inganta shafe dumama ikon gyara a kan PCB katin. Sauran brands, kuna hukunta da sake dubawa na masu, bai burge tare da su yi. A m hali zuwa guntu masana'antun - irin yuwuwar, amma zabi ba wani abu.