The Radeon 7750: specifications, ndemanga, kuyezetsa, review

Radeon 7750 zithunzi khadi imayenda ndithu, ngakhale mfundo za tsiku, chifukwa omwe alipo tsiku ntchito makompyuta osiyanasiyana, kuyambira muyezo ntchito ndi kuthetsa makina Masewero mphamvu zipangizo sing'anga. khadi Ichi ndi chimodzi mwa zinthu zotchuka kwambiri mwamsanga 2012, ndipo sasiya mafani wake ngakhale pa mphindi.

The vuto akukhudzidwira

Chifukwa chakuti AMD ali anamasulidwa ndi zitsanzo ndi mtengo wa 7900 Series, zochokera ntchito GPU Tahiti, iye anatha kukwaniritsa zofuna za ambiri okonda kompyuta. Koma pakapita nthawi, anaganiza kuti amasule Radeon 7770 ndi Radeon 7750, mtengo wa zimene zingakhale m'munsi pang'ono ($ 120 anapempha kuti choyamba ndi 100 - mu wachiwiri), pamene magawo ikutsatiridwa pa mlingo yoyenera. makadi onse zochokera chimodzimodzi GPU, amene amapangidwa pa maofesi kupanga ntchito TSMC 28-nm ndondomeko luso, koma Dziwani kuti iwo akusiyanako mfundo kasinthidwe maganizo.

kusiyana

The GPU Tahiti alipo biliyoni 4,31 transistors amene anakonza pakachitsulo kokulumunya ndi malo a 365 mamilimita ^2. Pa nthawi yomweyo latsopano GPU Cape Verde pano 1.5 transistors pa mbale ndi malo 123 mamilimita ^2. Mu kasinthidwe yonse kuti wakhala akuyendera ndi zida 7770, ndi zithunzi purosesa amapereka kwa mayunitsi khumi kompyuta, mu lirilonse la unit anayi vekitala alipo. Choncho aliyense osiyana vekitala wagawo zikuphatikizapo mtsinje purosesa 16, zomwe pamapeto pake zidapatsa 640 mtsinje mapurosesa zochokera zomangamanga Zojambula Kore Next.

Cape Verde yodziwika ndi kukhalapo kwa anayi mayunitsi ntchito raster, limene liri theka chabe ya chili mwa Tahiti, potero kupereka ntchito raster 16 aliyense mkombero. opha ziwiri 64-bit olumikiza midadada lililonse rasterization ntchito mawonekedwe wamba, potero pamapeto pake analandira 128-bit basi kukumbukira.

Features

The AMD Radeon 7750 ankagwiritsa ntchito kwambiri njira zosangalatsa kenako kutuluka mu purosesa Tahiti, amene Mulungu anamugwiritsa ntchito chitsanzo 7970 chitsanzo latsopano la Cape Verde. Ndi% 31 okha ndi kapangidwe ka mayunitsi shader wa GPU Flagship chitsanzo komanso 66% ya posungira kukumbukira ndi midadada rasterization 50%, kuphatikiza amapereka ntchito akadakwanitsira, amene linatsimikizidwa popereka maphunziro alimi ndi ogula okha.

Malinga ndi mapulogalamu ndi cholinga chachikulu chinali kugwiritsa ntchito atsopano khadi mukhoza kupeza ntchito cholandirika FPS kusamvana Full HD (1920x1080). Chifukwa Radeon izi HD 7750 1Gb ntchito Full HD kusamvana osakaniza ndi odana aliasing ayenera kudzabadwira ku FPS kugwa, koma kwenikweni, ngakhale pa masewera zamakono pa zoikamo sing'anga ntchito ndi purosesa akhoza kukwaniritsa ntchito izo ziri zokwanira kuyamba namtindi masewera.

Kodi mtundu wa khadi?

AMD ali anamasulidwa Radeon 7750, kuika monga mankhwala akupezeka kwa ambiri a owerenga masiku ano, ndi pa chipset chomwecho, mungasangalale iliyonse masewera ano amene amathandiza DirectX 11. Kuwonjezera apo, kusinthidwa zomangamanga Zojambula Kore Next umathandiza ntchito zothandiza kwambiri zithunzi apadera makadi kuti athetse ndi zosiyanasiyana sanali Masewero, kuphatikizapo kanema kabisidwe kapena deta archiving.

Baibulo achinyamata 28-nm zithunzi Cape Verde chitsanzo Chip kale analandira zina kupatula pamwamba bokosi ovomereza ndi dzina lake, pamene poyerekeza ndi ngale zonse anaika mu Radeon 7770, ndiye mu nkhani iyi panali chiwerengero mokwanira lalikulu simplifications kwambiri, amene anathandiza kuonetsetsa ang'onoang'ono kwambiri mtengo. The zithunzi pakati pa mapu 7750 Radeon awiri anamwalira Cu anapereka chipika cha khumi, umene utachepa chiwerengero mayunitsi kapangidwe ndi mtsinje purosesa. Number ROP midadada anasunga - 16. GPU kukumbukira ndi pafupipafupi opaleshoni kusanduka 1125 (4500) ndi 800 MHz, motero, pamene mawonekedwe anaganiza kusunga 128-bit.

mwapadera ziperekedwe chakuti chipangizo latsopano alipo 1 GB wa GDDR5 kukumbukira muyezo, pamene ake mowa mmene mphamvu sayenera oposa 55 Watts, monga zochokera GPU khadi kanema yatenganso cholumikizira kwa kotunga zina mphamvu. Popeza kuti kutchulidwa kapangidwe Radeon 7750, umene mwakuchita okonza wa AMD a tiyenera kugwiritsa ntchito ozizira monosyllabic, zachilendo imeneyi ndi yabwino ndithu osati osewera bajeti, komanso anthu amene amakonda kugwiritsa ntchito yaing'ono ntchito kalasi dongosolo NBC.

7750 kapena 7770?

Mwalamulo, pamwamba-mapeto makadi zochokera Cape Verde purosesa wopanga adzaitana 7770, kusonyeza kuti pafupipafupi GPU chinawonjezeka. Izi ndi zofunika ndithu, aliyense bizinezi Kenako akusonyeza pa ma CD a zithunzi zawo makadi 1 GHz, kaya ntchito mawu onena kapangidwe bolodi kapena monga chitsanzo zipatso, momwe dongosolo choyambirira kuzirala.

Pa nthawi yomweyo, chitsanzo 7750 ali ambiri kusiyana, ngakhale kuti alipo mu Chip chomwecho. TDP 55 W limanena kuti chitsanzo ichi sikutanthauza pamaso pa zina mphamvu cholumikizira, amene ali okwanira kuti mupeze PCI-E x16 kagawo. Komanso, chifukwa m'litali kumafunikanso unsembe wa khadi mu namtindi wa m'makola mwawo yaying'ono.

7750 ku Asus

Pa nthawi yomweyo kampani Asus pamalo lachitsanzo monga chipangizo pang'ono kumwazikana Mlengi, koma CPU wotchi anapangidwa kuonjezera poyerekeza ndi muyezo yekha 20 MHz, pamene kukumbukira ungatithandizire pa pafupipafupi bwino 4600 MHz, amene ali MHz 100 okha kuposa magawo analimbikitsa ndi akatswiri a opanga galimotoyo. Popeza fakitale kuchuluka pafupipafupi sangathe adzatchedwa kwambiri, ndi Radeon HD 7750 sangathe kutchedwa pamwamba-yotsiriza, chifukwa overclocking amenewa ndi pafupifupi imperceptible m'kati kukulozani ntchito zenizeni dziko Koma chifukwa chakuti chitsanzo ichi ali pabwino mu msika monga "overclocked" kuti alinso mtengo wapamwamba.

Ngati kulankhula za specifications ena, palibe osiyana kwambiri poyerekeza ndi chitsanzo Buku pa Asus Radeon 7750 palibe. mwapadera chabe dongosolo kampani kuzirala ziperekedwe, amene amalola kuti zithandiza kuonetsetsa mankhwala mwa ambiri njira zofanana.

zida

Mbali ya kubala zikuphatikizapo zofunika bajeti dongosolo yonse, mwachitsanzo, kumaphatikizapo Chalk okhawo amene akufunika ntchito wabwinobwino wa accelerator ndi:

• litayamba kuti lili madalaivala zonse zofunikira ndi zofunikira;
• Malangizo a mmene kukhazikitsa ndi ntchito khadi iyi;
• muyezo adaputala DVI ndi VGA.

akonzedwa izi ndi zosiyana kwambiri ndi zimene ankapereka pa Radeon HD 6850, koma ndi mtima wonse zogwirizana ndi za bajeti chipangizo.

mbali zina

Mofanana monga chitsanzo limati ya polumikizira kusonyeza chithunzi anakhumba Timalipereka ngati doko HDMI 1.4a ndi DVI-ine. Popeza kuti kumumanga m'mitolo ndi khadi amatipatsanso adaputala zina, mulibe vuto lililonse kuti kulumikiza izo kuwunika zina plasma kayanso purojekitala iliyonse.

Kukumbukira Radeon HD 6850, ndi Dziwani kuti potengera njira 7750 kupereka luso ntchito ndi LCDs kapena oyang'anira ndi kusamvana kopitilira muyeso-mkulu, chimene chiri chofunika ndithu kwa namtindi wa owerenga masiku ano, amene ali makina onga kuoneka ndi pafupipafupi. Komanso musaiwale kuti pogwiritsa ntchito luso AMD Eyefinity 2.0 accelerator Izi zimathandiza kuti zikulumikizana kuti oyang'anira asanu, koma zipangizo zoposa zitatu kupeza ntchito zina adaputala azamagetsi yogwira kupereka yachibadwa chithunzi linanena bungwe.

malipiro

The kusindikizidwa dera bolodi amachitidwa pa wakuda PCB, pamene kapangidwe ndi mawonekedwe a zinthu pa mwathunthu kubwereza muyezo Buku chitsanzo anamasulidwa ndi AMD conveyor. Chiwembu olimba a "2 + 1 gawo" ntchito yosavuta kwambiri PWM Mtsogoleri ku makampani Anpec Electronics. Monga tanenera, khadi si zida ndi zolumikizira mphamvu zina, chifukwa mu mode katundu, mowa wake mphamvu osakwana 75 Watts.

anthu ambiri nthawi zambiri kuyerekezera chitsanzo ichi ndi Radeon HD 6790. Mu nkhani ya GPU zatsopano asankha kusakhala ndi luso kuphatikiza adaputala azamagetsi angapo kuchita olowa kuwerengetsera zithunzi CrossFireX mlatho, koma thandizo la njira imeneyi anali akadali anapereka pa mlingo pulogalamu .

kamangidwe

Khadi Buku lachitsanzo ali ndi maonekedwe wokongola bwino ngati wokongola ofanana yozizira ndi bolodi ntchito mu Baibulo zonse kakulidwe wa ntchito HD 6770. The ozizira amakhala ndi kumanga yosavuta kwambiri, amapereka lathyathyathya osakwatiwa-kagawo heatsink kuti akamazizira GPU yekha. Pakuti khadi ndi mwachilungamo wodzichepetsa TDP wa 55 Watts, chithunzi ichi n'cholandirika ndithu, koma Dziwani chakuti pali zambiri zosintha Radeon 7750, makhalidwe a kuphatikizapo pamaso pa dongosolo lalikulu kuzirala.

malipiro

Monga tanena Pankhaniyi palibe mphamvu zoonjezera, ndi dongosolo mphamvu zosungidwazo zimagwiritsidwa ntchito magawo anayi. GPU Mphamvu umalamulidwa ndi ziwiri gawo Mtsogoleri, omwe sasamalira n'zotheka kusintha pulogalamu voteji, pamene mphamvu ya kanema umalamulidwa ndi zonse za opha awiri limodzi-gawo.

Memory wokha sukhalira anaimba pogwiritsa ntchito tchipisi pa kampani HYNIX, mwadzina ogwira wotchi pafupipafupi 5 GHz. The tchipisi chomwecho ankagwiritsa ntchito pa Radeon 7770 khadi.

Pomaliza

Ngati Radeon HD 6790, a 7750 lachitsanzo kulowa-mlingo njira kuti owerenga ambiri mwina kungakhale kulowa tikiti mu dera la masewera ano. A mpikisano mwachindunji chipangizo ndi Model 650 kuchokera GTX GeForce, ndi momwe katundu onsewo amadzinenera kuti, chichitike mu kanema yaikulu kugwilizana zonse ndi chitukuko cha masewera okhutira. Koma kwenikweni, kwa m'badwo wake mankhwala onse anali kwambiri mu ntchito poyerekeza ndi zimene anthu luso, zimene zalembedwa pa masewero pa atamasulidwa, kotero kuti kufunika wawo unayamba kuonekera yekha zisakuyenda bwino.

Reserve ntchito pa zotheka TDP wotsikitsitsa - ntchitoyo aikidwa kutsogolo kwa opanga AMD pamaso khadi linaperekedwa Radeon 7750. Pa mokwanira kwambiri akafika katundu mphamvu za 55 W, ndi mowa mphamvu ndi zosakwana 3 Watts mu mode chete, pamene zina kotunga si chofunika. Pakati pa 6000 makadi mndandanda ofanana TDP pano mu zitsanzo 6650 ndi 6670, pamene NVIDIA kupereka chitsanzo kupikisana mu mawonekedwe a GeForce GT440, kuti N'zoonekeratu makadi zochepa ofooka. Zonsezi zimatheka pogwiritsa ntchito zapamwamba ndondomeko luso 28 nm.

Choncho, kuti tsiku khadi ndi njira zabwino msonkhano wa makompyuta otsika-wogulira. Ambiri a masewera ano akhoza anakhalabe pa mlingo osachepera kapena ambiri amene ali kale yokwanira ndithu osewera ambiri. Kumene, mofanana ndi zipangizo zapamwamba lero ndi chabe tanthauzo, popeza osati pansi zofunika pazipita, komanso m'tsogolo.