Radeon HD 7870: a review na video katin

Radeon HD 7870 - graphics katin na tsakiyar aji, abin da ya bayyana a kan shelves a 2012. Ta bai iya wuce da mafi tsada takwarorinsu, amma tsanani outperforms baya model. Match for AMD Radeon HD 7870 shi ne GeForce GTX 570. A totur aka saki watanni da dama bayan da HD 7970, wanda mamaki da yawa magoya na kamfanin. Nova aka ƙaddara don samun wani sabo jeri - Southern Islands. Ga ta zama daya daga cikin wakilan biyu samuwa model da kyau yi da kuma mai kyau sanyaya tsarin. Bugu da kari, AMD Radeon HD 7870, farashin ya $ 350, ya samu wani sabunta gine.

marufi kayan aiki

Katin zo a cikin wani karamin akwatin sanya daga m kwali. A gaban gefe na mai amfani da kuma ci karo da wani mugun irin da mahayi a kan wani doki ko da more fushi. Nan za ka iya ganin model sunan da babban maki cewa zai mamaki da Radeon HD 7870.

More bayanai ne a kan mayar da gefe. Nan, mai amfani iya koya ainihin halaye na totur. Box bar mai kyau ra'ayi, amma tafi don kammala.

Bugu da kari to video, da kunshin hada da:

• sa na Littattafan.
• CD-ROM tare da direbobi.
• kafa na adaftan.
• PCI-E ikon USB.
• Gwabza gada.

A general, kayan aiki Radeon HD 7870 ne ba alheri ko sharri daga wannan, dõmin miƙa ta wasu masana'antun. Ga al'ada aiki ba lallai ba ne su sake saya nasu sassa, da cewa shi ne farin ciki. Ƙarin adaftan iya kawai za a bukata domin wasu masu amfani. Sauran ne ya zama isasshen cewa yayi ATI.

bayyanar

Nan da nan ja hankalin masu yawa musaya to connect wani na'ura tare da sauƙi. Babban abubuwa suna soldered zuwa buga kewaye hukumar a baki. Fuskar GPU ne a fili a bayyane. Af, da katin iya aiki a jummai. Duk da haka, da jummai iya kunshi kawai biyu graphics tsakiya. Saboda haka, yan wasa ba zai haifar da wani "dodo", wanda zai ba daga miliyan daya Frames da biyu a kalla graphics saituna.

Bugu da kari, hukumar neatly shirya memory kayayyaki da kuma mahara hawa ramuka m sanyaya tsarin. A ka'ida, bayyanar da katin ne iya mamaki sai dai cewa novice wanda farko gani a irin wannan na'urar. Yana cimma duk kyawawan high quality, kuma hali na wadannan graphics cards.

halaye na

Bisa graphics katin a kan graphics core Radeon HD 7870. goyon bayan DirectX 11.1, da kuma OpenGL 4.2, cewa tuni ƙara da fata. An samu wata rundunar mallakar tajirai fasahar, kamar CrossFireX. Tare da su, mai amfani zai iya samun aiki totur a cike iya aiki. A core aiki a Agogon mita 1100 MHz. Don canja wurin bayanai ta amfani da wani fairly sabon 256-bit bas.

Video memory kayayyaki suna ci gaba da Hynix. Totur yana da 2 GB na memory, wanda shine irin GDDR5. Ƙwaƙwalwar gudanar a wani tasiri mita 5000 MHz. Wannan shi ne isa ga ma mafi halin yanzu wasanni na shekara. Duk da haka, ba duka gudu a iyakar graphics saituna.

A video katin iya nuna hoton tare da iyakar ƙuduri na 4096x2160 pixels. Yau halaye bar yawa da za a so, amma a wata low kasafin kudin Radeon HD 7870 zai zama mai kyau wani zaɓi don sayan. A tare da tare da mai kyau processor, shi har yanzu za a iya aiki da abubuwan al'ajabi a wuya shirye-shirye.

A sanyaya tsarin da kuma ikon amfani

Used dual-Ramin sanyaya tsarin. A ra'ayi na talakawan halaye na manufacturer bai download totur uku ramummuka, wanda ake amfani a wani karin iko da kuma tsada model.

A sanyaya ne fairly manyan tsarin, wanda yana da biyu ventilators. Domin da video katin, wannan "gini" ne a haɗe kawai 4 kusoshi. Ciki akwai uku zafi bututu da cewa kai tsaye fuska da zafi-yada murfi. Akwai kuma an shigar da wani kananan gidan ruwa a aluminum. Kamar yadda aka ambata riga, don hurawa sadu da biyu da kananan fan a kan jaddadawa na wanda data ba su da samuwa.

A rago yanayin katin jan 32 W na makamashi. Amfani ƙaruwa muhimmanci a farkon m, ko wasanni. Alal misali a cikin Crysis 2 (matsakaicin graphics da kuma FullHD-ƙuduri saitin) ikon amfani da aka rubuta a yankin na 140 W.

Video katin aiki kyawawan shiru. A rago yanayin da mai sanyaya ne kusan inaudible sauti. Duk da haka, a karkashin load da amo matakin ƙaruwa muhimmanci, Radeon HD 7870 a cikin wannan yanayin ya wuce ko da more iko model.