AMD 7970GHz 版 显卡评测
根据这份评测报告显示，AMD高频7970被命名为AMD Radeon HD 7970 GHzEditon，和之前普通版 Radeon HD 7970相比，核心芯片没有变化，都是台积电代工28nm Tahiti芯片，但是提升了工作电压和工作电流。AMD Radeon HD 7970 GHz Edition默认核心工作频率是1075MHz，比普通版Radeon HD 7970默认核心工作频率高出150MHz，显存工作频率1500MHz（等效6GHz），比普通版Radeon HD 7970默认显存工作频率高出125MHz，相应的纹理填充率也从118.4GT/s提升到137.6GT/s，显存带宽从264GB/s提升到288GB/s。测试显示，工作频率提升让AMD Radeon HD 7970 GHz Edition在3DMarkVantage v1.10 P模式、X模式测试、Unigine Heaven v3.0测试当中成功翻身，领先GeForce GTX 680，同时在其他大部分测试当中也摆脱了GeForce GTX 670追击。http://news.mydrivers.com/img/20120604/s_36944e87b16045278757fc470697f528.jpghttp://news.mydrivers.com/img/20120604/s_cba1b3c2dc084847b0ba31e180b3dd94.jpghttp://news.mydrivers.com/img/20120604/s_13caad0de14b4e8ab454d31eaca2072a.jpghttp://news.mydrivers.com/img/20120604/s_c2fd8d32bb9a4028838cf6b558b26540.jpghttp://news.mydrivers.com/img/20120604/s_ea18de927a78455ab3e04cf7de13c39b.jpghttp://news.mydrivers.com/img/20120604/s_974576e0abc44abea2b369062fbcac10.jpghttp://news.mydrivers.com/img/20120604/s_4c69c60736614656b06007cdea09ecab.jpghttp://news.mydrivers.com/img/20120604/s_e61550abfddf471685e84451b351fdb6.jpg
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