显 卡 型 号 系 列核心频率显存频率显存位宽AMD Radeon HD 8970M CrossfireGCN850 - 9004800256AMD Radeon HD 7970M CrossfireGCN8504800256AMD Radeon R9 M290XGCN850 - 9004800256AMD Radeon HD 8970MGCN850 - 9004800256AMD Radeon HD 7970MGCN8504800256AMD Radeon HD 6990M CrossfireTerascale2715900256AMD Radeon HD 6970M CrossfireTerascale2680900256AMD FirePro M6100GCN10755500128AMD Radeon HD 7950MGCN7004000256AMD Radeon HD 6990MTerascale2715900256ATI Mobility Radeon HD 5870CrossfireTerascale27001000128AMD Radeon HD 6970MTerascale2680900256AMD FirePro M8900Terascale2680900256AMD Radeon HD 8870MGCN7254500128AMD Radeon HD 7870MGCN8004000128AMD FirePro M6000GCN7504500128AMD FirePro M5100GCN7254500128AMD Radeon HD 6950MTerascale2580900256AMD Radeon HD 8850MGCN575 - 7254500128AMD Radeon HD 7850MGCN6754000128AMD Radeon HD 8790MG