有消息称，AMD-ATI将在本月推出新高端显卡产品Radeon HD 2900 XT 1GB GDDR4；Coolaler.com的guess098近日就得了一块该显卡，并对其进行了3DMark测试。

Radeon HD 2900 XT 1GB GDDR4PCB板长9.5英寸(24厘米)，默认核心/显存频率为743/1000MHz，测试中还考察了超频至858/1153MHz情况下的得分。搭配处理器为Intel Core 2 Duo QX6850，分为3.6GHz和4.0GHz两种主频下进行测试。主板华硕P5K-D、内存GSkill 2GBHZ 1GHz CL=4、电源Tt 1200W。

QX6850 @ 3.6GHz
HD 2900 XT 1GB GDDR4 @ 743/1000MHz

3Dmark01.....63713
3Dmark03.....38777
3Dmark05.....21480
3Dmark06.....12769

HD 2900 XT 1GB GDDR4 @ 858/1153MHz

3Dmark01.....65491
3Dmark03.....42680
3Dmark05.....22607
3Dmark06.....14255

QX6850 @ 4.0GHz
HD 2900 XT 1GB GDDR4 @ 743/1000MHz

3Dmark01.....68753
3Dmark03.....39360
3Dmark05.....22842
3Dmark06.....12944

HD 2900 XT 1GB GDDR4 @ 858/1153MHz

3Dmark01.....69669
3Dmark03.....43351
3Dmark05.....23978
3Dmark06.....14439