gt650mgddr3的精選

gt650md5&gtgt650md3&gtgt640md3≈hd6770m。650m和640m核心相同，區別僅在頻率和帶寬。650md3相當於桌面9800gt，650md5相當於桌面hd6750水平，640md3只有9600gt水平。d5的650m要比d3的強15%，d3的650m因爲頻率更高比640md3強...