AMD's dual-GPU Radeon HD 4870 X2 less than a month away

AMD will follow up last week's launch of the Radeon HD 4870 graphics card with the anticipated two-chip version in August, Asian sites have claimed. The 4870 X2, like its predecessor, the 3870 X2, essentially sports a pair of GPUs, each with its own memory bank, and operating co-operatively using AMD's CrossFire technology. …