 The core itself was mostly unchanged, except for doubling the onboard memory and bandwidth, similar to the FireGL V7350; new driver and software support made up most of the difference.Folding@home began using the X1900 for general computation, using a pre-release of version 6.5 of the ATI Catalyst driver, and reported 20-40x improvement in GPU over CPU.The first product was released in late 2006, rebranded as AMD Stream Processor after the merger with AMD.