Nvidia seems to plan a HD 4670 killer
AMD wants to introduce the new middle-class RV730 based graphics cards within September. Therefore Nvidia is preparing a counterattack.
The Geforce 9550 GT is said to give the Radeon HD 4670 some hard time this fall. Even thou the exact specifications are not available yet, tcmagazine expects the 9550 GT to have higher clock speeds than the 9500 GT, 32 Streaming processors and a 128 bit memory interface that connects 512 MiByte VRAM. Furthermore it is supposed to support SLI and PCI-Express 2.0.
Grafikkarten-Rangliste 2016: 32 Radeon- und Geforce-GPUs im Benchmarkvergleich [Oktober]