Associate tested the 3D-card series Radeon HD 7900 in CrossFireX configuration . In this case, together with the HD 7870 and HD 7850-based GPU Pitcairn does not work.
Associate has tested Club 3D HD 7870 jokerCard together with the reference samples Radeon HD 7950 and HD 7970 in 3DMark 11 and Sleeping Dogs game and came to the conclusion that it is possible to achieve a good performance scalability .