3DMark Vantage performance figures and specifications of the upcoming ATI Radeon HD 4670 and 4650 graphics cards were published at VR Zone:
RV730 has 320 SP (same as RV670), 32 texture (2x RV670), 8/32 color/Z(1/2 RV670 on color and same as RV670 on Z). HD 4670 (RV730XT) is clocked at 750MHz core and 2GHz GDDR3 memory while HD 4650 (RV730PRO) is clocked at 650Mhz core and 1GHz GDDR2 memory.
Under 3DMark Vantage, HD 4670 scored P35xx while HD 4650 scored P21xx. In comparison, HD 3850 DDR2 scored P32xx and 9500GT DDR3 scored P19xx.