I have the choice between using a slower processor (96 MHz) without an FPU or a faster one(120MHz) with a 32 bit FPU. I might use the slower one but with a fixe

I have the choice between using a slower processor (96 MHz) without an FPU or a faster one(120MHz) with a 32 bit FPU. I might use the slower one but with a fixed-point implementation. Thanks for your tips!