Table 1: Hardware resource requirements comparison of pipeline FFT architectures (based on [4]).

Complex multipliersComplex addersMemory sizeControl logicComp. Utilization
add/subMultiplier

R2SDF simple50%50%
R4SDF medium25%75%
R4SDC complex100%75%
R22SDF simple75%75%
R2MDC simple50%50%
R4MDC medium25%25%