See also:Spartan™-3 Generation
Spartan-3 family for I/O centric designs
Spartan-3E family for gate-centric designs
Spartan-3L family for low-power designs
Choose the Correct Spartan FPGA for Your Applications
Spartan Family* Gates I/Os Block RAM Embedded Multipliers DCM** Voltage
Spartan-3E 1.6M 376 648Kb 36 18x18 8 3.3V - 1.2V†
Spartan-3 5M 784 1872Kb 104 18x18 4 3.3V - 1.2V†
Spartan-3L 4M 633 1728Kb 96 18x18 4 3.3V - 1.2V†