Depends on what you are trying to do. If you want to run an entire CPU on an FPGA, ASICs will clearly be better. FPGAs are mainly useful for things that need t

Depends on what you are trying to do. If you want to run an entire CPU on an FPGA, ASICs will clearly be better. FPGAs are mainly useful for things that need to be (re)programmable. For things like programmable network routing/packet filtering, FPGAs could be a very effective solution.