DD-WRT is has access to some proprietary (Broadcom?) code which enables NAT acceleration on some models which, at least in my case, greatly improved performance over OpenWRT.
"DD-WRT has a license agreement and NDA in place with Broadcom that allow usage of better, proprietary, closed source wireless drivers (binary blobs) which they are not allowed to redistribute freely."
"DD-WRT has a license agreement and NDA in place with Broadcom that allow usage of better, proprietary, closed source wireless drivers (binary blobs) which they are not allowed to redistribute freely."