AMD sockets. They support that 2-3 generations with a single socket, allowing you to do such upgrades between generations.
Originally Posted by zanny
Dual-channel RAM is not that much of a limit. Consider socket 754, a previous single-channel AMD socket. Compare one of the last cpus for that, Athlon 64 3700+, a single-core made on 130nm in 2005 - it beats the 5350 by 5% in integer math single-threaded.
Originally Posted by wizard69
If a core with that outdated tech can beat it, using comparable external interfaces, there can easily be a doubling of performance using the AM1 socket.