HardOCP has posted their review on AMD's Athlon 64 4000+ and FX-55 processors
AMD's Athlon FX series CPU gets a bump in core speed while the Athlon 64 sees a doubling of L2 cache. We will see how these CPUs fare against Intel's P4 3.6GHz and 3.4EE as well as AMD's own 3500+, 3800+, and FX-53.Read more
