Quote:
Originally Posted by Lateralus
Ive herd a couple times that AMD Athlons are beter for gaming than pentuims. Is this ture?
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The Athlon64 has a more powerful FPU (floating point unit) than the P4, which helps a lot with most 3D games. However, the biggest advantage the Athlon64 has is probably its low-latency on-chip memory controller. Since games involve a lot of very complex calculations on relatively small amounts of data the low memory latency is a big advantage.
The P4 has a higher memory latency (which is bad), but it also has more memory bandwidth (which is good). That on top of its L2 cache architecture makes it very good for dealing with large amounts of data, which is why you will see single-core Athlon64s beaten by P4 in tasks like media encoding.
In most applications, however, the lower memory latency results in better overall performace. The difference is very pronounced in 3D gaming applications, though.