Intel Core 2 (Conroe) Performance Review

By Zachary Chan - 14 Jul 2006

Results - SPEC CPU2000 v1.3

Results - SPEC CPU2000 v1.3

The Core 2's CPU results in SPEC CPU2000 are phenomenal to say the least. While the Athlon 64 FX-62 and Pentium XE 965 both struggle to reach the 2000 mark in the base integer tests, the Core 2 Extreme X6800 achieves an incredible score of 3119. That's a huge 65% improvement over the Pentium XE 965 on the Presler core, more than Intel's initial claim of a 40% integer performance improvement.

With the shorter pipelines of the Core microarchitecture, we had initially thought that floating-point performance might suffer somewhat, a compromise to being an integer monster, but the SPEC's base floating point results for the Core 2 Duo are almost as high as its integer scores.

Intel also maintains a healthy lead in SPEC's floating-point and integer rate workloads, showing off linear performance gains ramping from the 2.4GHz E6600 to the 2.93GHz X6800. As the Core 2 processors do not support Hyper-Threading technology, they do not suffer from the same performance hit as the Pentium XE 965 in the two-user multi-threaded tests.

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