I thought that at first when I had my first XP3000 cpu. Thought it was a 3.2 ghz cpu, went into device manager to see it running at 1.8 or something.

They are really easy to overclock and make it faster, but mine's plenty sufficient at the moment.

This is the spec's of mine

General Product Type Processor
Processor Type / Form Factor AMD Athlon 64
Processor Qty 1
Performance Index 3200+
Clock Speed 2.2 GHz
Processor Socket Socket 754
Cache Level 1 Size 128 KB
Architecture Features HyperTransport technology, AMD64 technology, integrated memory controller
Cache Memory Installed Size L2 Cache - 512 KB
Expansion / Connectivity Compatible Slots 1 x processor - Socket 754
Miscellaneous Included Accessories Heat sink, cooler (fansink)
Package Type AMD Processor in a Box (PIB)
Manufacturer Warranty Service & Support 3 years warranty
Service & Support Details Limited warranty - replacement - 3 years