The AMD Athlon XP 3100+ was a desktop processor with 1 core, launched in December 2003. It is part of the Athlon XP lineup, using the Thorton architecture with Socket A. Athlon XP 3100+ has 256 KB of L2 cache and operates at 2.2 GHz. AMD is making the Athlon XP 3100+ on a 130 nm production node using 63 million transistors. The multiplier is locked on Athlon XP 3100+, which limits its overclocking potential.
With a TDP of 68 W, the Athlon XP 3100+ consumes typical power levels for a modern PC. Although the processor doesn't come with integrated graphics, certain motherboards with compatible chipsets can provide this capability.
Many games will refuse to start on this processor due to the lack of the SSE2/SSE3/SSE4 instruction set.