The AMD Sempron 3400+ was a mobile processor with 1 core, launched in May 2006. It is part of the Mobile Sempron lineup, using the Roma architecture with Socket 754. Sempron 3400+ has 256 KB of L2 cache and operates at 2000 MHz. AMD is building the Sempron 3400+ on a 90 nm production process using 69 million transistors. The multiplier is locked on Sempron 3400+, which limits its overclocking capabilities.
With a TDP of 25 W, the Sempron 3400+ consumes only little energy.
The SSE4 instruction set is not supported, which can cause problems with modern games, as they require that capability.