The Intel Core Solo ULV U1300 was a mobile processor with 1 core, launched in April 2006. It is part of the Core Solo lineup, using the Yonah architecture with Socket 479. Core Solo ULV U1300 has 2 MB of L2 cache and operates at 1066 MHz. Intel is making the Core Solo ULV U1300 on a 65 nm production node using 151 million transistors. The multiplier is locked on Core Solo ULV U1300, which limits its overclocking potential. With a TDP of 5 W, the Core Solo ULV U1300 consumes extremely little energy. Intel's processor supports DDR1 memory. The SSE4 instruction set is not supported, which can cause problems with modern games, as they require that capability. Hardware virtualization is available on the Core Solo ULV U1300, which greatly improves virtual machine performance.