The AMD Athlon 1000 was a desktop processor with 1 core, launched in June 2000. It is part of the Athlon Model 4 lineup, using the Thunderbird B architecture with Socket A. Athlon 1000 has 256 KB of L2 cache and operates at 1000 MHz. AMD is building the Athlon 1000 on a 180 nm production process using 37 million transistors. The multiplier is locked on Athlon 1000, which limits its overclocking capabilities. With a TDP of 54 W, the Athlon 1000 consumes typical power levels for a modern PC. AMD's processor supports DDR1 memory. Although the processor doesn't come with integrated graphics, certain motherboards with compatible chipsets can provide this capability. A lot of games will not work on this processor, because they require the SSE instruction set, which is not supported.