HP 781412-601 - System board (motherboard) - Includes an Intel Celeron 2957U dual-core processor (Haswell-ULT, 1.4GHz, 2MB Level-3 cache, 15W TDP),

System board (motherboard) - Includes an Intel Celeron 2957U dual-core processor (Haswell-ULT, 1.4GHz, 2MB Level-3 cache, 15W TDP), PCH SOC chipset, and AMD Radeon HD 8670M graphics with 2GB discrete memory - For use in models with Windows 8 Professional