HP 746026-601 - System board (motherboard) - Includes an Intel Core i7-4500U dual-core processor (Haswell-ULT, 1.8GHz, 4MB Level-3 cache, 15W TDP),

System board (motherboard) - Includes an Intel Core i7-4500U dual-core processor (Haswell-ULT, 1.8GHz, 4MB Level-3 cache, 15W TDP), PCH SOC chipset, and AMD Radeon HD 8670M graphics with 1GB discrete memory - For use in models with Windows 8 Professional