The Seagate Laptop Thin SSHD is indeed faster than conventional hard disks in the PCMark real-life benchmarks, but doesn't reach the level of SSD performance.
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips