Atom x5-Z8350 undervolting on iWork 1X

Default multipliers:
24 T @ 0.64V (single core)
21 T @ 0.61V (4 cores)
18 @ 0.58V

Custom:
21T @ 0.53V (4 cores)

This thing is just barely stable - MPC-HC sometimes crashes on seeking, occasional BSOD. However I need to go this low to prevent it from reaching 82 degrees on load and the safety takes over.

Still just barely misses decoding Snow Halation without lag