ffmpeg undervolting
$ sudo intel-undervolt apply
CPU (0): -84.96 mV
GPU (1): -0.00 mV
CPU Cache (2): -0.00 mV
System Agent (3): -0.00 mV
Analog I/O (4): -0.00 mV
HTML result view exported from: https://openbenchmarking.org/result/1907215-BEAR-FFMPEGU55&rdt.
FFmpeg
H.264 HD To NTSC DV
Phoronix Test Suite v10.8.5