RAW NEF a PPM
Intel Core i5-4200U testing with a HP 2165 v29.42 (F.67 BIOS) and Intel Haswell Mobile 2GB on Debian 9.7 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1902103-SP-RAWNEFAPP50.
dcraw
RAW To PPM Image Conversion
Phoronix Test Suite v10.8.4