gimp-test
Intel Xeon E3-1246 v3 testing with a ASRockRack C226M WS (P2.30 BIOS) and AMD Radeon RX 5700 8GB on LinuxMint 19.2 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1908178-HV-1907278HV96.
GIMP
Test: resize
GIMP
Test: rotate
GIMP
Test: auto-levels
GIMP
Test: unsharp-mask
Phoronix Test Suite v10.8.4