Finally the Pipe with --stdout option is the same - very slow - looking at "Util":
Command is
Quote:HWMon.Dev.#1.....: Temp: 57c Fan: 0% Util: 52% Core:1860MHz Mem:4513MHz Bus:1And speed is only Speed.Dev.#*.....: 2164.1 kH/s
HWMon.Dev.#2.....: Temp: 50c Fan: 0% Util: 0% Core:1506MHz Mem:3802MHz Bus:1
HWMon.Dev.#3.....: Temp: 55c Fan: 0% Util: 0% Core:1683MHz Mem:4513MHz Bus:1
Command is
Quote:hashcat64.exxe -i -a 6 --stdout D:\dic.txt ?d?d?d?d?d?d?d?d?d?d?d | hashcat64.exe -m 120 -w 4 -O hash.txt