in wattman quan overclock my graphics card Sapphire Radeon™ R9 380 2G D5 (ITX Compact) it's normal who has games that support more or less overclock my bios motherboard has been updated also I can you have a better to stabilize at the level of the graphical clock and with the new pilot amd also I am currently at 1100 mhz and memory at 1600 mhz ?? it's because its lag and screen freezes before I push clock at 1100 mhz and depuit games freezes I come back to 1080 mhz more stable energy consumption + 20 .......