First of all I'll tell you my build
It's an Acer Aspire M1641 with a Intel Pentium Dual Core E5200 @ 2,5 GHz, 3GB of DDR2 RAM 800 MHz and a modified graphic card, the Gigabyte Radeon R7 260X 2GB OC DDR5. Now I get around 30-60 fps on every map I play and I'm almost certain the problem relies on...