HP 455 G3 15.6" HD ProBook Flagship High Performance Laptop PC, AMD A10-8700P Quad-Core, Radeon R6 Graphics, 16GB DDR3, 1TB HDD, DVD RW, RJ-45, Bluetooth, WIFI, Webcam, Windows 10, Black
Huh. Nothing seems wrong with those specs you have. Your CPU seems good; the GPU isn’t the best but is stills serviceable. You were probably using badly-written applications that don’t take advantage of the hardware correctly.