Does increasing RAM or updating a graphics card help speed up a PC? By YL ComputingSpeed Up PC Yes, increasing RAM and updating a graphics card can help speed up a PC. More RAM allows the computer to store more data and access it faster. A better graphics card can help increase the processing power of the PC and improve graphics performance. Related Content:Is it possible to make my PC run faster without buying new hardware?What tips can I use to keep my PC running smoothly?Is it possible to overclock my PC to increase its speed?