0 GPU Overclock Guide

You have a GPU, but, it works slow?

Now, i will show you how to boost your GPU performance

This way works with improve increase your GPU clocks directly.

These are the steps :

1. Download RivaTuner 2.24c from Guru3D.

2. Install RivaTuner 2.24c and if you are asked for install update, select install update.

3. Run RivaTuner (If show unsupported drivers, ignore it).

4. Wait RivaTuner to scan your hardware, registies for Forceware, Catalyst 

5. If your GPU(s) are nVidia will be shown Forceware detected, and if your GPU(s) are AMD will be shown Catalyst detected.

Note: Don't Overclock your Integrated GPU, only for dedicated GPU

6. Click Triangle next to "Forceware/Catalyst detected"

7. RivaTuner will show new window. Give check "Enable hardware level overclocking"

8. Now, select Performance 3D and slide the slider below "GPU clock", "Memory clock", and "Shader clock"(if supported) until you find desired clocks.

9. If you have found desired clocks, now, click Save under Startup settings and check "Apply Overclocking at Startup".

10. Apply and OK.

I try above steps using GPU nVidia GeForce 9600GT

And I have done benchmark for it (3Dmark 2003) 1024x768 noAA. 

1. Before overclocking (450 Mhz, 500 Mhz, 1000 Mhz) the result is 15990

2. After overclocking ( 600 Mhz, 625 Mhz, and 1250 Mhz) the result is 16450

It also increase Frame Rate while i play Crysis : Warhead at mainstream settings, about 2.5 - 3.25 fps.

Note : Only slide the slider between blue indicator (save overclocking, no other cooler needed)