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Effects of GPU frequency on 3DMark 06 Scores (9800GTX Single)

Overclocking your GPU will affect the rest of your system components in various ways. We look at how a single 9800GTX card is affected with synthetic benchmarking using 3DMark06.


Ever wondered how GPU frequency changes would impact 3DMark06 scores? We check it out using a single 9800GTX graphics card.

The intention is to overclock our friendly Intel CPU to 4.0GHz and then run 3DMark06 three times for every subsequent increase in the GPU’s frequency (Core, Memory and Shader).

Components Used

Processor: Intel Core 2 Extreme QX9650 C0 L744B174
Motherboard: Asus Striker 2 Formula 780i Bios 1401
Ram: 2 x 2GB DDR2 800 Crucial Ballistix Red Tracers
GPU: Asus 9800GTX 512MB
HDD: VelociRaptor 300GB
PSU: Silverstone Zeus ST85ZF 850W
Casing: Silverstone TJ09-BW

CPU Cooling: Swiftech H20 120 Compact TX-2 (Silverstone FM121)
GPU Cooling: Thermalright HR-03GT TX-2 (Zalman ZM-F3RL)
Case Cooling: 8 x Zalman ZM-F3RL

OS: Windows Vista Ultimate 64 Bit
Video driver: 175.16
Software: 3DMark 06 Advanced Edition
Software: GPU-Z 0.1.9


All voltages are set in bios.

CPU: 1.34V
Ram: 1.92V
1.2V HT: 1.23V
NB: 1.52V
SB: 1.5V
PLL: 1.52V
VTT: 1.24V


CPU overclocking is done in the bios.
GPU overclocking is done in windows using Nvidia Control Panel, Performance Section.

CPU @ 4.0 Ghz – 400 x 10

Ram is at 800 Mhz 4-4-4-12-24-2T Timings.

GPU (Core, Mem and Shader)

Core (Mhz) – 675, 700, 725, 750, 775, 800, 825
Mem (Mhz) – 1100, 1125, 1150, 1175, 1200, 1225, 1250
Shader (Mhz) – 1688, 1700, 1800, 1900, 2000, 2100

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