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Overclocking the ATI Radeon HD 4890 - Test System Setup and 3DMark Vantage

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Apr 3, 2009 4:35 am

Test System Setup


Processor(s): Intel i7 920 @ 3.8GHz (190MHz x 20)


Cooling: Noctua NH-U12P (Supplied by Noctua)


Motherboard(s): GIGABYTE EX58-UD5 (Supplied by GIGABYTE)


Memory: 3 X 2GB OCZ Technology PC-12800 DDR-3 8-8-8-24 (OCZ3G1600LV6GK)


Hard Disk(s): Western Digital 300GB Velicorapter (Supplied by Western Digital)


Operating System: Windows XP Professional SP2, Windows Vista SP1 64-Bit


Drivers: ForceWare 182.06, Catalyst 9.2, Catalyst (HD 4890)


With a bit of time taken to find the highest stable ceiling, we ended up with the clock rates that you can see below in the GPU-Z screen shot.


Overclocking the ATI Radeon HD 4890


We were able to move the default core clock from 850MHz to 950MHz, and we moved the default memory from 975MHz or 3800MHz QDR to 1100MHz or 4400MHz QDR. This is a pretty impressive overclock on both the core and memory; hopefully it will translate to a nice little performance increase in our benchmarks here today.


3DMark Vantage


Version and / or Patch Used: 1.0.1


Developer Homepage:


Product Homepage:


Buy It Here



3DMark Vantage is the new industry standard PC gaming performance benchmark from Futuremark, newly designed for Windows Vista and DirectX10. It includes two new graphics tests, two new CPU tests, several new feature tests, and support for the latest hardware.


3DMark Vantage is based on a completely new rendering engine, developed specifically to take full advantage of DirectX10, the new graphics API from Microsoft.


Overclocking the ATI Radeon HD 4890


In our first test we can see straight away that the overclock gives us a nice healthy increase in both the Extreme and Performance setup.


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