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Overclock Galaxy 450 GC Question (MSI Afterburner)

post #1 of 12
Thread Starter 
Kinda new to the overclock stuff and wanted to know what you guys think would be a decent overclock that may show a bit of performance while gaming.

Edit card specs:
http://www.microcenter.com/single_pr...uct_id=0347469

Code:
Specifications
GPU Manufacturer NVIDIA
GPU Chipset GeForce GTS 450
Number of GPUs 1
Overclocked Yes
Core Clock Speed 825MHz
RAMDAC Clock Speed 400MHz
Shader Clock 1650MHz
CUDA Processors 192
Maximum Digital Resolution 2560x1600
Maximum Analog Resolution 2048x1536
Memory
Video Memory 1024MB
Memory Type GDDR5
Memory Clock Speed 1848MHz (3696MHz Effective)
Memory Bus 128-bit
Memory Bandwidth 59.1GB/sec
General
OpenGL Support OpenGL 4.0
DirectX Support DirectX 11
NVIDIA SLI Support NVIDIA 2-Way SLI
HDCP Support HDCP Capable
3D Ready Yes
Cooling Fan
post #2 of 12
I would go for a 950MHz OC, you might not hit it (not sure how 450s OC), but it would be3 a pretty big performance gain even if you just got close.
    
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post #3 of 12
if youre trying to be safe why not just overclock on stock voltage? here's what i do since you said you're new to overclocking.

1. run heaven benchmark in window mode. its very overclock sensitive so if it runs on heaven should run on other games.
2. raise core by +10 and hit apply.
3. check to see if there's any artifacting.
4. repeat 2 and 3 until you get artifacting, lower core by -20 and that should your safe freq. then do it for your memory and you're done.

you could raise voltage as long as your card isnt getting too hot, it should be fine but up to you.
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post #4 of 12
First off, what are your room temperatures and your load temperatures under Kombustor?
    
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post #5 of 12
Thread Starter 
what about the shader and memory?
post #6 of 12
Thread Starter 
Quote:
Originally Posted by MR KROGOTH View Post
First off, what are your room temperatures and your load temperatures under Kombustor?
I'll run it now.
post #7 of 12
Thread Starter 
I did all the tests and got this the temps seem to stay around 70-78ºc I leave the case of the case open so there is alot of airflow.

Based on this what do you think a good OC would be?






Edited by EmG - 6/16/11 at 5:45pm
post #8 of 12
Those temps are a bit sketchy - whats your fan speed?
    
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post #9 of 12
Thread Starter 
20%
post #10 of 12
Quote:
Originally Posted by EmG View Post
what about the shader and memory?
You do the same thing for shader and memory as you did for core. You could prob raise your voltages if you make your fans run faster. Do you have a Custom fan profile for afterburner?
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