How safe can I overclock my HD 7750 on a 500W PSU?

getsubhanjandutta

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Sep 1, 2014
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Hi friends

I have been using XFX Radeon HD7750 for over 1 and half years and I have played high graphics games like BF4, Watch Dogs, COD Ghosts with Ultra Settings but with low fps.

I want to increase the clock speed of my card so that I can get the best performance without changing the voltage. Someone who has done this before plz help me for this specific card. Plz be sure that it does not blow up or fry anything because I won't be able to afford a new one.

My System Specs are
Intel DH61WW motherboard
8GB DDR3 RAM 1333Mhz
Corsair 500W PSU
CORE i3 2120 CPU
XFX HD 7750 1GB DDR5 CORE EDITION GPU
 
Solution
MSI afterburner is a great program, even if you don't run an MSI card. That being said the 7750 is a low wattage card that doesn't provide much voltage headroom, so if your inexperienced at overclocking I would leave it at stock voltage and see how far you can push it. At stock voltage there is very little risk. I would also recommend using a program like Furmark to stress test the card and monitor the temperatures, I don't recommend letting the temps go above 85 deg Celsius.

Also note that this will not improve performance to the level of game play your hoping for. It's simply hardware limitations, for ultra settings on these games you would need at minimum to get playable frame rates an i5 CPU, and an R9 280(x would be preferable)...

Xibyth

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Mar 22, 2014
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MSI afterburner is a great program, even if you don't run an MSI card. That being said the 7750 is a low wattage card that doesn't provide much voltage headroom, so if your inexperienced at overclocking I would leave it at stock voltage and see how far you can push it. At stock voltage there is very little risk. I would also recommend using a program like Furmark to stress test the card and monitor the temperatures, I don't recommend letting the temps go above 85 deg Celsius.

Also note that this will not improve performance to the level of game play your hoping for. It's simply hardware limitations, for ultra settings on these games you would need at minimum to get playable frame rates an i5 CPU, and an R9 280(x would be preferable). Watch dogs is particularly notorious for being hard to run on any GPU below 3GB of VRAM.
 
Solution
i just want to comment regarding the lifespan (pls note that i don't oc my gpu, only my cpu but anyway)

sure, it will probably lessen the lifespan esp with higher voltages. but my thinking is, i only keep a gpu for around 2-3 yrs. a cpu for around the same time (except for what i have now, 2500k which oc's well)
so even if the life span decreases, most likely i am using a new one before it dies.
besides, i don't oc like there's no tomorrow. my voltages are far from maximum
 

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