I have a question on overclocking.

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Medalofhalo

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Aug 13, 2014
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Hello,I have a question on overclocking my new GPU to get more FPS , I recently purchased a Sapphire R9 270 @GB overclock edition and it says on the back it stays cool when overclocking and in the AMD Overdrive tab in the catalyst control center it has a graph of a way to overclock.and I was wondering how to overclock with out my computer doing a massive death explosion.I am using a 480W max PSU and the GPU needs a 500W PSU,I really want to know if it is safe to overclock
 
Solution
nikoli707
yes i agree... that power supply is strangely low end with not much head room.

i wouldn't bother with overclocking your 270 since with that cpu your already seeing a big bottleneck. you would be better off getting a new cpu altogether.

PCPartPicker part list / Price breakdown by merchant

CPU: AMD Athlon X4 760K 3.8GHz Quad-Core Processor ($83.69 @ Amazon)
Total: $83.69
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-13 20:07 EDT-0400

this one should drop right into your motherboard no problem and will give you a huge jump in performance all around.
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Medalofhalo

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Aug 13, 2014
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PSU - http://www.logisyscomputer.com/viewsku.asp?SKUID=PS480D2&DID=POWERSUPPLY
CPU - AMD Athlon X2 340 dual core 3.20 Ghz

OebLl2u
that is the AMD overdrive feature http://imgur.com/OebLl2u
 
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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Forget the advertising :) .... let's skip what it says on the back of the card and see what it actually is.

1. Download and install the flying doughnut (Furmark), MSI AFterburner and HWiNFO64 or GPUz
2. Run Furmark till the yellow graph reaches the right side of screen.
3. Record max temp., max voltages and max power draw.
4. Use MSI Afterburner and slowly work ya way up to the settings in the 2nd link below
5. Rinse and repeat for steps 2 and 3

The R2xx series cards are very aggressively overclocked in the box and therefore you won't be able to squeeze that much more out of it.

http://www.guru3d.com/articles_pages/msi_radeon_r9_270x_gaming_review,8.html

Using one of the better custom cards...the MSI for example will pull 177 watts.

http://www.guru3d.com/articles_pages/msi_radeon_r9_270x_gaming_review,24.html

They were able to overclock it from 1120 MHz to 1175 MHz .... just 4.9% ..... adding 4.9% to 177 watts is just 8 watts....even doubling that adds just 17 watts . I highly doubt that your PSU will be bothered by the extra 17 watts unless it is already below the recommended minimum of 500 watts

AMD claims that the R series cards are fine at 95C. .... I'm a bit more conservative and wouldn't extend past 85C.

Here's their settings


index.php






That is a bit light on the quality / size recommendations tho still well below the max draw of 286 watts in the Guru3D tests
 
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nikoli707

nikoli707

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Jan 4, 2012
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yes i agree... that power supply is strangely low end with not much head room.

i wouldn't bother with overclocking your 270 since with that cpu your already seeing a big bottleneck. you would be better off getting a new cpu altogether.

PCPartPicker part list / Price breakdown by merchant

CPU: AMD Athlon X4 760K 3.8GHz Quad-Core Processor ($83.69 @ Amazon)
Total: $83.69
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-08-13 20:07 EDT-0400

this one should drop right into your motherboard no problem and will give you a huge jump in performance all around.
 
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Solution
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Medalofhalo

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Aug 13, 2014
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okay,thank you for your advice
 
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