Overclocking the i5-3570K and Radeon 7870 GHz Edition

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BluMinusE

Honorable
May 19, 2013
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I recently ordered all of my parts for my computer, and my PSU is the Corsair TX650. I'm looking to overclock both the CPU and GPU, and I realized afterwards that the power consumption would increase when overclocking. I would like to overclock the i5-3570K to >4.0GHz and the Radeon 7870 to >4.0GHz as well. Would the TX650 be able to handle that, or will I need to return the PSU and get a more powerful one?

Thanks,
Blu.
 
Solution
manofchalk
Memory clocks can be measured in two ways, effective and actual.

Effective memory clock is the actual x4. So when you open Afterburner or whatever you use to overclock the card, it will say your memory clock is 1200Mhz. Times that by 4 and you get 4800Mhz, which is your effective memory clock. Actual dictates how fast each VRAM group runs, and effective is the sum total speed of all the groupings of VRAM you have (I suspect its convention to have four groups).

But anyway, your TX650W will handle the additional load quite easily. More than likely a 550W would be plenty actually.

Also the 7870 is a great overclocker, back when I had mine I was running it at 1175Mhz on the core and 1375Mhz (actual) on the Memory, which funnily enough...
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BluMinusE

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May 19, 2013
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Not even the GHz edition? They said the maximum effective memory clock was 4800mhz...

N1YyRvQ.png


Hmm. Thanks for the fast reply, that really reassured me.
 
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manofchalk

manofchalk

Glorious
May 11, 2012
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Memory clocks can be measured in two ways, effective and actual.

Effective memory clock is the actual x4. So when you open Afterburner or whatever you use to overclock the card, it will say your memory clock is 1200Mhz. Times that by 4 and you get 4800Mhz, which is your effective memory clock. Actual dictates how fast each VRAM group runs, and effective is the sum total speed of all the groupings of VRAM you have (I suspect its convention to have four groups).

But anyway, your TX650W will handle the additional load quite easily. More than likely a 550W would be plenty actually.

Also the 7870 is a great overclocker, back when I had mine I was running it at 1175Mhz on the core and 1375Mhz (actual) on the Memory, which funnily enough was much faster than the OC version of the card. The speeds that you get at stock are pretty conservative.
 
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