GPU power consumption

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Siganos

Siganos

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Aug 3, 2014
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Can my 500watt psu handle r7-265 or r9 270 - 270x .Which of 3 should i buy that goes well with my power supply and suits my rig?

My pc:
CPU:Intel Core i5 2400 3.10GHz
RAM:8,00GB Dual-Channel DDR3
MOBO:Gigabyte Technology Co., Ltd. P67A-D3-B3
PSU:Thermaltake tr2 Qfan 500w ATX 12v 2.3 80 % efficient
 
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jimthenagual

jimthenagual

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Apr 8, 2012
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Yes, you could power any three of those graphics cards with a solid 500W power supply. The problem is, your power supply isn't really a solid one. On the Tom's Hardware PSU list, it is graded as a tier 5 PSU.

Tier five - Replace immediately. These units are NOT recommended for any system, no matter the purpose. Reference to higher tiered models for a better and potentially money-saving unit

So you could try and power those graphics cards and you might be lucky and have nothing go wrong. But you are putting that new graphics card at risk of being fried when/if your PSU dies.

The good news is, you can get a good high quality PSU for around $45 :)
http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9
 
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Siganos

Siganos

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Aug 3, 2014
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My budget is pretty tight so i cant afford a psu right now(where i live the are a bit more expensive)

Using the psu calculator i had the following results:

with the R7 265 on high end mobo and 100% peak load(p.s. adjusments) i need 360 watt
with the R9 260X and the same setting in need 413 watt
with the r9 270 i need 400 watt.

From what i could find i think that the 270 would be a good choise for my psu
 
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jimthenagual

jimthenagual

Splendid
Apr 8, 2012
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Both of those card perform similarly, and your PSU is supposed to be able to power those GPUs. I'd go for whichever is cheaper.

I just want to say again, I'd strongly recommend you change your PSU if you can. It is considered the type of PSU that can damage other parts in your system. Even a cheap Corsair CX or VS 500W would be a great choice.
 
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Siganos

Siganos

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Aug 3, 2014
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I know , i initially was going to buy a gpu at first and then after some months buy a psu as well.Thats why i want to buy r9 270 even the simple one
Im in a budget thats my problem
 
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