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Using a 7790 with Intel Core 2 Quad Processor Q8300 CPU? good or bad?

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July 29, 2013 4:28:27 PM

My friend has an old PC, and he wants to buy an "Sapphire Radeon HD 7790 OC 2GB GDDR5" to upgrate it, and I suggested him buying a 500W PSU too, a "Tacens Radix ECO 500W", because his PSU came with his PC that he bought on Carrefour some years ago it's a 400W not really good quality PSU and does a lot of noise, his CPU is "Intel Core 2 Quad Processor Q8300 2.50Ghz" also he have an Radeon HD 5450 that uses PCIe 2.1 x16 slot, so seems the new graphics card will fit too there, also his case has a lot of space.

He doesn't care if his CPU will bottleneck, he does not have money to a new PC and he will be upgrading step by step his PC, 1st PSU and GPU, after some time Motherboard and CPU, RAM. He just want his PC to work better.

What do you think it's a good suggestion buying an 500W PSU too? and what do you think about this upgrade? As I know is always good to get a good PSU for a good graphics card, if it will work....but I saw ppl using an Intel Core 2 Quad q8200 with 560 Ti and it worked, here an example: video
a b à CPUs
a b À AMD
a b ) Power supply
a b V Motherboard
July 29, 2013 4:50:28 PM

I don't know spanish but it seems your PSU doesn't have a 6-pin power conductor for PCI-E x16 graphic cards. Spanish has something same as French, so I could read something.

However, HD 7790 need a 6-pin conductor so your PSU I'm afraid that it won't meet his need.

Check out if his 400W PSU has a 6-pin conductor for graphic cards. If not, there is still an option: HD 7750 GDDR5 1GB. This graphic card doesn't need an additional power cord and it works on par w/ 2007-2008's flagship HD 4870, suitable enough for Q8300. Unless u find a 400W+ PSU which has a 6-pin conductor I've mentioned, I don't think this PSU will bring u any difference.


Here is some alternative:

PCPartPicker part list: http://es.pcpartpicker.com/p/1m6vu
Price breakdown by merchant: http://es.pcpartpicker.com/p/1m6vu/by_merchant/
Benchmarks: http://es.pcpartpicker.com/p/1m6vu/benchmarks/

Video Card: Sapphire Radeon HD 7770 GHz Edition 1GB Video Card (€100.88 @ Amazon Espana)
Power Supply: SeaSonic 360W 80 PLUS Gold Certified ATX12V Power Supply (€55.76 @ Amazon Espana)
Total: €156.64
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-30 01:54 CEST+0200)


O this cheapest solution:
PCPartPicker part list: http://es.pcpartpicker.com/p/7DYf
Price breakdown by merchant: http://es.pcpartpicker.com/p/7DYf/by_merchant/
Benchmarks: http://es.pcpartpicker.com/p/7DYf/benchmarks/

Video Card: Asus Radeon HD 7750 1GB Video Card (€92.75 @ Amazon Espana)
Total: €92.75
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-07-30 01:56 CEST+0200)


Esta bien de la solución? (I'm sorry I couldn't speak it well, I translated according to French)
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a b à CPUs
a b À AMD
a b ) Power supply
a b V Motherboard
July 29, 2013 6:39:52 PM

Yup. PEG stands for PCI-E Graphic Card conductor. It's good to go w/ this PSU. No need to buy another one.
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July 30, 2013 5:56:49 AM

One thing more http://www.pccomponentes.com/sapphire_radeon_hd_7790_oc... video card comes with "6 PIN to 4 PIN Power Cable" what this means the 4 pin have to be connected to the video card and 6 pin to PSU, or reverse? because in the 7th photo os the 7790 I see it have a 6 pin connector, so if I connect the power cable there the other side will be a 4 pin that goes to PSU? or how it is? can this mean that a PSU with 4 pin can be used too?
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Best solution

a b à CPUs
a b À AMD
a b ) Power supply
a b V Motherboard
July 30, 2013 6:10:32 AM

Not, only if u don't have a 6-pin connector of your PSU. Just use this 6-pin to connect your HD 7790 it's OK
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