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Old 06-25-2010, 07:13 PM   #1 (permalink)
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Default Good size power supply for i7 920?

What's up everyone
Didnt really find what I was looking for with search, so here goes

I have a Dell studio xps with an i7 920... the factory power supply is I think 350 watts

the video card is a radeon 4850

is this power supply limiting my performance at all?
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Old 06-25-2010, 07:31 PM   #2 (permalink)
 
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Default Re: Good size power supply for i7 920?

350 is low for that setup, I'd double check that. I'd think atleast a 550W psu would be standard.

Looking around, the psu depends on the model, so what model?
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Old 06-25-2010, 07:47 PM   #3 (permalink)
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Default Re: Good size power supply for i7 920?

I wouldn't say it's limiting your performance for the components you have right now. But if your Dell motherboard had a few overclocking features in the bios it would limit your overclock. And it is a limiting factor if you'd like to upgrade the video or even adding another drive or 2. It could even pose a problem if you tried to buy more memory but I doubt it.
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Old 06-25-2010, 11:12 PM   #4 (permalink)
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Default Re: Good size power supply for i7 920?

yeah it's definitely a 360 watt, i just took a look

i believe it's the studio xps 435, it's about a year and 3 months old

i was reading something about turbo boost where the CPU can kick it up a notch when the power is available, but i don't see that happening with a 360 watt

i was thinking of upgrading the video card but there's no way i could do that and not do the power supply at the same time

what kind of cards are a noticeable difference from the radeon 4850 and don't use up a ton of power?
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Old 06-25-2010, 11:27 PM   #5 (permalink)
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Default Re: Good size power supply for i7 920?

The 4850 is a good card. You could always overclock it and squeeze more out of it.
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Old 06-25-2010, 11:30 PM   #6 (permalink)
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Default Re: Good size power supply for i7 920?

how much of a difference will i see between a 4850 with 512mb as opposed to like a 4870 or 90 with 1gb?
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Old 06-25-2010, 11:34 PM   #7 (permalink)
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Default Re: Good size power supply for i7 920?

Quite a bit. see the difference between the orange and red lines
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Old 06-26-2010, 07:53 AM   #8 (permalink)
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Default Re: Good size power supply for i7 920?

I wouldn't go with Intel, personally. If you want a much faster processor, go with AMD. They have a 2.8GHz six core processor for $199.99 on Newegg and a 3.2GHz six core processor for $295.99 on Newegg.

Also, according to newegg, they use fewer watts than the Intel i7 processors, too, even the one you said you were getting. However, if you are getting an AMD processor, it is likely you will have to find a different motherboard if the motherboard you have in mind is not compatible with AMD processors.
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Old 06-26-2010, 08:44 AM   #9 (permalink)
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Default Re: Good size power supply for i7 920?

^Are you kidding me? Take a look at this link before you say anything else.
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Old 06-26-2010, 10:18 AM   #10 (permalink)
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Default Re: Good size power supply for i7 920?

i already have the computer, i've had it for over a year, i don't think i'm going to need a processor upgrade for a long time but a little more video power wouldnt hurt
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