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870 will win in games without overclocking, it turbos up to 3.6. 950 turbos up to 3.33.
But with overclocking?
 

bombat1994

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Feb 8, 2010
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if you intend to overclock i think the 950 would be better but if not the 870

this is really just the 920 vs 860 debate all over again
 

iqvl

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Apr 17, 2010
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870 has on-die SB & PCIE controller and so it can communicate with GFX and Sata devices much faster than 950. Hence, it beats 950 in all but memory intensive apps (as 2x2GB v.s. 3x2GB).

They should be very similar in performance overall and so get whichever is cheaper.
 

rollaballinc

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I would say go with the i7 930 and save your money .... unless your able to find a heatsink and ram that can clock to 5.0 your best bet would be like 3.6 on a i7 930
 

iqvl

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I know but you can't build a PC without MB and RAM. Can you?
 

DXRick

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I would base the decision on what motherboard you want and whether you will SLI or CrossFire two GPUs. The P55 motherboards are cheaper than the X58 ones, unless you want to CF or SLI, in which case you will need a P55 mobo that has 16x/8x PCIe 2.0 slots. Such P55 mobos start around $160. You can get a decent X58 mobo for around $200 (like the Asus Sabrecat).

Another consideration is how much RAM you want. P55 mobos support 4GB or 8GB, and X58 mobos support 6GB or 12GB. if 4GB is enough for you, they cost around $50 less than 6GB kits.

In general, I have found that the price difference between an 870 and 950 system to be around $100.
 

kirtikem50

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Thankyou for your reply, I do not plan to SLI, to me is more important frequency and speed because for games, so I think made the choice), the more mobo is cheaper.