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Athlon II x4 or Corei5 w/ Radeon 5870/5850

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October 8, 2009 4:00:42 PM

Hi I am thinking of building a new computer and would like to ask something.I cant decide between to cpus.I am thinking of getting a athlon II x4 620 the new quad core because it is alot cheaper than corei5.There is a bundle on a site the athlon bundle is 300$ and the corei5 bundle is 500$.They both have 4gb rams the mobos are of course different.So I was thinking if I should go for the athlon and use that 200$ difference to get the 5870 instead of a lesser card.Would the CPU cause anybottle necks or should I go for corei5 + 5850.

Any thoughts?
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October 8, 2009 4:34:30 PM

If you're paying $500 for a Core i5 750 + motherboard + 4 gigabytes of DDR3 RAM you're paying too much unless it's a high end P55 motherboard (above $200).
You would be a lot happier with a more powerful Core i5 than a budget Athlon II X4 especially if you're planning on getting the Radeon 5850 series cards.I think that the Radeon 5870 cards are just too pricey right now.Right now though aftermarket CPU heatsinks/fans for the i5/P55 platform are few in numbers because the platform is so new.However the i5 can over clocked sometimes over 50% their clocked speeds with monstrous performance gains.I see some individuals have even obtained over clocks by as much as around 4.2-4.3 Ghz with high end air cooling (even slightly more than Core i7/X58 users).
Later on you can add a second 5850 graphics card in CF with a i5 and a 5850 if you want super gaming performance at a low cost (bang per buck).
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October 8, 2009 4:52:25 PM

Yea I am thinking of getting corei5 + 5850 the problem is 5850 isnt anywhere to be found.The prices were in Canadian dollars by the way.
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October 8, 2009 4:59:31 PM

Well the 5850 just showed up a little after the 5870 in the U.S. so if it hasn't arrived it should show up pretty shortly.We have it available online at newegg
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October 8, 2009 5:04:34 PM

They'll will be more availability in the next few weeks/days. The 5850 just came out around last week I believe and they're in pretty high demand so they usually sell out shortly after they come in stock. Just check Newegg.ca every day and see if they're in.

As for the CPU, I would for sure go for the i5, its ridiculously better.

http://www.anandtech.com/bench/default.aspx?p=106&p2=10...
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October 8, 2009 5:06:36 PM

I have the 5850 with an i7 860 I just built last night! :) 

I would go with the i5 5850 because of the L3 cache and overclocking capabilities. Although the L3 cache is probably negligible right now (correct me if I'm wrong please), it will help eventually.

The 5850 will play pretty much anything right now. And when you get more cash, just grab another!

Check out these threads that might help:

Athlon vs Phenom (sort of, more like L2 vs L3)
http://www.tomshardware.com/reviews/athlon-l3-cache,241...

I5 Review
http://www.anandtech.com/mb/showdoc.aspx?i=3639

Propus (Athlon 620) Review
http://www.tomshardware.com/reviews/athlon-ii-propus,24...
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October 8, 2009 5:28:23 PM

Ok thanks guys, looks like I will build a corei5 + 5850 as soon as 5850 becomes available in Canada.
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October 8, 2009 11:50:16 PM

Its in stock on Newegg.ca right now!! go go go!!!
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October 14, 2009 4:19:36 PM

Im checking 3 places right now and haven't catched 5850 yet.Im looking at newegg.ca,canadacomputers and ncix.They are all out of stock at the moment.Anyway here is the other parts I picked so far,I am open for any suggestions.



COOLER MASTER RC-690-KKN1-GP Black SECC/ ABS ATX Mid Tower Computer Case - Retail - 80$

ASUS P7P55D LE LGA 1156 Intel P55 ATX Intel Motherboard - Retail - 150$


COOLER MASTER Silent Pro 600 RS-600-AMBA-D3 600W ATX12V V2.3 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active ... - Retail -120$


Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor Model BX80605I5750 - Retail - 230$


OCZ Platinum 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Dual Channel Kit Desktop Memory Model OCZ3P16004GK - Retail 106$

I have an 24" Acer lcd monitor H243HBID sth with 1920x1080 resolution.So what am I missing is the 5850 a dwd writer which is no big deal and a not too expensive sound system.I also have a 1TB harddrive which has some files in it so I might buy another driver too.

All prices are in canada dollars.I think this system will hit 1300$ with taxes and stuff.
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December 28, 2009 12:38:29 AM

Finglor said:
Yea I am thinking of getting corei5 + 5850 the problem is 5850 isnt anywhere to be found.The prices were in Canadian dollars by the way.



Im sorry to inform that Core i5 it's not for Crossfire or SLI it shares the pcix lines so if you run 2 VGAs you will be running them at 8x insted of 16x. NOT smart if you are looking for performance.

The idea it's to get that powerful CPU with a cool VGA like 5870 and that will be a good match.
Forget about Crossfire or SLi with that CPU coz it's not good for that.

If you want to do SLi or Crossfire build you should go to an X58 mobo and CPU and of course pay the price it's not always nice.

But... the true isnt always nice right?? It's just not fair to buy a new PC thinking about getting new stuff and end up with something worst than what you've imagined.
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December 28, 2009 12:58:42 AM

Sorry but running crossfire runs well with i5 and the P55 platform.
The difference between 8 X 8 and 16 X 16 is minimal just a few percent.
Toms hardware even has a recent SBM with the i5 and 2 Radeon 5850's in crossfire.

http://www.tomshardware.com/reviews/build-own-pc,2503.h...
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