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CPU and Motherboard questions

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January 25, 2011 6:43:32 PM

Hey guys, im in the process of doing a new build, i have a general idea of what i would like to do. I want to future proof my PC as much as possible, at a kind of low price, between the 1000 - 1500 dollar range. I am having trouble determening the proper CPU and Mobo to use.

Could anyone help me out on the difference between lga 1156 and 1366? Which tech is going to go to the wayside? Also which should I go with? What processor is better the i7 sandy bridge 2600 / 2600k? or the i5 sandy bridge 2500 / 2500k?

Any help with this would be much appreciated, as i want to have this PC for some time now. My current build has lasted me 4 years now and it was based off a lot of mid to older tech.

Thanks

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January 25, 2011 7:53:45 PM
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January 26, 2011 2:41:49 AM

Both LGA 1156 and LGA 1366 are going to be gone fairly soon. LGA 1155 is the current replacement, but LGA 2011 will be coming up towards the end of the year.

For gaming and general usage I would go with 2500/K. If you regularly use programs that take advantage of Hyperthreading, then go with 2600/K. Only get the K version if you plan on overclocking.

Just purchased this $1300 system today -- parts will be arriving on Friday:
Intel Core i5-2500K
Prolimatech Megahalems Rev.B cooler w/ two SilverStone FM123 fans
Gelid GC-Extreme thermal compound
ASRock P67 Pro3 mainboard
G.Skill Ripjaws X 12GB CL9 RAM (one 8GB kit and one 4GB kit)
Palit GTX 570 Sonic 1280MB video card
Samsung Spinpoint F3 1TB SATA hard drive
Samsung SH-S223C SATA DVD burner
Cooler Master HAF 912 case w/ six Scythe S-FLEX SFF21F fans
SeaSonic X-Series SS-560KM 560W power supply
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January 26, 2011 3:24:40 AM

Get the K version if there's a chance you'd overclock. It only adds 12% to the price, but gives you the option of easily adding 30%+ performance (although you can get the same overclocking without the K's, it is much more time consuming).

Leaps-from-Shadows has a decent build. I'd get an ATX board with two x16 PCI-e slots and a 750W PSU. You can look at Why_Me's building suggestions from this thread: http://www.tomshardware.com/forum/303681-31-gaming-buil... . I recommend some faster RAM at the bottom.

You would also want to adjust Why_Me's build on that forum to a GTX 570 instead of a 6950 if you aren't planning on unlocking the 6950 to a 6970 (for free). You'd probably want to get this CPU/mobo combo: http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
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January 26, 2011 4:20:02 AM

dalauder said:
(although you can get the same overclocking without the K's, it is much more time consuming).

With a P67 mainboard, non-K Sandy Bridge processors are limited to a four-bin Turbo Boost overclock. That's 4 x 100MHz = 400MHz total. You're missing out on a lot of power there.

Example:
i7-2600 starts at 3.4GHz and Turbo Boosts to 3.8GHz. If you put it in a P67 mainboard, you could overclock the Turbo Boost to 4.2GHz. The K version of that chip easily hits 4.4GHz or higher. I've seen reviewers with 4.9GHz 2600Ks.
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January 26, 2011 4:47:40 AM

Oh, btw--by two x16 lanes, I just meant two x16 LENGTH slots. The can run at x8 & x8 or x16 & x8 and you'll get nearly the same performance.
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January 26, 2011 4:50:33 AM

Oh, I forgot that P67 caps the overclock. It'll be nice when the new Intel Chipsets come out.
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February 1, 2011 11:24:24 PM

Hey all, thanks for the responses, but seeing as how I can no longer purchase anything related to sandy bridge, i have decided to go with AMD and ATI this time around. While im an intel nvidia fan, I really don't want to wait for intels shipments to start flowing.

This is what i decided to go with:

-Thermaltake Element G Mid ATX Tower
-ASUS Crosshair IV Formula AM3 AMD 890FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard
-x2 XFX Radeon HD 6870 Black Edition 1GB 256-bit DDR5 PCI Express 2.1 x16
-APEVIA WARLOCK POWER ATX- 900W SLI Ready CrossFire Ready Power Supply
-AMD Phenom II X6 1090T (as the benchmarks are fairly close to the 1100T and about 60 bucks cheaper)
-x2 Kingston HyperX 8GB (2 x 4GB) DDR3 SDRAM DDR3 1600
-x2 Western Digital Caviar 640GB 7200 RPM 64MB Cache SATA 6.0Gb/s (which i may bump up to 10,000rpm and bump up the storage)
-COOLER MASTER V6 CPU Cooler

As well as some various case fans and what not, i realize the processing power of AMD isn't as good as intel, but i don't want to wait around for the sandy bridge. Also a new processor is coming out for AMD, and while this current board won't take that new processor, the new boards will take this processor and will make the transition easy in about a year. Let me know what you all think of this build, feel free to comment etc.
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