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How much do these i5-4000 series chips differ? Does it matter for gaming?

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March 13, 2014 6:08:35 PM

My son and I are building a gaming computer and have read a lot of information about various CPUs but cannot decide which of the Intel i5 chips is best. He is not a heavy gamer but wants to have a desktop that would scale up as he plays more.

Here is the list of parts:

Motherboard: MSI Z87-GD65 Gaming ATX LGA1150 Motherboard
RAM: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory
PSU: Corsair CX 500W 80+ Bronze Certified Semi-Modular ATX Power Supply
Case: Antec Nine Hundred ATX Mid Tower Case (has three fans)
Hard drive: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
GPU: Sapphire Radeon HD 7850 2GB Video Card (Debating on this one, too)

A couple of the CPUs we are considering - Intel® Core™ i5-4570 Processor (6M Cache, up to 3.60 GHz) OR the Intel Core i5-4670K 3.4GHz Quad-Core Processor. The prices are so close in the Intel chips (plus or minus $20) - can anyone guide us to how these chips differ? Can you tell a big difference when you are playing?

Appreciate any help you can offer - thanks.
a b 4 Gaming
a c 101 à CPUs
March 13, 2014 6:17:57 PM

Larger number generally means higher frequency, though they aren't really proportional. The difference is pretty minor anyway (Core i5-4430 is 0.4-0.6 GHz slower than Core i5-4670).

There is also one K model, the Core i5-4670K. The only difference that matters is that it can be overclocked (also requires a Z87 motherboard).

Oh, and there are S and T models too. They could stand for Slow and Terrible, though I don't think they really do. They are simply slower clocked versions that draw less power - only useful for very small cases with limited airflow.
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a b 4 Gaming
a c 101 à CPUs
March 13, 2014 6:21:40 PM

And, checking prices, right now the Core i5-4440 and the Core i5-4670K look like the best buys. The Core i5-4440 if you're not going to overclock, the Core i5-4670K if you are.
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a b 4 Gaming
a c 82 à CPUs
March 13, 2014 7:38:01 PM

Just like the Tom's Cpu guide says, if you don't plan on overclocking, there isn't any reason to pay more for a CPu than the Ivy Bridge i5 3350p Cpu. Sales for about 178 right now, and offers excellent performance. Pair it with an H77 chipset motherboard for about 80 dollars and you have a nice setup that'll work well for you. The Haswell i5 4670 is 205, and the 4670k is 210, but again, if you aren't interested in overclocking the difference in performance isn't worth the extra money spent. Spend the money where it'll do the most good, the graphics card.
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a b 4 Gaming
a c 101 à CPUs
March 14, 2014 5:30:30 AM

Swordkd said:
Just like the Tom's Cpu guide says, if you don't plan on overclocking, there isn't any reason to pay more for a CPu than the Ivy Bridge i5 3350p Cpu. Sales for about 178 right now, and offers excellent performance. Pair it with an H77 chipset motherboard for about 80 dollars and you have a nice setup that'll work well for you. The Haswell i5 4670 is 205, and the 4670k is 210, but again, if you aren't interested in overclocking the difference in performance isn't worth the extra money spent. Spend the money where it'll do the most good, the graphics card.

You can get a Core i5-4440 for $179.99, which is the exact same price as the 3350P (unless you pick a site that sells it for $2 cheaper but adds a $7 shipping fee). They both run at the same clocks, but the newer 4440 has better performance per clock. And the newer H87 and B85-based motherboards that the 4000 series drops into have better features than the H77 and B75-based boards the 3000 series relies on.

There's really no reason to get a Core i5-3350P anymore.
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a b 4 Gaming
a c 82 à CPUs
March 15, 2014 9:26:33 AM

Yeah, if the 4440 is the same price as the 3350p I'd go for that one. Just not worth paying much more for it over the Ivy Bridge iteration. The difference in performance at the same speeds between Haswell and Ivy Bridge are so minimal, that you'd never notice it. You can benchmark and show a difference, but real world performance is the same.

Sometimes you can find a 3470 for the same price point though, and that would be a great solution as well. Haven't seen a 4570 that low though. Both run at 3.2ghz.
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March 15, 2014 10:59:36 AM

Great - thanks, everyone for the advice!
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