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Intel BX80637I53570K Core i5-3570K Ivy Bridge Four-Core 3.4GHz 6MB L3 Cache Socket 1155 77W Desktop Processor. Fan and heatsink are included on all merchandising packaged Intel processors.

Product Details

  • Brand: Intel
  • Model: BX80637I53570K
  • Original language: English
  • Number of items: 1
  • Dimensions: 3.20″ h x 5.70″ w x 5.00″ l, .70 pounds
  • Processors: 4


  • Model: Intel Core i5 Processor i5-3570K
  • Clock Speed: 3.4 GHz
  • DMI: 5 GT/s
  • Intel Smart Cache: 6 MB
  • Lithography: 22 nm


38 of 42 people found the following review helpful.
5Outstanding for CPU-intensive games and everything else
By Bryan
I recently upgraded from an AMD 955 CPU to an i5 3570k CPU, and I must say that Intel has gained another convert. This CPU will chew through any game, and I get much better performance than I ever did with the 955–the 3570k simply blows AMD out of the water. I do not do any sort of image editing or video encoding, so this review is written entirely from a gamer’s perspective.

-Great for extremely CPU-intensive games like the Total War games (Empire and Shogun 2 in particular). These games are fairly difficult to run smoothly at very high graphics settings due in large part to incredible (but demanding) particle effects, high unit density, shadow effects and many others, but the 3570k has no problems handling Empire at max settings (assuming you have a decent GPU to boot).
-I get much higher frame-rates and better performance in games like Crysis, Crysis 2, BF3, Max Payne 3, Empire: Total War, and Deus Ex 3 as well as older games like FEAR, Half-Life 2 and Rome: Total War.
-Achieves an overclock of 4.3-4.6GHz without much trouble at all (I’ve got mine at 4.5 GHz), at least on a Gigabyte Z77-UD3H motherboard.
-Using the Gigabyte Z77-UD3H MB I managed to OC to 4.3GHz with no stability issues at stock CPU Vcore voltage (1.13 V).
-Built-in Turbo boost feature clocks the 3570k up to 3.8GHz–which is a pretty decent boost and would be a good option for gamers who are uncomfortable with messing with BIOS settings to OC their CPUs.

-Almost identical to the 3770K in terms of gaming performance. Benchmark scores for a number of games show marginal (if any) improvements for the 3770k. Other benchmarks and certain games like the Total War series actually see improved frame-rates with the 3570k versus the 3770k.

-It does run somewhat hot–I get temps in the high 70s, low 80s (deg C) with the Cooler Master Hyper 212 EVO (with Arctic Silver 5 TIM) at 4.5GHz and 1.35 Volts. However, IB CPUs are designed to withstand more heat, so this is not a huge issue, but it may warrant considering a pricier cooler if you want to OC to around 5 GHz or higher.

OVERALL: The 3570k is an excellent CPU for any game on the market with a great performance-to-price ratio. Virtually all gaming performance benchmarks that you will find give near identical results for the 3570k and 3770k, so I would save yourself $100 and take the 3570K over the 3770k and put that money into a better graphics card or an SSD. If you already have a 2500k I would say that a 3570k is not worth the upgrade, but if you have anything older or are looking to switch over to Intel from AMD I would highly recommend it!

My PC specs:
Gigabyte Z77-UD3H MB
i5 3570k OC’d to 4.5GHz with Cooler Master 212 EVO + AS5 TIM
EVGA GeForce GTX 680 2GB on stock settings
Crucial M4 256GB SSD
Corsair Vengeance 1600MHz 8GB DDR3 RAM

77 of 90 people found the following review helpful.
By bob
I am very impressed with this CPU. “Slick” is the word that comes to mind. THe stuff on paper about the native PCIe rev.3, and the new memory control circuit….etc. It looks good on paper. “These numbers are better than those numbers, this is different than that….” Well I put one of these into my computer…the one I use everyday, and haven’t really upgraded for a while. I build i7s and Xeons, opterons, and Phenoms…….everyday. I get them to work, feed them an OS, drivers, applications, burn them in, package them and ship them out. I never really do ‘my’ work on them. (kinda like the shoemakers kids). I went back and forth between the i7s, the 2011 socket….but since this had been a bare bones bullet proof unit, I decided to go with the i5….something that would do what I needed it to do, and NEVER fail.

So I put this into an AsRock Extreme 4. Put my old hardware in there. Moved the drives over, loaded the drivers, and fired it up. Holy $^%t! All of that stuff on paper…forget it. What a kick. Real SATAIII is way faster than a SATAIII card. The graphics….wow! I felt like a kid on Christmas morning. This is a total computing experience. Again, I build cutting edge stuff for a living. So I’m kind of numb to this type of stuff. But when it was MY desktop flying around like that (Upgrade was from a core 2 quad)…….I was an end user again, and a very happy one at that.

(just one tech note: You have to have a z77 or better southbridge to make all the newer stuff on the gen. 3 Intels to work)

9 of 9 people found the following review helpful.
55 stars for CPU, 3 stars for CPU cooler
By Kobad
The CPU itself is great! I overclocked it to 4.2 Ghz, and my gaming DIY PC was a star! The integrated graphics without the drivers are horrible. But installing the drivers makes all the difference: 1.0 (without drivers)->6.7 (with drivers) on the Windows Experience Index (rating from 1.0 to 7.9) for graphics and gaming! It was even better than my ATi Radeon HD 6450! (It scored 4.4 and 4.6, for Aero and Gaming, respectively)

But the CPU cooler was the only con. And it was a biggie. I can take Intel’s side in saying most people don’t like the risk of overclocking. But then again, this is an unlocked CPU that was meant for overclocking!

The temperatures were 35 Celsius idle, 70 Celsius while gaming, at 3.4Ghz (Turbo Boost was off). But going to 4.2 Ghz meant 65 Celsius idle, and 100+ Celsius doing simple browsing! Of course, I turned the PC off immediately and never used it again until I installed a different Cooler Master CPU cooler.

Though I recommend the CPU, I think you should order a Hyper 212 Plus or some other CPU fan with it.

EDIT: Even though the included fan was bad, the Rocketfish one I ordered was even worse. Due to this I am changing my review to 5 stars.

EDIT2: Actually, the fan is pretty good if you don’t use the CPU in the background (antivirus and BOINC). The temperatures are 10 Celsius lower than with BOINC running.

See all 255 customer reviews…

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