Swap 3570k for 2600k?

sabot00 · Jan 25, 2014

I have a Prodigy build with the ASRock Z77E-ITX mobo. When I built this computer over a year ago I didn't notice that the mobo supports Sandy Bridge, so I bought a 3570k.

Price concerns not withstanding, would replacing the 3570k with the 2600k result in a big performance boost? I overclock and have read that Sandy Bridge overclocks a lot better than Ivy Bridge. My current 3570k only gets about 4.2GHz without any additional VCore. I know Ivy got some mild IPC improvements, so would 4.2GHz on Ivy be about 4.3 on Sandy? Or is it even smaller than that?

maxiim · Jan 25, 2014

You're talking apples and oranges here, one is an i7 the other an i5. Of course the i7 will out perform even though its a generation behind.

gustafangus · Jan 25, 2014

You might get a 4,3ghz OC on a stock 2600k. I've seen it before, BUT for gaming purposes, no, in no way is a 2600 better than a 3570k in games. Maybe Crysis. 3 and the up oming Witcher 3 use a bit more cores, thus running. 3-5% better but not in general. Te 3570k has better single-core performance, i believe, and therefore will e equivelant (maybe even faster) in today's games, that use 2-3 cores.

For the money of the 2600k, get an SSD or something, it'll be much better for you!

Good luck!

gustafangus · Jan 25, 2014

I didn't really state that well. What I meant to say was, the 2600k is as a chip itself more powerful, but in gaming you'll get a 4% increase and that to me ain't even worth paying 15$ more. Stick with your i5 if you're gaming.

maxiim · Jan 25, 2014

gustafangus :

I think he meant he has a 2600k and bought a 3570k afterwards, I'd keep the 2600k over the 3570k any day of the week.

sabot00 · Jan 25, 2014

How much better is Ivy in single-core performance at the same clock rate?

Also, I have an Antec Kulher 920, what kind of OC do you think I can get out of the 2600k?

gustafangus · Jan 25, 2014

Well, if you have a 2600k then ABSOLUTELY replace the i5. I just said selling it and dropping another $280 won't make a difference much in gaming

gustafangus · Jan 25, 2014

It's not by that much more powerful, but when OC'd it's faster than a 3570k. You could do 4,3-4,6ghz on that cpu. See where the stock voltage takes you and then up it up a bit!

k1114 · Jan 25, 2014

4.2 ib is closer to 4.4 sb. Sb typically oc higher but ib being a better architecture makes it so they are the same performance. So games/software will be the same if they don't take advantage of the extra threads. This is why a lot of people were still buying sb when ib came out alongside the fact that they switched to paste from solder. It is really a sidegrade unless you take advantage of the extra threads. But if you already have it then the 2600k is the obvious choice.

maxiim · Jan 25, 2014

The clocks you can get on the 2600k are all down to the silicon lottery. Having said that if you compared a sandy and an ivy both from a good batch, the sandys have always OCed better, and been much better with heat output. And the sinlgle thread performance is negligible, I'll drop a chart below. Personally if you had the 2600k there would be no need to upgrade even to a haswell just yet unless you wanted to waste some money especially since you'd be downgrading and losing hyperthreading, unless HT doesnt matter to you, at which point you wasted money on buying a 2600k instead of a 2500k.

http://www.cpu-world.com/Compare/574/Intel_Core_i5_i5-3570K_vs_Intel_Core_i7_i7-2600K.html

jaguarskx · Jan 25, 2014

Generally speaking, the increase in performance from Sandy Bridge to Ivy Bridge is on average 6%.

Therefore, an Ivy Bridge CPU @ 4.2GHz is about equal to a Sandy Bridge CPU @ 4.45GHz. I suppose if you overclock a Sandy Bridge CPU to 4.46GHz or higher, then it would be "faster".

gustafangus · Jan 25, 2014

jaguarskx :

+ this chart shows @4,5ghz the 2600k using quite less power. So much for the 4xxx's generation "small power consumption"

http://www.ocaholic.ch/modules/smartsection/item.php?itemid=1123&page=12

Oh, and ofcourse, SLAYEEEEEEEEEEEEEEEEEEEEEEEEERRRRRRRRRRRR!

maxiim · Jan 25, 2014

gustafangus :

The 2600k here is the better CPU anyway you look at it, whatever he happens to be doing its almost impossible that the 3570k will beat it. As far as the 4x series are concerned, I'm sure the op is going between the 2k series i7 and 3k series i5.

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