i5 3570k or i7 2700k

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Is the Intel i5 3570k or i7 2700k better for gaming? Both are around same price for me.

I have a GTX 980. Which one would go better with it?
 
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photonboy
I recommend the i5-3570K.
(Not sure why you are not looking into a new Haswell)

I have an i7-3770K which is hyperthreaded but the ONLY time I ever benefit is when converting VIDEO. The advantage is theoretically close to 30% if you could use 100% of all eight threads but it usually ends up closer to 15% (I use two passes and it won't maintain 100% usage).

That's 15% but on the same architecture. It's likely the i7-2700K would win in this situation but by a small amount. In almost every other situation it would lose.

I don't know the exact real-world difference as I'm now distrusting Passmark scores for single-thread performance. They don't seem useful in many scenarios. I do know Intel has been getting roughly 10% better per...
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photonboy

photonboy

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Jun 20, 2006
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I recommend the i5-3570K.
(Not sure why you are not looking into a new Haswell)

I have an i7-3770K which is hyperthreaded but the ONLY time I ever benefit is when converting VIDEO. The advantage is theoretically close to 30% if you could use 100% of all eight threads but it usually ends up closer to 15% (I use two passes and it won't maintain 100% usage).

That's 15% but on the same architecture. It's likely the i7-2700K would win in this situation but by a small amount. In almost every other situation it would lose.

I don't know the exact real-world difference as I'm now distrusting Passmark scores for single-thread performance. They don't seem useful in many scenarios. I do know Intel has been getting roughly 10% better per generation at the same frequency.

Another small issue in GAMING is that a few games have issues. Not most, but several from Ubisoft have been documented to have stutter if HT is on (though you can disable it in the BIOS). Apparently Far Cry 3 is one of them however I've not verified myself. I can only verify Witcher #1 and Spider-Man Web of Shadows.

*With a GTX980 which is a great card it's likely I could find scenarios where you benefit slightly from the i5-3570K though it's not likely to be very significant so either should be okay.

Unless you edit video and a roughly 5% (estimate 15% HT - 10% arch diff) time savings is important I'd suggest the i5-3570K.

(If you think DX12 will do better with the i7-2700K then go that way. I don't think it will but either way I'm not expecting much real-world difference.)
 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
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85,015
Not much difference here (use i7-2600K):
http://techreport.com/review/23246/inside-the-second-gaming-performance-with-today-cpus/2

I can't find much difference in modern games, and DX12 for future games is likely to actually make them basically IDENTICAL for performance. DX12 can not only use more threads but it's also much more efficient coding.

*The only really significant thing I can think of is the MOTHERBOARD. The newer chipset for the i5-3570K board may be of benefit. The computer will also produce slightly less heat if room temperature is an issue.
 
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