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Gaming performance on newest processors?

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October 9, 2012 8:44:56 AM

How do the latest generation of processors perform in gaming as opposed to earlier gens?

How much faster is the flagship Sandy Bridge and Ivy Bridge to the old Nehalems? What about GPU/CPU bottlenecks?
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October 9, 2012 8:48:46 AM

There's a million reviews on the internet.
October 10, 2012 7:27:50 AM

Ivy > Sandy > Nehalems. Sandy architecture seem to be most comfortable for ocing, the i2500K is ridiculously easy to OC, trust me.
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October 11, 2012 5:00:03 AM

koreanzombie said:
Ivy > Sandy > Nehalems. Sandy architecture seem to be most comfortable for ocing, the i2500K is ridiculously easy to OC, trust me.


The Ivy Bridge is not compatible with the X79 chipset. The precursor to the X79 (I forgot it's name) has limitations with memory and PCI bus bandwidth.

Off-topic, but when will the 8-core variants of the Intel processors hit store shelves?
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October 11, 2012 5:04:54 AM

Ivy bridge ~5% > Sandy bridge ~ 10% > Nehalem. So an Ivy bridge is about >10-15% better than a Nehalem and a sandy bridge is about 10% better.

All three generations are superb and AMD has only recently managed to even get into range of the 1st gen's (after 4 years) in terms of performance. The X79 chipsets should be similar but with higher memory bandwith etc.
October 11, 2012 7:26:33 AM

lilotimz said:
Ivy bridge ~5% > Sandy bridge ~ 10% > Nehalem. So an Ivy bridge is about >10-15% better than a Nehalem and a sandy bridge is about 10% better.

All three generations are superb and AMD has only recently managed to even get into range of the 1st gen's (after 4 years) in terms of performance. The X79 chipsets should be similar but with higher memory bandwith etc.


Other than energy efficiency and overclockability, there is not a HUGE performance difference between the newer generations of Core i7 processors?
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October 11, 2012 8:28:13 PM

Nope. It's more about power efficiency and smaller processes (45nm -> 32nm -> 22nm) which also contributes to slightly to better performance.

A 1st gen will usually get into the 3.8-4.0ghz range in overclock; 2nd gen will get into the 4.4-4.5ghz range; 3rd gen will get to around 4.2ghz before it hits a temp ceiling due to the new thermal design on the chips.

There's some other differences like quicksync and updated instruction sets but nothing that a performance enthusiast like most of us will usually care about.
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October 11, 2012 8:32:37 PM

I don't think 4.2 GHz is true if you have a good cooler.
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October 11, 2012 10:14:41 PM

"Good" cooler is true but you still hit a ceiling where it starts increasing massively in temperature and it gets trickier.

4.4-4.5 and ~3.8-4.0 for 2nd and 1st is all but guaranteed most of the times if you have any sort of decent cooler but it is not necessarily true for a IB. Still, it's quite a respectable high OC range for most people.
October 11, 2012 11:20:31 PM

lilotimz said:
"Good" cooler is true but you still hit a ceiling where it starts increasing massively in temperature and it gets trickier.

4.4-4.5 and ~3.8-4.0 for 2nd and 1st is all but guaranteed most of the times if you have any sort of decent cooler but it is not necessarily true for a IB. Still, it's quite a respectable high OC range for most people.


When I overclock my Core i7 930 from it's stock speed of 2.8 GHz to 3.4 GHz, it idles at 55*C in windows desktop.
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October 11, 2012 11:23:43 PM

My 920 is idling at 35C w/ my Cm212+ which is an excellent cooler for $30.

55C is not hard to see when using a stock cooler with poor airflow...
I used to idle 50c during the summers and 45s durnig the winter before i got a cpu cooler upgrade.

Now it idles in the high 30s (on a warm day) and mid 30s on a cold day (today..60F atm). Load doesn't exceed mid 50s to low 60s.

October 12, 2012 6:41:32 AM

lilotimz said:
My 920 is idling at 35C w/ my Cm212+ which is an excellent cooler for $30.

55C is not hard to see when using a stock cooler with poor airflow...
I used to idle 50c during the summers and 45s durnig the winter before i got a cpu cooler upgrade.

Now it idles in the high 30s (on a warm day) and mid 30s on a cold day (today..60F atm). Load doesn't exceed mid 50s to low 60s.


I have the ZALMAN CNPS9900 aftermarket cooler. It said on the box of this thing that it was a high-performance cooler and was tested in various stages of overclock.
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