KingDazza
New member
Hi,
Just thought I'd post some strange findings on my recent Sandybridge to Ivybridge upgrade.
Due to a bad/faulty x79 motherboard, which caused me allot of hassle. I swapped over to a z77 mobo pretty much on the mobo/chipsets day of release i.e prior to Ivybridge itself coming out. I picked up an i5 2550k to go with it, thinking that I'd then swap it out for an Ivybridge when they hit later on.
In the end I ran with the i5 2550k for several weeks. The mobo is a ASRock Fatala1ty Pro, paired with 16Gb G Skill 1600mhz RAM and a GTX580.
Now booting, stability etc has all been brilliant. However what I found was that in a few games I was getting the occasional stutter - almost like a pause you'd expect in an open world game like Oblivion say. Except in MW3 single player this would happen every 15mins or so and Alan Wake it would happen every 5mins or so. I managed to minimise it to a degree in MW3 by disabling speedstep and switching off C state functionality. However when i went to play Alan Wake, the occasional hitching/judder/stutter persisted. Some games like Crysis 2 were fine and never had any probs at all. But on the games where it did happen, it was annoying - even if it is only every few mins and lasts a second or two.
So I then overclocked the 2550k to a prime 95 stable 4.0Ghz and also did a complete fresh install of Windows 7. Still no joy.
As a last attempt, before accepting to just live with it, I upgraded to an i7 3770k. No other changes at all. Same drivers etc. And ALL stutter issues in the effected games has totally gone.
So apart from being happy, am I the only one very surprised that there is this difference between an i5 2550k, even at 4.0Ghz and a stock i7 3770k. I tried the i7 3770k with and without HT and same positive results and also with and without speedstep.
I thought the difference was meant to be negligible between Sandy and Ivy - clearly not for me. In short I'm chuffed to bits and so glad I moved from my Sandybridge to the Ivy.
Just thought I'd post some strange findings on my recent Sandybridge to Ivybridge upgrade.
Due to a bad/faulty x79 motherboard, which caused me allot of hassle. I swapped over to a z77 mobo pretty much on the mobo/chipsets day of release i.e prior to Ivybridge itself coming out. I picked up an i5 2550k to go with it, thinking that I'd then swap it out for an Ivybridge when they hit later on.
In the end I ran with the i5 2550k for several weeks. The mobo is a ASRock Fatala1ty Pro, paired with 16Gb G Skill 1600mhz RAM and a GTX580.
Now booting, stability etc has all been brilliant. However what I found was that in a few games I was getting the occasional stutter - almost like a pause you'd expect in an open world game like Oblivion say. Except in MW3 single player this would happen every 15mins or so and Alan Wake it would happen every 5mins or so. I managed to minimise it to a degree in MW3 by disabling speedstep and switching off C state functionality. However when i went to play Alan Wake, the occasional hitching/judder/stutter persisted. Some games like Crysis 2 were fine and never had any probs at all. But on the games where it did happen, it was annoying - even if it is only every few mins and lasts a second or two.
So I then overclocked the 2550k to a prime 95 stable 4.0Ghz and also did a complete fresh install of Windows 7. Still no joy.
As a last attempt, before accepting to just live with it, I upgraded to an i7 3770k. No other changes at all. Same drivers etc. And ALL stutter issues in the effected games has totally gone.
So apart from being happy, am I the only one very surprised that there is this difference between an i5 2550k, even at 4.0Ghz and a stock i7 3770k. I tried the i7 3770k with and without HT and same positive results and also with and without speedstep.
I thought the difference was meant to be negligible between Sandy and Ivy - clearly not for me. In short I'm chuffed to bits and so glad I moved from my Sandybridge to the Ivy.
