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Change i5 to i7 [Done] - Page 2

post #11 of 19
just wait for haswell. imo, your oc is not dependent on your rams's voltage requirement.
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post #12 of 19
I like my i7, an i5 would make me feel like a redneck.
 
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post #13 of 19
Thread Starter 
Quote:
Originally Posted by tpi2007 View Post

From what I've read, an i7-3770K will overclock with decent voltages and temperatures up to 4.5 Ghz, which equates performance-wise more or less to an i7-2600K at 4.7 Ghz. Overclocking higher than 4.5 Ghz can pose a problem though. You might get 4.6 Ghz just fine or not. More than that is an even bigger lottery.
If you are happy with the equivalent to a 200 Mhz clockspeed bonus compared to your i5-2500K in gaming, with the added performance from having 8 threads for folding, among other tasks that take advantage of more than 4 threads, then go for it, but don't expect to overclock it much higher than 4.5 Ghz with decent temperatures and voltages, which is especially important when you leave the CPU crunching data at 100% load for hours.

Right now, my 2500k CAN'T pass 4.5 even with 1.40+ vcore because (I suspect) my ram is not good with 1.65V and I try to put 1.2V in VCCIO to stabilize it at 4.6 and it crash during FAH. Maybe it is just my CPU that don't want more than 4.5, don't know.

If I got the 3770k at 4.5, it will be alot faster in FAH and little more in gaming.... but a 1080p with a 6950, I will not see a difference since I max out everything (except maybe the AA) I play... but I don't play BF3 or Metro.

Since I wasn'r lucky with my i5, I think I will try the 3770k lottery and hope I got a golden chip rolleyes.gif but... I'm never really lucky in everything I do. I always need to work hard to get the little that my friend / everyone else get (One day, it will return... I hope biggrin.gif)

Thanks all, really appreciated

Lee17
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post #14 of 19
Thread Starter 
Quote:
Originally Posted by dklic6 View Post

I went from a 2500k to a 2600k. It was worth the folding points, but that was about it. I sold my 2500k on ebay and found a used 2600k here for less so I actually made money on the deal. I can see a small difference when running VMs
Quote:
Originally Posted by TinDaDragon View Post

If you fold, then a jump from an i5 to an i7 is night and day. Gaming, eh, not so much

No doubt on that
Quote:
Originally Posted by rdr09 View Post

just wait for haswell. imo, your oc is not dependent on your rams's voltage requirement.

Haswell = 1150
Sandy/Ivy = 1155

Not the same socket, don't want to change motherboard and I get an occasion to upgrade for "cheap".

Edit : sorry double post :S
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post #15 of 19
Quote:
Originally Posted by Lee17 View Post


Right now, my 2500k CAN'T pass 4.5 even with 1.40+ vcore because (I suspect) my ram is not good with 1.65V and I try to put 1.2V in VCCIO to stabilize it at 4.6 and it crash during FAH. Maybe it is just my CPU that don't want more than 4.5, don't know.

If I got the 3770k at 4.5, it will be alot faster in FAH and little more in gaming.... but a 1080p with a 6950, I will not see a difference since I max out everything (except maybe the AA) I play... but I don't play BF3 or Metro.

Since I wasn'r lucky with my i5, I think I will try the 3770k lottery and hope I got a golden chip rolleyes.gif but... I'm never really lucky in everything I do. I always need to work hard to get the little that my friend / everyone else get (One day, it will return... I hope biggrin.gif)

Thanks all, really appreciated

Lee17

You're welcome!

Yes, 1.65v RAM is really for X58, that was when high performance RAM couldn't be made with the JEDEC standard 1.5v, nowadays with newer manufacturing processes 1.5v is the norm even for high performance RAM. SB is supposed to work with 1.65v RAM, but it's not the ideal scenario.

As to FAH, the 3770K, with its 8 threads and the added bonus of extra IPC will surely make a big difference.

As to gaming, the i7-3770K will surely not give you much benefit at 1080p with a Radeon HD 6950, but it is a good investment to future proof if you eventually want to buy an HD 8000 or HD 9000 series card, and by then many more games will surely take advantage of more than 4 threads.

Also, with the new consoles being released next year, with more powerful CPUs than the current generation, it is very much possible that games for the PC will also have much better A.I., which will need more CPU power, so the i7 will definitely be the right CPU to have.

Here is Doug Lombardi from Valve in 2007 talking about that with quad cores and beyond things get interesting when it comes to A.I. (fast-froward to 2:55):



Good luck with the i7-3770K!

Cheers!
Edited by tpi2007 - 10/11/12 at 8:12pm
 
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post #16 of 19
Thread Starter 
Quote:
Originally Posted by tpi2007 View Post

You're welcome!
Yes, 1.65v RAM is really for X58, that was when high performance RAM couldn't be made with the JEDEC standard 1.5v, nowadays with newer manufacturing processes 1.5v is the norm even for high performance RAM. SB is supposed to work with 1.65v RAM, but it's not the ideal scenario.
As to FAH, the 3770K, with its 8 threads and the added bonus of extra IPC will surely make a big difference.
As to gaming, the i7-3770K will surely not give you much benefit at 1080p with a Radeon HD 6950, but it is a good investment to future proof if you eventually want to buy an HD 8000 or HD 9000 series card, and by then many more games will surely take advantage of more than 4 threads.
Also, with the new consoles being released next year, with more powerful CPUs than the current generation, it is very much possible that games for the PC will also have much better A.I., which will need more CPU power, so the i7 will definitely be the right CPU to have.
Here is Doug Lombardi from Valve in 2007 talking about that with quad cores and beyond things get interesting when it comes to A.I. (fast-froward to 2:55):
Good luck with the i7-3770K!
Cheers!

Thanks, I will take the 3770k like I wanted to do (first idea is always the better one, the other are just to confirm how your first idea was good tongue.gif)

I will look with my friend and order his rig as soon as possible since I want to build it between the 22 and 26 october and with 1 to 2 week shipping, it will be on the edge. Also, I need to don't forget to upgrade my credit card llimit....

Thanks again, Lee17
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post #17 of 19
op, just make sure you have the right bios on your mobo before selling your sb chip. and like i said earlier, your ram having a default voltage of 1.65v has no effect on the amount of oc you're getting. my rams for my amd and intel rigs came off the same batch from my x58 platform . . .



btw, i do know that haswell will use a different platform.
Edited by rdr09 - 10/12/12 at 3:42am
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post #18 of 19
Thread Starter 
Yeah, I know that I need to update my bios. Right now, I have the latest bios before the ivy bridge support. What I'm thinking about my ram it is that the IMC on my 2500k is weak and when I apply to much voltage, it become unstable because I can boot at 1.28 Vcore at 4.5 and do a quick LinX but it is no near of the stability. I try upping my VCCIO up to the limit (1.200) and no change. Feel more stable than before because I was 100% stable at 4.5 before, it crash after like 300h of folding for no reason... but know it look full stable, 2 week, no bsod 24/7.

Maybe my ram is having issue but I really don't know.... maybe my 2500k just can't go over 4.5.

Anyway, I will get some samsung wonder ram (maybe go for 4 stick / 16gb because I want to upgrade only once, save on shipping)

Thanks for everything, Lee17
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post #19 of 19
Thread Starter 
I receive everything an install my new i7. It take a while but all is working fine now.

Here a quick screenshot at stock speed of my i7-3770k :


I think temp are fine since the vcore is on auto a around 1.2v

Thanks all
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