Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > core i7 versus quad power needs?

core i7 versus quad power needs?

Forum CPU & Components : Power Supplies, PC Cases & Case Mods - core i7 versus quad power needs?

Tom's Hardware: Over 1.4 million members in 6 different countries available to answer all your high-tech questions. Sign up now! Its free!
Ask the community Add a reply
Word :    Username :           
 
doc5   10-28-2008 at 03:46:58 PM

Anyone know the approximate increase in power one might need in going from an intel Q9550 based system to a low to mid level core i7 system?

Just curious- I'm planning to build by years end and am not sure whether I'll be going quad or i7, but just wonder the increase in PSU I might need.

Thanks,
Quinn

Add a reply
Sponsored Links
Register or log in to remove.
modtech   10-28-2008 at 03:53:46 PM
Show message
sarwar_r87   10-28-2008 at 04:06:46 PM
- 0 +

performance on single thread apps should be the same to plain eye, however, multi thread apps will benifit from the extra threads.......and the power requirement will increase quite a bit


Message edited by sarwar_r87 on 10-28-2008 at 04:09:55 PM
------------------------------ x2 5600+@2.8; 2GB RAM 800Mhz; xfx 9600GT xt; 320GB HDD; 420W thermaltake PSU
 Reply to sarwar_r87
bydesign   10-28-2008 at 04:28:07 PM
- 0 +

i7 will use less power not more.

Reply to bydesign
doc5   10-28-2008 at 05:02:10 PM
- -2 +

Hmm... I'm not sure this was a dumb question.
First, I hadn't seen TDP values. I have since found answers through goggling :)

Secondly, We've already seen two opposite answers.

Thanks,
Quinn


Message edited by doc5 on 10-28-2008 at 05:07:54 PM
Reply to doc5
col-p-todd   10-28-2008 at 05:30:12 PM
- 0 +

I've seen that the TDP for all 3x i7 cpu's are 130W. So it just might use more power. because a 9550 has been rated at 95W TDP. But these TDP values should be taken with a grain of salt. If i,m not mistaken it just means that the max Watt the CPU could pull.

Reply to col-p-todd
modtech   10-28-2008 at 07:22:19 PM
- 0 +

It makes perfect sense to me. The core i7s are fitting into a thermal envelope that has a +35w greater roof.

Reply to modtech
invisik   10-29-2008 at 02:56:06 AM
- 0 +

it should use the same amount of power of current quad core out or slightly more. just my assumption.

------------------------------ intel core 2 quad q6600 @3.2ghz msi p6n diamond (X-FI Extreme sound) 6gig of OCZ+CoRSAIR oc 900mhz Nvidia gtx 260 sli @ 730/1465/1250
Lite-On Blue-ray Western Digital 7200rpm 500gb Antec 500 Earthwatt Window vista 64-bit
Reply to invisik
rubix_1011   10-30-2008 at 02:47:21 PM
- 0 +

modtech wrote :

You've seen the TDP values. That's a dumb question to ask.




Not exactly a 'people' person, are you? Most responses you give take shots at everyone. The entire point of a forum is to ask and receive help...not to attack someone because they don't know the answer. If you are going to be that negative, just don't respond. Your inferiority complex doesn't need to take root in the forums, here.

Message quoted 1 times
------------------------------ The Pastafarian belief of heaven stresses that it contains beer volcanoes and a stripper factory. Hell is oddly similar, except that the beer is stale, and the strippers have VD
 Reply to rubix_1011
modtech   11-08-2008 at 04:58:06 PM
- -1 +

rubix_1011 wrote :

Not exactly a 'people' person, are you? Most responses you give take shots at everyone. The entire point of a forum is to ask and receive help...not to attack someone because they don't know the answer. If you are going to be that negative, just don't respond. Your inferiority complex doesn't need to take root in the forums, here.



You're just a simple minded retard aren't you? Sure am glad I'm not you cause that must suck. Why don't you dump your pointless pathetic bleating on someone else. Definitely seek psychiatric help, you need it more than anyone.

Reply to modtech
invisik   11-09-2008 at 01:03:27 AM
- 0 +

modtech wrote :

You've seen the TDP values. That's a dumb question to ask.




To be fair the question asked was dumb and your response was even dumber.

Reply to invisik
rubix_1011   11-10-2008 at 07:41:18 PM
- 1 +

Quote :

You're just a simple minded retard aren't you? Sure am glad I'm not you cause that must suck. Why don't you dump your pointless pathetic bleating on someone else. Definitely seek psychiatric help, you need it more than anyone.



Really? Wow...that ranks at about 3rd grade playground level. Impress me with something other than calling someone stupid or telling me I'm a retard. Pretty simplistic life you lead...'making fun' of other people. It's quite the irony that you tell me I need help, yet you are the narcissistic fool.


Message edited by rubix_1011 on 11-10-2008 at 07:56:26 PM
------------------------------ The Pastafarian belief of heaven stresses that it contains beer volcanoes and a stripper factory. Hell is oddly similar, except that the beer is stale, and the strippers have VD
 Reply to rubix_1011
Kari   11-10-2008 at 07:52:38 PM
- -1 +

hmm I believe you misspelled the word narcissistic :P

Reply to Kari
rubix_1011   11-10-2008 at 07:56:31 PM
- 0 +

Looks like I forgot an 's' in there...

------------------------------ The Pastafarian belief of heaven stresses that it contains beer volcanoes and a stripper factory. Hell is oddly similar, except that the beer is stale, and the strippers have VD
 Reply to rubix_1011
chookman   11-10-2008 at 11:58:04 PM
- 0 +

I dont see it as a stupid question... The 130w is a max TDP at which the CPU will start to throttle at (assuming Overvolt Protection is on) Considering all 3 i7's are at 130TDP you would also have to assume that the 920 and 940 will use less than the 965 due to their lower clock speed.

From reviews ive seen the 965 is around the same as the current EE Cpus from intel (QX9770) the 920 and 940 should be around the same as the current Q9300-9400 series.

Its also to be noted the the i7's will deliever MUCH better idle power usage than the current Quads due to the arch improvement and addition of the on-die power monitor. From what ive seen when idle they are extremely effecient.

------------------------------ "This thread made me strap on my lolerskates and head for my roflcopter."
 Reply to chookman
RAND0M1ZER   11-21-2008 at 04:47:07 AM
- 0 +

Actually, I am pretty sure the power consumption of your overall system..This is because although the TDP is higher intel has added some stuff into the cpu, the memory controller for example is now intergrated into the processor.

Either way the power supply you are using for your current rig will easily run a core i7 rig.

Reply to RAND0M1ZER
Ask the community Add a reply
Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > core i7 versus quad power needs?
Go to:

There are 1059 identified and unidentified users. To see the list of identified users, Click here.

Forum map
Bestofmedia Forum ©
2000-2009 Bestofmedia Group
Page generated in 0.402 seconds
Please mind

You are about to answer a thread that has been inactive for more than 6 months.
If you still wish to proceed, please ensure that your posting is original and does not duplicate or overlap any prior responses to this thread.

Add a reply Cancel
Sponsored links
  • Ask the community now
  • Publish
Ad
They won a badge
Join us in greeting them
How do I win badges?