Which produces more heat???

Mycobacteria · 03-15-07, 07:01 PM

I know you can lower the multi so:

355x9 = 3.2

400x8 = 3.2

457x7 = 3.2

533x6 = 3.2

(edit: we will presume they are all on say 1.4v)

Do they all produce the same amout of heat even though they are all clocked at 3.2? My guess is the 355x9 produces the least amout of heat.... but its just a guess.

mikep7779 · 03-15-07, 07:53 PM

Im not 100% on this but id say that most of the heat is from vcore.

imposter · 03-15-07, 08:14 PM

They should be about the same if they are the same voltage, but if i had to say anything the 533x6 would be the lowest if you can even set that in the bios. Since that puts the least stress on the cpu. and more on the motherboard. ( i could be totally wrong) but if they are all stable i suggest doing the 355x9 because that puts less stress on motherboard and ram.

Mycobacteria · 03-15-07, 08:34 PM

I would "presume" that the 9x multi would emit the least amout of heat, because the FSB is so much lower, and this would put less stress on the CPU??

Tyranos · 03-15-07, 09:43 PM

Unless I'm missing something, changing the multiplier doesn't affect the heat output of the cpu- only the voltage will do that. The multiplier won't change the amount of voltage, or the amount of resistance against voltage within the cpu itself. The fsb on the other hand brings the northbridge and memory in to play. Those higher fsb's will require more voltage thus raising overall system temperatures.

JCLW · 03-15-07, 10:13 PM

Yes, the CPU heat output would remain the same.

The Northbirdge, however, would get hotter at higher FSB speeds.

Evilsizer · 03-15-07, 10:21 PM

JCLW is right.....as well though C2D's thermal wattage doesnt change all that much when appling more volts. the thermal wattage is more effected by the cpu speed.

inkfx · 03-15-07, 10:51 PM

They should all be the same. Since the clock speed nor vcore is increasing there shouldn't be an increase in heat to the processor.

ZL1 · 03-16-07, 09:55 AM

Quote:

Originally Posted by JCLW

Yes, the CPU heat output would remain the same.

The Northbirdge, however, would get hotter at higher FSB speeds.

exactly, but it should be worth it

D

i686 · 03-16-07, 11:42 AM

hi'
should be the one with a 9 mutiplier, as some said think about the NB ... at 533fsb ... 799mhz, a bit

about heat ..
did you test them all?
coz I can tell you already that x 8 is hotter than x 9

not much 2°c ... but cooler with 9x356 than 8x400

i686

imposter · 03-16-07, 12:41 PM

why not just go 533x9

if you have the cooling it should be stable Hahahah.

Evilsizer · 03-16-07, 04:36 PM

Quote:

Originally Posted by imposter

why not just go 533x9

if you have the cooling it should be stable Hahahah.

let me sprinkly my crack dust on my e4300 and see if it works.........

yep sure is high!

Cjwinnit · 03-19-07, 02:40 AM

It's just conditional on the actual clock speed and the Vcore. Higher bus speed will mean the northbridge will kick out more power..

03-15-07, 07:01 PM	Thread Starter #1
Mycobacteria Member Join Date: Dec 2006	Which produces more heat??? I know you can lower the multi so: 355x9 = 3.2 400x8 = 3.2 457x7 = 3.2 533x6 = 3.2 (edit: we will presume they are all on say 1.4v) Do they all produce the same amout of heat even though they are all clocked at 3.2? My guess is the 355x9 produces the least amout of heat.... but its just a guess. Last edited by Mycobacteria; 03-15-07 at 08:31 PM.
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03-15-07, 07:53 PM	#2
mikep7779 Join Date: Mar 2005	Im not 100% on this but id say that most of the heat is from vcore. __________________ Aim :: Mikep7779 If you need me you can reach me there. ---------FOLDING FOR TEAM 32 UNDER MIKEP7779--------- Antec P180B // Conroe Q6600 (lapped) / Ultra-120 eXtreme (lapped) //Asus P5W-DH // EVGA 260 (216) // 4GB OCZ Platinum REV 2 // 2 74gb Raptors in RAID 0 // Soundblaster Xtreemmusic // Audio Technica a900 OCZ GameXStream 700w Heatware
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03-15-07, 08:14 PM	#3
imposter Member Join Date: May 2004 Location: Bronx,newyork	They should be about the same if they are the same voltage, but if i had to say anything the 533x6 would be the lowest if you can even set that in the bios. Since that puts the least stress on the cpu. and more on the motherboard. ( i could be totally wrong) but if they are all stable i suggest doing the 355x9 because that puts less stress on motherboard and ram. __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333
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03-15-07, 08:34 PM	Thread Starter #4
Mycobacteria Member Join Date: Dec 2006	I would "presume" that the 9x multi would emit the least amout of heat, because the FSB is so much lower, and this would put less stress on the CPU??
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03-15-07, 09:43 PM	#5
Tyranos Member Join Date: Jul 2001 Location: NM	Unless I'm missing something, changing the multiplier doesn't affect the heat output of the cpu- only the voltage will do that. The multiplier won't change the amount of voltage, or the amount of resistance against voltage within the cpu itself. The fsb on the other hand brings the northbridge and memory in to play. Those higher fsb's will require more voltage thus raising overall system temperatures. __________________ Intel Core i7-2600K, Biostar TP67XE, EVGA GTX 570, 6gb Mushkin Radioactive, Corsair 850TX, Noctua NH-D14, Corsair 800D Heatware
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03-15-07, 10:13 PM	#6
JCLW Member Join Date: Apr 2002 Location: Back in Toronto	Yes, the CPU heat output would remain the same. The Northbirdge, however, would get hotter at higher FSB speeds. __________________ ♫♪ ☺ ♫♪
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03-15-07, 10:21 PM	#7
Evilsizer Senior Fourm Spammer Join Date: Jun 2002 Location: Austin,Texas	JCLW is right.....as well though C2D's thermal wattage doesnt change all that much when appling more volts. the thermal wattage is more effected by the cpu speed. __________________ i7 920@3.6ghz \| Asus R2G \| GK F3-12800CL7D-4GBRH \| Galaxy GTX660 GC \| C650TX \| OCZ VERTEX EX 120GB, VERTEX 250GB i3 330m \| Jetway NF98 \| 2x2gig DDR3-1066 \| pico 120WI i5 2450 \| Jetway JNF9G-QM77 \| 2x2gig DDR3-1333 \| WIP "I Love To Camp!" "Commensing Shock Therapy!" I'm jonnyGURU of jonnyGURU.com and we don't overload PSU's - JonnyGURU HeatWare
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03-15-07, 10:51 PM	#8
inkfx Member Join Date: Oct 2004 Location: San Antonio, Texas	They should all be the same. Since the clock speed nor vcore is increasing there shouldn't be an increase in heat to the processor. __________________ \| Dell Studio17 Laptop \| \| T9300 @ 2.5Ghz - ATI 3850 - 3GB RAM - Seagate 320GB 7200rpm - 17" (1920x1200) Glossy widescreen \| Windows 7 64-bit \|
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03-16-07, 11:42 AM	#10
i686 Member Join Date: May 2005 Location: French Mountains	hi' should be the one with a 9 mutiplier, as some said think about the NB ... at 533fsb ... 799mhz, a bit about heat .. did you test them all? coz I can tell you already that x 8 is hotter than x 9 not much 2°c ... but cooler with 9x356 than 8x400 i686 __________________ PSU : BeQuiet 750w MB : ASUS P8P67-M CPU : Intel Core I5 2500K/@4.0ghz Ram : GSkill 8gb (2x4) 1600 Cl8 Hs : Noctua NF12 - Exhaust fan only SSD :Crucial M4 128go / OCZ VertexII 60GB HDD :2xSpinpoint F1 Samsung Video : Nvidia Gforce GTX 570 Monitor : Viewsonic 27"
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03-16-07, 12:41 PM	#11
imposter Member Join Date: May 2004 Location: Bronx,newyork	why not just go 533x9 if you have the cooling it should be stable Hahahah. __________________ HeatWare <--Coretemp Slave tester!!!!--> Have one on the house. "Its prefectly good minus all the bad stuff" -Ben333
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03-19-07, 02:40 AM	#13
Cjwinnit B& Join Date: Jan 2003 Location: France	It's just conditional on the actual clock speed and the Vcore. Higher bus speed will mean the northbridge will kick out more power.. __________________ -= Maths Ninja =- Official Modding Xaser III thread resurrecter. "LIES! THE ONLY THING MORE AWESOME sounding THEN SEVERAL DELTAS AT 60+DB IS THE SCREAMING OF MERE MORTALS AS THEY GET TOO CLOSE!" -freakdiablo
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