Pentium D 8xx with a stock fan from core2 duo?

Pharmdeity

Member
Oct 14, 1999
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I'm purchasing either a pentium D 805 or pentium D 840. Can I use a stock intel fan that came off a core 2 duo 6300 cpu with either or both of these safely?

I'm assuming the pentium Ds will run hotter than a core2duo 6300, especially the 800 series although the 805 is running on a much slow bus.

Am I OK running the stock intel fan on these?

Thanks
 

lyssword

Diamond Member
Dec 15, 2005
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Omg why would you purchase pent D 805? But yea I think it will be fine if you don't overclock that pent D at all.. Cause that 6300 heat sink has some copper on it. Just make sure you have thermal paste.
 

myocardia

Diamond Member
Jun 21, 2003
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As far as I know, all of those processors come with the same stock heatsink/fan.
 

Acidbath31

Junior Member
May 19, 2007
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pharmdeity,
well, you can use it, but those chips use 40% more wattage than a C2D so your definetly going to generate more heat. it will probally work but i wouldnt try overclocking them cause if you put a load on them their really going to be running hot!!! just make sure you invest in a really good thermal paste so you get maximum heat transfer to that fan. save some bucks ana upgrade that hsf as soon as you can. good luck and let us know how it goes. ------------------------------------ ACID -------------------------------
 

Noema

Platinum Member
Feb 15, 2005
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Originally posted by: myocardia
As far as I know, all of those processors come with the same stock heatsink/fan.

I'm pretty sure that's the case, not only for Pentium Ds but also for all later P4 models.

Last week I setup both a C2D E6400 and a P4 Prescott (don't ask) for a friend and the heatsink/fan were identical.
 

Pharmdeity

Member
Oct 14, 1999
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Thanks for the info. I'm getting the cpu cheap and putting it on an asus p5b-vm that's still using the 865g chipset so I won't be overclocking too much. I'll be using some arctic silver on the combo. Been overclockin' since the celeron 300 came out.

Good times.

Thanks again and I'll let you all know how it goes.
 

stevty2889

Diamond Member
Dec 13, 2003
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Originally posted by: Pharmdeity
Thanks for the info. I'm getting the cpu cheap and putting it on an asus p5b-vm that's still using the 865g chipset so I won't be overclocking too much. I'll be using some arctic silver on the combo. Been overclockin' since the celeron 300 came out.

Good times.

Thanks again and I'll let you all know how it goes.

Stock heatsink will be ok, as long as you are well ventelated. Don't expect to be able to OC at ALL on the stock heatsink. My 830 throttled on the stock heatsink at stock speeds.
 

zsdersw

Lifer
Oct 29, 2003
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The only difference I've seen between the Pentium D heatsink and the heatsink for Core 2 Duo is the amount and shape of the thermal paste on the bottom. Core 2 Duo comes with three little strips of paste while the Pentium D has a full square of paste.
 

Cheex

Diamond Member
Jul 18, 2006
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Just to add....the difference between the Pentium D HSF is that it is all aluminium...The Core 2 Duo HSF has a copper base.
 

zsdersw

Lifer
Oct 29, 2003
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Actually, that's not true. I have a heatsink from a Pentium D 805 that clearly has a copper base.
 

WoodButcher

Platinum Member
Mar 10, 2001
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Originally posted by: zsdersw
The only difference I've seen between the Pentium D heatsink and the heatsink for Core 2 Duo is the amount and shape of the thermal paste on the bottom. Core 2 Duo comes with three little strips of paste while the Pentium D has a full square of paste.

:thumbsup:
pentD, pent4, core2, in fact all 775 stock intel heatsinks are alum fin / copper core sinks.
 

zsdersw

Lifer
Oct 29, 2003
10,505
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I've seen slight variations in the size of the fins on the fan; the Celeron D's have slightly smaller fins on the fan (and an all-aluminum heatsink), for example.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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The performance difference is so much (2-3x the speed) that I would get a 4300 before I would ever think of any Pentium D. You will be sorry with that purchase.
 

WoodButcher

Platinum Member
Mar 10, 2001
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Originally posted by: zsdersw
I've seen slight variations in the size of the fins on the fan; the Celeron D's have slightly smaller fins on the fan (and an all-aluminum heatsink), for example.

I stand corrected, thanks, I didn't know that the celery came in a 775 socket. [shows how new I am!]


edit- btw, I just got 2 840EE's to play with, granted they don't come close to my conroe but they are fast @ 3.8.
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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Originally posted by: WoodButcher
Originally posted by: zsdersw
I've seen slight variations in the size of the fins on the fan; the Celeron D's have slightly smaller fins on the fan (and an all-aluminum heatsink), for example.

I stand corrected, thanks, I didn't know that the celery came in a 775 socket. [shows how new I am!]


edit- btw, I just got 2 840EE's to play with, granted they don't come close to my conroe but they are fast @ 3.8.

A C2D@3.5 (which isn't too hard) is still 3x faster than an 840@3.8 .....

Please forget the Pentium D
 

zsdersw

Lifer
Oct 29, 2003
10,505
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Originally posted by: WoodButcher
I stand corrected, thanks, I didn't know that the celery came in a 775 socket. [shows how new I am!]

Nothing you said was in need of correction. I was just adding another bit of information. :)

 

stevty2889

Diamond Member
Dec 13, 2003
7,036
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Originally posted by: Markfw900
Originally posted by: WoodButcher
Originally posted by: zsdersw
I've seen slight variations in the size of the fins on the fan; the Celeron D's have slightly smaller fins on the fan (and an all-aluminum heatsink), for example.

I stand corrected, thanks, I didn't know that the celery came in a 775 socket. [shows how new I am!]


edit- btw, I just got 2 840EE's to play with, granted they don't come close to my conroe but they are fast @ 3.8.

A C2D@3.5 (which isn't too hard) is still 3x faster than an 840@3.8 .....

Please forget the Pentium D

You do realize the guy already has a C2D and he's just trying to make the best of an older motherboard he already has, that doesn't support either C2D or the 9xx series right?

 

WoodButcher

Platinum Member
Mar 10, 2001
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Originally posted by: stevty2889

You do realize the guy already has a C2D and he's just trying to make the best of an older motherboard he already has, that doesn't support either C2D or the 9xx series right?
That is the same reason I got the 840's I got them on ebay for $100 each, remember last year they were $1200? Well I also have a board or two laying around.
As to their speed? super PI 1M in 39 seconds on the 840E, my E6600 @3.4 did 14sec so for that example Mark is absolutly correct.
The thing is I don't think Aunt Fannie will ever notice....
Most people haven't got the need for speed as we fools here on the forums. I don't need a 6600 overclocked with screaming memory and the OC on the 7950 or the watercooling. I don't game or do video encoding, I don't fold I have no real use for a fast PC,,, I just like to smoke chips..........
 

Markfw

Moderator Emeritus, Elite Member
May 16, 2002
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I didn't see anywhere that he had an older mobo that wouldn't support C2D. If he does, I would still find another alternative. If they don't need the speed, get a celeron.
 

stevty2889

Diamond Member
Dec 13, 2003
7,036
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Originally posted by: Markfw900
I didn't see anywhere that he had an older mobo that wouldn't support C2D. If he does, I would still find another alternative. If they don't need the speed, get a celeron.

You already know what I think of pentium-d's and that I would never recomend one if there was a better choice, the only reason I still have 2 of them around, is because it's the best I can do with those 2 motheboards. One of them(805@3.6) is used for browsing the internet while I work on the X2 and Q6600, and the other one is just being used for a stand(920@3.2.
 

Pharmdeity

Member
Oct 14, 1999
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I won't get into the debate over which chip is better. Just wanted to give an update. The stock fan worked fine with the D 805. I ran a core 2 duo 6300 on the same board with temps of around 45 running prime95. With the D805 the temps ran about 5 degrees warmer on prime95 at stock speed. I've given the computer to one of my three kids in college where I hope it will be used mainly for office use/browsing and less for gaming.

Send prozac.

Thanks again for all the help.
 

hans007

Lifer
Feb 1, 2000
20,212
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the core 2 e4000 and e6000 and pentium D and higher end p4s have the same heatsink, the one witht he copper bottom.

the non copper all aluminum one comes with celeron Ds and also the new pentium e2000s