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Old 16-10-2006, 08:10 PM   #1
eva2000
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Cool Scythe Infinity stock 46.5cfm vs TT 81cfm vs Delta 190cfm results

I decided to use my power hungry 955XE cpu rated at 130 watts for testing some power supplies I have been sent. But since, i'm planning to take apart my water cooling setup for a clean etc, I will go back to air cooling for cpu for the time being.

I'm going to use a Scythe Infinity heatsink which arrived today. I'll play with 4 fan configurations

1. Stock 120x25mm 46.5cfm 0.13amp fan
2. Thermaltake 120x25mm 81cfm 0.40amp fan http://www.thermaltake.com/product/D...2003/a2003.asp
3. Delta 120x38mm 190cfm 3.0amp fan - http://i4memory.com/showthread.php?p=50521#post50521
4. 2x Thermaltake 120x25mm 81cfm fan push-pull config http://i4memory.com/showthread.php?p=50530#post50530

Notes:
I noticed in most pics and reviews the fan is positioned dead center of the fins with part of the fan blowing up the top of heatsink as in pic at http://www.scythe-usa.com/product/cp...1000-main.html

I have the fan so it's situated with part of fan blowing at bottom of heatsink so it cools mosfets too http://i4memory.com/reviewimages/coo...rmaltake81cfm/





System:
  • Pentium D 3.46Ghz 955XE Extreme Edition (130W)
  • Scythe Infinity with stock 46cfm fan (change to 120x38mm Delta 190cfm 3AMP fan later)
  • Intel D975XBX Bad Axe rev304 1334 bios
  • 128MB Gainward FX5200 PCI card (initial tests - change to higher end cards later)
  • 3x 320GB Seagate 7200.10 SATAII hdds
  • Pioneer DVD-RW Burner
  • 1.44MB FDD
  • 850W special psu
Just doing initial temp tests since the Scythe Infinity only arrived today and first time using this heatsink.



955XE @13x266fsb = 3460Mhz stock speeds at 1.275v bios vcore (1.23v bios)


Scythe Infinity with stock 120x25mm 46.5cfm 0.13AMP fan

Bios value => Intel Desktop Utilities value (windows)
CPU idle = 55-57C => 45-47C
System Zone 1 idle = 34C => 35C
System Zone 2 idle = 31C => 32C

Intel Desktop Utilities value (windows)
CPU load = 63-64C
System Zone 1 load = 41C
System Zone 2 load = 34C

Room temp = 27.8C

Idle


Load (click image for larger image)


Scythe Infinity with 120x25mm Thermaltake 81cfm 0.40AMP fan

Bios value => Intel Desktop Utilities value (windows)
CPU idle = 53-54C => 42C
System Zone 1 idle = 33C => 33C
System Zone 2 idle = 31C => 31C

Intel Desktop Utilities value (windows)
CPU load = 57-58C
System Zone 1 load = 36-37C
System Zone 2 load = 32-33C

Room temp = 26.8C

Idle


Load (click image for larger image)


For those Core 2 Duo folks wondering, a 955XE @ stock 3460Mhz at 1.275v rated at 130 watts theorectically has more heat output (in terms of wattage) than a Core 2 Duo E6600 @3809Mhz at 1.511v!


=========
955XE @15x266fsb = 4000Mhz stock speeds at 1.475v bios vcore (1.418v bios)


Scythe Infinity with 120x25mm Thermaltake 81cfm 0.40AMP fan

Bios value => Intel Desktop Utilities value (windows)
CPU idle = 71C => 49C
System Zone 1 idle = 38C => 33C
System Zone 2 idle = 32C => 31C

Intel Desktop Utilities value (windows)
CPU load = 77-79C
System Zone 1 load = 41-42C
System Zone 2 load = 32-34C

Room temp = 25.6C

Idle


Load (click image for larger image)


955XE @4000Mhz at 1.418v = ~200 watts

vs

E6700 @4605Mhz at 1.66v = ~197 watts

955XE @16x266fsb = 4266Mhz stock speeds at 1.5v bios vcore (1.441v bios)


Scythe Infinity with 120x25mm Thermaltake 81cfm 0.40AMP fan

Bios value => Intel Desktop Utilities value (windows)
CPU idle = 74C => 51C
System Zone 1 idle = 39C => 34C
System Zone 2 idle = 31C => 31C

Intel Desktop Utilities value (windows)
CPU load = 79-80C
System Zone 1 load = 41-42C
System Zone 2 load = 32-33C

Room temp = 25.4C

Idle


Load (click image for larger image)


955XE @4266Mhz at 1.441v = ~220 watts


===================================================
Time to test 120x38mm Delta 190cfm 3.0amp fan. Mounting done by trusty zip ties as pictured here.



Scythe Infinity with 120x38mm Delta 190cfm 3.0amp fan


Bios value => Intel Desktop Utilities value (windows)
CPU idle = 50-52C => 41C
System Zone 1 idle = 33-35C => 34C
System Zone 2 idle = 29-31C => 31C

Intel Desktop Utilities value (windows)
CPU load = 55-56C
System Zone 1 load = 37-38C
System Zone 2 load = 32-33C

Room temp = 26.8C

Idle


Load (click image for larger image)


955XE @ stock 3466Mhz at 1.275v quad stressprime load compare between

Scythe stock 120x25mm 46.5cfm fan
vs
Thermaltake 120x25mm 81cfm fan
vs
Delta 120x38mm 190cfm fan




I believe the system temps are higher on Delta due to the fan being more focused air flow being in the centre versus the TT 81cfm fan having a more even air flow which would help the mosfets under the Scythe Infinity heatsink.


============================================================ ==
955XE @16x266fsb = 4266Mhz at 1.5v bios vcore (1.441v bios)

Scythe Infinity with 120x38mm Delta 190cfm 3.0amp fan

Bios value => Intel Desktop Utilities value (windows)
CPU idle = 72C => 51C
System Zone 1 idle = 39C => 36C
System Zone 2 idle = 33C => 33C

Intel Desktop Utilities value (windows)
CPU load = 78-79C
System Zone 1 load = 45-46C
System Zone 2 load = 35-36C

Room temp = 26.8C

Idle


Load (click image for larger image)


955XE @16x266fsb = 4266Mhz at 1.5v bios vcore (1.441v bios)


Thermaltake 120x25mm 81cfm fan
vs
Delta 120x38mm 190cfm fan



Last edited by eva2000; 19-10-2006 at 02:11 AM.
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Old 16-10-2006, 08:36 PM   #2
ArcTan
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

do you have any aircoolers to compare to? or even your hydrocool?
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Old 16-10-2006, 09:07 PM   #3
eva2000
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

Did try Thermaltake Big Typhoon with 120x38mm Delta 190cfm fan but kept getting 88C load temps versus Infinity stock fan = 64C or TT 81cfm fan = 58C load. Must be bad Typhoon mount i guess. But I like this Infinity better so far since it's quiet too

Not a direct compare 955XE on AW8-Max http://i4memory.com/showthread.php?t=2540.
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Old 16-10-2006, 09:10 PM   #4
ArcTan
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

By eva2000
Did try Thermaltake Big Typhoon with 120x38mm Delta 190cfm fan but kept getting 88C load temps versus Infinity stock fan = 64C or TT 81cfm fan = 58C load. Must be bad Typhoon mount i guess. But I like this Infinity better so far since it's quiet too

Not a direct compare 955XE on AW8-Max http://i4memory.com/showthread.php?t=2540.
problem with bt mount is that it's hard to know how tight to screw it. That's why I got a scythe ninja sitting here waiting until I can be bothered taking it out and putting the ninja in. Was gonna get the infinity but found the ninja locally
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Old 16-10-2006, 09:25 PM   #5
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

these are good coolers

where'd you get one of these from
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Old 16-10-2006, 09:27 PM   #6
eva2000
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

Scythe Infinity http://www.pccasegear.com.au/prod4116.htm
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Old 16-10-2006, 09:31 PM   #7
dinos22
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

damn good price too

anyone want a lapped TTBT hehehehe
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Old 16-10-2006, 10:01 PM   #8
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Re: Scythe Infinity stock 46.5cfm fan vs TT 81cfm fan results

By dinos22
these are good coolers

where'd you get one of these from
xcom in capitol square has the ninja plus but not the infinity
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