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[AnandTech] Battle of The CPU Stock Coolers! - Page 2

post #11 of 18
Quote:
Originally Posted by Anandtech 
Once again, AMD’s Wraith goes directly head to head with Cooler Master’s EVO 212, only this time the Wraith also compares in terms of acoustic comfort. There is virtually no difference between the two coolers in terms of thermal performance and both are equally silent with their fan input voltage reduced down to 7 Volts.

Again, what's silent in one environment can be annoyingly noisy in another place. At nearly 2k RPM (7V) that's going to be another hairdryer experience with the Wraith for many users. Should be more careful with "Silent".
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post #12 of 18
Quote:
Originally Posted by Smanci View Post

Again, what's silent in one environment can be annoyingly noisy in another place. At nearly 2k RPM (7V) that's going to be another hairdryer experience with the Wraith for many users. Should be more careful with "Silent".

not quite, a 90mm fan at 2K RPM will be quieter than a 120mm fan at 2K RPM.
the difference between those two is the fanblade's peak velocity.
and as one would expect, the faster the blade cuts through the air, the noisier it gets.

(90mm fan)
90mm * Pi = 282.74mm circumference
282.74mm * 2000RPM = 565,480.00 mm per minute = 9,424.67 mm per second = 9.42 meters per second
282.74mm * 3000RPM = 848,200.00 mm per minute = 14,137.00 mm per second = 14.14 meters per second

(120mm fan)
120mm * Pi = 376.99mm circumference
376.99mm * 2000RPM = 763,980.00 mm per minute = 12,566.33 mm per second = 12.57 meters per second
376.99mm * 3000RPM = 1,130,970.00 mm per minute = 18,849.50 mm per second = 18.85 meters per second
Edited by epic1337 - 7/25/16 at 4:16am
post #13 of 18
Quote:
Originally Posted by epic1337 View Post

not quite, a 90mm fan at 2K RPM will be quieter than a 120mm fan at 2K RPM.
the difference between those two is the fanblade's peak velocity.

(90mm fan)
90mm * Pi = 282.74mm circumference
282.74mm * 2000RPM = 565,480.00 mm per minute = 9,424.67 mm per second = 9.42 meters per second

(120mm fan)
120mm * Pi = 376.99mm circumference
376.99mm * 2000RPM = 763,980.00 mm per minute = 12,566.33 mm per second = 12.57 meters per second

I know. That's why I only said Wraith can be considered noisy at that speed smile.gif
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post #14 of 18
OT: I watched a AMD Wraith cooler sell on fleabay for almost $60. I was seriously shocked. I really hope that person bought it for a AMD themed build or something.
post #15 of 18
Quote:
Originally Posted by Bryst View Post

OT: I watched a AMD Wraith cooler sell on fleabay for almost $60. I was seriously shocked. I really hope that person bought it for a AMD themed build or something.
This is a low profile cooler, it has much benefit to vrm cooling whereas tower coolers block the airflow over this vital compartment.
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post #16 of 18
+1 For the AMD Wraith cooler. You buy a 7890K and you can OC it right out of the box, play with the iGPU and the NB, great fun for somone who wants to start learning how to overclock on a cheap and up to date platform.
post #17 of 18
Would be nice if the stock cooler was optional on all CPUs and you save a small percentage by not getting one.
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post #18 of 18
Quote:
Originally Posted by Bryst View Post

OT: I watched a AMD Wraith cooler sell on fleabay for almost $60. I was seriously shocked. I really hope that person bought it for a AMD themed build or something.

kookoo.gif

Its almost fascinating how stupid some people can be. You can buy an 880K with a Wraith cooler for $80, then sell the 880K for $60-75.
Quote:
Originally Posted by Horsemama1956 View Post

Would be nice if the stock cooler was optional on all CPUs and you save a small percentage by not getting one.

Most vendors offer a tray version that (sometimes) is slightly cheaper.
Edited by Gilles3000 - 7/25/16 at 2:07pm
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