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post #101 of 200
Okay,what do you think would perform better?

- 120.1 rad with 120 fan
- 140.1 rad with 120 fan
- 140.1 rad with 140 fan

And I would assume a 10-20% increase for the 140 rad is actually a decrease in performance since it's 36% larger.
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post #102 of 200
Depends on fans doesnt it?
Lets say the 120 and 140 fans preform the same,
120fans on 120/140 rad.. (with shroud) the 140 would win since the air has more material to pass over.
140 on 140rad would be the same due to same performance.
As fare as iw been told, 140's are getting better since last time I checked stats. so 140 on 140 would probably do best, with a chance that it will also be more noisy.

Many cases support ether 2x140 or 3x120..
140*280 vs 120*360, the 120 will win in both performance and noise level.
 
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post #103 of 200
Quote:
Originally Posted by PepeLapiu View Post

Okay, here is my problem with the 140mm rads and fans.

But not so if you move from 120.1 rad and fan to 140.1 rad and fan. You will increase your rad area by 36%, yet you will likely not see more than 10% increase in cooling power, if even that.

I'm interested in what brought you to that conclusion ? If anything, the dead area behind the motor on a 140 as a % of the whole is smaller on a 120, so if anything, I'd expect them to be more efficient.

The 140s putt the whomp on the 120s, taking the top 5 slots and 9 outta the top 11 in the SPCR testinng. Bold ones are 120s

Antec TwoCool 140
Phanteks PH-F140HP/TS
Scythe Kaze Maru 2
Noctua NF-A14 FLX
Noctua NF-A15 PWM
Noiseblocker B12-2
Corsair AF140 Quiet
Noctua NF-P14 FLX
Antec TrueQuiet 140
Scythe Gentle Typhoon 120-12
Bequiet! Silent Wings 2 140
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post #104 of 200
jack, some people just dont believe 140 rad will outperform a 120 rad. they either have been out of the loop too long to know these things or they just dont believe it. i had a guy try to tell me that a 2x 200 phobya with the good silverstone 180 fans would be beat by a 3x 120. the last they heard only a 120 fan had the power to cool a rad.
Quote:
Originally Posted by GaMbi2004 View Post

Many cases support ether 2x140 or 3x120..
140*280 vs 120*360, the 120 will win in both performance and noise level.

that would still depend on the fans wouldnt it? a 140 bgears bblaster puts out serious performance but its still a noisy fan. the chart i keep quoting that jack posted and is referencing again says the 140 fans are quieter and performing better.
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post #105 of 200
With the logic that smaller fans have better performance for noise, we should just start sticking a bunch of 40mm fans on our radiators...
Edited by WarpPrism - 1/14/14 at 6:35pm
post #106 of 200
Quote:
Originally Posted by pc-illiterate View Post

jack, some people just dont believe 140 rad will outperform a 120 rad. they either have been out of the loop too long to know these things or they just dont believe it. i had a guy try to tell me that a 2x 200 phobya with the good silverstone 180 fans would be beat by a 3x 120. the last they heard only a 120 fan had the power to cool a rad.

that would still depend on the fans wouldnt it? a 140 bgears bblaster puts out serious performance but its still a noisy fan. the chart i keep quoting that jack posted and is referencing again says the 140 fans are quieter and performing better.
Agree smile.gif As I said, I have only had bad experiences with *Edit 140's but that was a long time ago, and only tried one brand..
Quote:
Originally Posted by WarpPrism View Post

With the logic that smaller fans have better performance for noise, we should just start sticking a bunch of 40mm fans on our radiators...
Not at all wink.gif my scenario was only between 120 and 140 (and older ones at that) 100mm and 120mm blew 80mm fans away 5-10 years ago.. Im not in that line of works, so cant explain why.. other than there is a fine balance between Diameter /RPM / and other factors such as bearings and weight. a higher diameter means that the edge of the blade will travel much faster on a 140mm at 1000rpm vs a 120mm at 1000rpm, and therefore create more wind / pressure but also much more noise.. This might have been changed by blade texture and materials used.. im no expert..

80mm had to spin too fast (bearing noice) to make a decent flow.. 100-120 was much more efficient with same technology.. newer tehcs may allow 140's and above to give same or greater output vs noise.. I dont know smile.gif

*Edit
140->120
Edited by GaMbi2004 - 1/14/14 at 7:05pm
 
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post #107 of 200
Quote:
Originally Posted by GaMbi2004 View Post

Agree smile.gif As I said, I have only had bad experiences with 140's but that was a long time ago, and only tried one brand..
Not at all wink.gif my scenario was only between 120 and 140 (and older ones at that) 100mm and 120mm blew 80mm fans away 5-10 years ago.. Im not in that line of works, so cant explain why.. other than there is a fine balance between Diameter /RPM / and other factors such as bearings and weight. a higher diameter means that the edge of the blade will travel much faster on a 140mm at 1000rpm vs a 120mm at 1000rpm, and therefore create more wind / pressure but also much more noise.. This might have been changed by blade texture and materials used.. im no expert..

80mm had to spin too fast (bearing noice) to make a decent flow.. 100-120 was much more efficient with same technology.. newer tehcs may allow 140's and above to give same or greater output vs noise.. I dont know smile.gif

Well my comment was said mostly in jest. tongue.gif

But you are probably right, fans can probably be optimized in blade design for their size. 180 and 200 mm fans don't do too bad, after all.
post #108 of 200
Okay guys.
I am not just being a 120 fan boy (pun not intended). At first glance, it seemss obvious to think a bigger fan and a bigger rad will be better.....but.....
120 fans have been around for a lot longer than 140's. There is more engineering, more technology, and more choices in 120 fans.

No doubt the 140's have more potential, but they just aren't there yet.
But consider this. The top scoring 140, the Antec TwoCool scored 19, 21, and 23 for an average of 21.
The top scoring 120, the NB B12-2 scored 20, 20, 23, and 28 for an average score of just below 23 (22.75 to be precise)

This means that the top scoring 140 performed 8% better than the best 120.
But of course it performs better, it's a bigger fan with bigger blades, and probably bigger motor too.
But increasing the fan superficy by 36% while getting 8% increase in performance is really an actual decrease in performance.

So if you want to see real performance increase, you move from a 120.1 to a 120.2. In will increase in size my 100% and will increase your cooling by 100% as well.
But increasing size by 36% will only give you an 8% increase in performance.

Now, those scores, I don't know what they mean. And franckly, if Martin didn't test it, it's untested, period.

I just think that the technology and the r&d are not up to par yet on the 140. At some point, tomorrow, next week, or next decade, but not just now yet.

No question about it an inline car engine has more torque and more efficiency than a V engine. But for years and years, the r&d of the inline was not up to par with the long running popular V engines.

Same here with the 140 fans. The day that 140 fans are 36% more performant than 120's is the day I'll start considering them on par with the 120's.

And frankly, rad size, rad thickness, rad fpi count, and rad design mare a very small part of the cooling performance. The most important factor by far is fresh air movement. And I just don't think 140 fans move that much air....yet.
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post #109 of 200
Here is a better way to put it.

The 140.3 and the 120.4 rads have basically the same area.
The best 140 fans are 8% more performing according to the given table.
So over a 120.1 rad/fan, a 120.4 will be 400% more performance (4 x 100%)
But the over the same 120.1 rad the 140.3 is 325% more performance (3 x 108%)

See how 140 rads/fans perform PROPORTIONALLY les?
Edited by PepeLapiu - 1/15/14 at 12:18am
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post #110 of 200
Thread Starter 
After taking all of the information in and other factors including cases technology etc, I have FINALLY decided to go with the 120s. Now I seem to agree with the fact that the 140s seem to be that bit better for a number of reasons. The factor which really made my mind up was the silence factor. I realise there are so many reasons why I should go with the 140s, even that when compared to the 120.4, using 140s would cut my fan amount down considerably especially when using p/p. Anyhow, I think that I have made the right choice, and I really must say thanks to you guys who have helped me with this.

Obviously my journey is hardly over. Actually this is really where it starts as even though you have suggested some fans, the one that seemed to have been suggested the most was the Gently Typhoon. I think it's safe to say it's going to either be those, the NB B12-PS(but I have heard that the e loops have problems in either a push or pull config. Apparently over time the bearings move and come into contact with the base and make a hiding sound??), the NB PL-PS or the NFF12. I think it will be the Typhoon's though.

For the rads, I was going to go for the Alphacool Monsta 480 but after hearing your comments on the thickness really doing nothing I will be going for the UT 60 or 45, dunno yet. Either them or the Black Ice SR-1 480. Any suggestions?? Once I have that done, I can take a breather and finally order the case. I have a whole heap of fittings on their way from Bitspower so apart from some rotaries, I am basically there.

Then comes the fun part, the RAM, Mobo and CPU. I heard Intel is coming out with another generation socket mid 2014, has anyone heard about that? If so does that mean there will be like a socket...... dunno 3011 or something? Should I wait.

Anyways, thanks again for all your help you guys are really helping me heaps.
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