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post #8041 of 33641
Quote:
Originally Posted by King4x4 View Post

Hey Swag... Cinebench is a very decent CPU test but never a ram test. Had my ram at 2400mhz CL10 T2 and it passed cinebench. Gave it a memtest for an hour found four errors mad.gif!

Run it through memtest (Best memory tester I used until now) in dos and check. My benchmark is that if the ram passes two passes from memtest it's okay initially. A full night test and it's fool proof. CPU is generally going all out crazy on BF3!

I agree, I always test memory in memtest on new mem OC settings or if new BIOS gives me quirky behavior in OS (or if I suspect defective sticks or board). over night run in memtest86+ 4.20 (around 12 passes on 2x4GB kit) is what I need for daily stability.
for benchmarking I just check if it passes without errors for 1 pass.

Cinebench is for CPU alone, it doesn't test general system stability at all. IBT/LinX would stress CPU+RAM if that is RAM if you want to stress in Windows, but in return it puts less stress on vcore stability (it will mostly stress the CPU thermally, but it doesn't prove vcore is set correctly).
post #8042 of 33641
Yup.

Got an ambient sensor in my Aerocool Fan Controller and my Swiftech Res. has a coolant temperature value.

Did a one hour run to stress the system (Had 99.9% activity on all parts) with 15% PWM (Dead silent I love it) at 24'C Ambient and the rad fans (Two rads in push config with 1500rpm Yate Loons and a third with three push Yate loons with 1500rpm and another pieces of CM 1700 rpm fans) and the max coolant temp recorded was 28'C and it drops to 27'C after a point.

Another test was done at 30% PWM at the same specs and ZERO change in the results.

Did a third with 15% PWM and all fans at 1000 RPM and the coolant temp increased by 7'C from ambient.

Three RX360s are nice!
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post #8043 of 33641
Quote:
Originally Posted by feniks View Post

Quote:
Originally Posted by King4x4 View Post

Hey Swag... Cinebench is a very decent CPU test but never a ram test. Had my ram at 2400mhz CL10 T2 and it passed cinebench. Gave it a memtest for an hour found four errors mad.gif!

Run it through memtest (Best memory tester I used until now) in dos and check. My benchmark is that if the ram passes two passes from memtest it's okay initially. A full night test and it's fool proof. CPU is generally going all out crazy on BF3!

I agree, I always test memory in memtest on new mem OC settings or if new BIOS gives me quirky behavior in OS (or if I suspect defective sticks or board). over night run in memtest86+ 4.20 (around 12 passes on 2x4GB kit) is what I need for daily stability.
for benchmarking I just check if it passes without errors for 1 pass.

Cinebench is for CPU alone, it doesn't test general system stability at all. IBT/LinX would stress CPU+RAM if that is RAM if you want to stress in Windows, but in return it puts less stress on vcore stability (it will mostly stress the CPU thermally, but it doesn't prove vcore is set correctly).

Got my RAM running at 2400 12-12-12-30! Passed Prime95 for 1H already!
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post #8044 of 33641
Quote:
Originally Posted by Swag View Post

Got my RAM running at 2400 12-12-12-30! Passed Prime95 for 1H already!

Also, use maxxmem or aida64 to check the different frequency/timing combinations to make sure it's doing better. Ivy likes higher frequency but loosening timings too much to get there can negate some of the speed gain.
    
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post #8045 of 33641
@FtW, Thanks for the tip! I checked and my new specs are faster than the previous one. tongue.gif

Anyone wanna post their maxxmem scores so I can compare where mine stands!

edit: What do you guys think of the rear fan in the case? Should I still use one? I've heard it makes no difference with temps at all. Note this was only indicated when using the the NH-D14 and nothing else. tongue.gif
Edited by Swag - 1/13/13 at 1:49am
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post #8046 of 33641
Here is mine
post #8047 of 33641
Quote:
Originally Posted by [CyGnus] View Post

Here is mine

Nice! Let me check it again without prime95. tongue.gif I scored 26k with prime95 on so let's see what it'll do after prime!
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post #8048 of 33641
I did a quick analysis once. The equation is ((CL#/(Speed/2))*1000 = nS Response time (For normal use)

Fastest timing with regards to response time should be for the following and in this order (First line is CL, Second Line is Speed in Mhz and third line is response time):

9 2666 6.751687922
10 2800 7.142857143
9 2400 7.5
8 2133 7.501172058
10 2666 7.501875469
11 2800 7.857142857
11 2666 8.252063016
10 2400 8.333333333
9 2133 8.438818565
12 2800 8.571428571
8 1866 8.57449089
12 2666 9.002250563
11 2400 9.166666667
10 2133 9.376465073
9 1866 9.646302251
8 1600 10

If you go analyize this data you find that the fastest ram out at the moment (Corsair Dominators at CL12 2800mhz) is getting beaten by any ram doing CL10 2400mhz. This is at T2 settings I bet that when you find a ram that is T1 CL9 2133 it will beat it too.

My Samsung chips are currently doing CL10 2133 T1... thought about getting them to CL11 2400mhz but its just not that responsive.
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post #8049 of 33641
Quote:
Originally Posted by FtW 420 View Post

Quote:
Originally Posted by Swag View Post

Got my RAM running at 2400 12-12-12-30! Passed Prime95 for 1H already!

Also, use maxxmem or aida64 to check the different frequency/timing combinations to make sure it's doing better. Ivy likes higher frequency but loosening timings too much to get there can negate some of the speed gain.

+rep, without this, I would've been running my RAM slower than my 2133!
Quote:
Originally Posted by [CyGnus] View Post

Here is mine

Thanks a lot for this! I just went down to 2200MHz (golden speed for mine) @ 9-9-9-27! I can't believe how much of a difference it makes from 2400. 2400 kept scoring crappy stuff even at 2400 12-12-12-30!

By the way guys, what Vdimm are you guys running at? I keep hearing that anything above 1.50 is extremely bad for Ivy Bridge but I don't think so. As much as I've pushed so many voltages through this chip, nothing has happened!
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post #8050 of 33641
Well for the safe side you can go to 1.575v, but since there is ram at 1.65v out of the box i would say go for that no issues
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