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Ram - clock vs timings

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Nov 11, 2012
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Portugal
System Name The Homer
Processor i5 3570k @4.3 ghz
Motherboard gigabyte-z77m-d3h
Cooling Titan Cooler
Memory 2 x 4 gb corsair vengeance LP LV white @ 1600 7-8-7
Video Card(s) gigabyte gtx 670 @ 1225/6700
Storage Corsair Force GT 120 Gb; 1 Tb Hard-drive 5400 rpm
Display(s) HP L2335
Case Corsair Carbide 500r white
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Power Supply Corsair gaming series 720w
#1
Hi there,

I got bored today so I started to see the limits my ram could overclock to.
It's corsair vengeance artic white low profile low voltage 1600 9-9-9 2t .
Since it starts at 1600 with only 1.35V I was hoping for some great OC... The results were... Meeeh...
I got it stable at:
1600 7-8-7 1t @1.60
1800 10-11-10 1t @1.65
1866 11-11-11 1t @1.656 (Failed at the last cycle of stability testing @1.65 :wtf:)

Just wanted to share and to know which one would you keep. Thanks! :toast:
 
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#2
Keep the one that benchmarks the best! :):toast:
 
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#3
Depends on the usage scenario. Much like with regular storage, there are sequential and random access patterns. Apps and games requiring loads of consolidated data will benefit most from shear throughput, meaning higher clocks. On the other hand, apps/games that make a lot of mixed random-sized read/write combinations would benefit more from reduced latency.

The catch is in the fact that both clock and latency play a role in both final response time and throughput... So as erixx nicely put it, keep the one that benches the highest :D
 
Joined
Nov 11, 2012
Messages
137 (0.07/day)
Likes
19
Location
Portugal
System Name The Homer
Processor i5 3570k @4.3 ghz
Motherboard gigabyte-z77m-d3h
Cooling Titan Cooler
Memory 2 x 4 gb corsair vengeance LP LV white @ 1600 7-8-7
Video Card(s) gigabyte gtx 670 @ 1225/6700
Storage Corsair Force GT 120 Gb; 1 Tb Hard-drive 5400 rpm
Display(s) HP L2335
Case Corsair Carbide 500r white
Audio Device(s) Asus xonar dg / sennheiser hd 598
Power Supply Corsair gaming series 720w
#4
What benchmarks? Cristal disk mark (after creating a ram disk) prefer the 1866 version. In games there really seems to be no difference. 3d Mark had a very subtle preference towards 1600 cas 7.
I use a ram disk for browser caching, I've started to fold now (ram OC actually seemed to make a difference here), and I game basically. Any real world benchmark I can use?
 
Joined
Nov 11, 2012
Messages
137 (0.07/day)
Likes
19
Location
Portugal
System Name The Homer
Processor i5 3570k @4.3 ghz
Motherboard gigabyte-z77m-d3h
Cooling Titan Cooler
Memory 2 x 4 gb corsair vengeance LP LV white @ 1600 7-8-7
Video Card(s) gigabyte gtx 670 @ 1225/6700
Storage Corsair Force GT 120 Gb; 1 Tb Hard-drive 5400 rpm
Display(s) HP L2335
Case Corsair Carbide 500r white
Audio Device(s) Asus xonar dg / sennheiser hd 598
Power Supply Corsair gaming series 720w
#6
Will try it out but as I remember it Sandra is mainly synthetic right? I was more interested in everyday performance!
 
Joined
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Messages
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System Name Chaos
Processor Intel Core i5 4590K @ 4.0 GHz
Motherboard MSI Z97 MPower MAX AC
Cooling Arctic Cooling Freezer i30 + MX4
Memory 2x4 GB Kingston HyperX Beast 2400 GT/s CL11
Video Card(s) Sapphire HD7950 Vapor X, 800/1400 @ 1.075V/1.45V
Storage 256GB Samsung 840 Pro SSD + 1 TB WD Green (Idle timer off) + 320 GB WD Blue
Display(s) Dell U2515H
Case Fractal Design Define R3
Audio Device(s) Onboard
Power Supply Seasonic SS-380GB
Mouse CM Storm Recon
Keyboard CM Storm Quickfire Pro (MX Red)
#8
For everyday performance I'd stay at 1600 @ 7-8-7-1T. There is a nice explanation/guide to calculating the best scenario for particular benches here (Ian Cutress/AnandTech). Generally, single-word performance is more important to apps that do a lot of cache swapping and to highly-parallel simple-data calculations and lookups (like database operations or WEP/WPA cracking/phone unlocking). Multi-word performance is important to intensive GPGPU work, most games and complex-data crunching.

Using RAM as a RAMdisk is about halfway between, because you're doing both random reads/writes (browser cache) and sequential ones (when there are larger chunks of data like large pics and video streams). Though, in both cases, the RAMdisk will outperform any form of non-volatile storage by a large factor, no matter what your RAM settings are.

AIDA's memory testing is done pretty well.
 
Joined
Nov 11, 2012
Messages
137 (0.07/day)
Likes
19
Location
Portugal
System Name The Homer
Processor i5 3570k @4.3 ghz
Motherboard gigabyte-z77m-d3h
Cooling Titan Cooler
Memory 2 x 4 gb corsair vengeance LP LV white @ 1600 7-8-7
Video Card(s) gigabyte gtx 670 @ 1225/6700
Storage Corsair Force GT 120 Gb; 1 Tb Hard-drive 5400 rpm
Display(s) HP L2335
Case Corsair Carbide 500r white
Audio Device(s) Asus xonar dg / sennheiser hd 598
Power Supply Corsair gaming series 720w
#9
Seems like I'll be keeping 1600 then! Thanks.