Which is best RAM 1866 vs 2133 CL+CMD vs MHZ

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hardware-guy

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Jul 22, 2013
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My environment:

plenty of cooling

Board: Asus Maximus Extreme V 2800mhz memory bus capable
CPU: Intel Core i5 3550 3300mhz 6mb with ivy bridge

VMware Workstation with minimum 3 - 9vms always running (MSExchange, MSSQL, Oracle etc...)

Gaming and video on main OS

My options:

32gb Corsair Vengeance (CMZ32GX3M4A2133C10) 2133mhz 1.5v – 10-11-11-31 = 59.096 ns per cycle – 360.00$ (breakdown = Data access = 30.016ns & CMD process 29.080ns)

32gb Corsair Vengeance Pro (CMY32GX3M4A2133C11) 2133mhz 1.5v – 11-11-11-27 = 56.282 ns per cycle – 359.68$ (breakdown = Data Access = 30.954ns & CMD process 25.328ns)

32gb G Skill RipshawsZ (F3-1866C9Q-32GZH) 1866mhz 1.5v – 9-9-9-24 = 54.661 ns per cycle – 325.50$ (breakdown = Data Access = 28.938ns & CMD process 25.723ns)


Now here is the question:

Considering they are all about the same price - which one would you go for taking into consideration G Skill 1866mhz being the fastest but you have the added 267mhz with the Corsair 2133mhz and the overclocking ability from that point (Corsair being much more stable and capable than G Skill on overclocking).
 
Solution
Tradesman1
Toss the Corsair 2133/11 out of the mix, of the two remaining you have Corsair 2133/10 and GSkill 1866/9 which are pretty much a dead heat, while the 1866 has CL of 9 vs the 2133 with 10, the 2133 theoretically will process more data each cycle, so between the two it's sort of a toss up....if the 1866/9 costs less I'd go for them as the Ripjaws will easily OC to 2133 at CL10
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Legohouse

Legohouse

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May 13, 2013
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Well, no motherboard model and the CPU. :chaudar: Well, both the brands are good are capable of overclocking but for more headroom for OC, I think GSkill TridentX is better.

Memory speed: I think 2133MHz is better comparing with 1866MHz. The difference between the two corsair modules isn't much so any of 'em is recommended. If you are having a Z87 chipset motherboard and a 'K' model CPU maybe even 2400MHz should come handy with what you are running your system for.

CL wise: 9 is better than 10 and 10 is better than 11.

Conclusion: 1866MHz has higher CL but 2133MHz has higher freq and almost same CL but lower so I think 2133MHz compensates the CL with the freq so go with 2133MHz. Between the corsair I think you should stick vengeance pro.

If you need any recommendation then try this one - 32GB GSkill TridentX [F3-2133C9Q-32GTX]
 
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H

hardware-guy

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Jul 22, 2013
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10,510
I just updated the Board and CPU models

The issue is:

I want to squeeze more out of the 32gigs of ram to get more out of the vm's I am running. Considering my board has only 4 memory bays and I am limited to 32gigs of ram (the 16gig sticks are not yet out for the pc world - only in the server world).

I also do a lot of gaming while my vm's are doing processing.

The G-Skill will process the memory recommendations immediately - almost no lag between the ram access and the ram cycles - 9-9-9=28.938ns and the clock cycle of 24=25.723ns - but running 1866mhz.

The Corsair pro has 11-11-11=30.954ns and the clock cycle 27=25.328ns - which means every clock cycle will have to wait for the ram to be read and responded to by slightly over 5ns on each call - the added MHz is the difference... 2133mhz

I am torn for I do not want to buy the wrong ram to get the best results


"If you need any recommendation then try this one - 32GB GSkill TridentX [F3-2133C9Q-32GTX] "


Thanks for the recommendation but I want to stay in the 1.5v range - my cpu is a gen 3 so recommended 1.5v. The gen 4's you can go to 1.65v

 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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Toss the Corsair 2133/11 out of the mix, of the two remaining you have Corsair 2133/10 and GSkill 1866/9 which are pretty much a dead heat, while the 1866 has CL of 9 vs the 2133 with 10, the 2133 theoretically will process more data each cycle, so between the two it's sort of a toss up....if the 1866/9 costs less I'd go for them as the Ripjaws will easily OC to 2133 at CL10
 
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Solution
gskill support

gskill support

Splendid
Feb 27, 2012
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www.gskill.com
All CPUs have been capable of 1.65V, this is the enthusiast performance limit. For standard limitation, it is 1.50V, and that is what Intel recommends as they do not support enthusiast performance. You will find most gamers, power users, overclockers, all run 1.65V without a problem since first gen CPUs.

Thank you
GSKILL SUPPORT

 
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