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zvegasz

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#1 zvegasz
Member since 2003 • 32 Posts

It´s a jungle. Am i better of with 4x2 modules or 2x4. What CL-Mhz etc is best suited for an i5-2500k gaming rig?

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jtcraft

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#2 jtcraft
Member since 2005 • 2770 Posts
Go with 2x4GB sticks of DDR3. For speed 1600MHz is a good speed but really anything from 1333 and up. You won't really be able to tell the difference in games.
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Truth_Hurts_U

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#3 Truth_Hurts_U
Member since 2006 • 9703 Posts

If you get an Intel system (K) get XMP profile memory. Grab a good heat sink and fan... Buy the highest memory the board supports without OC (1866+) and watch as XMP overclocks your processor for you.

Now from what I seen in DDR3 speeds is this. If you play a level in a game that rotates you can load that level in less then a few seconds (4-5 sec) the next time you play it in the same session. Other then loads and overclocking abilities of higher speed memory (with XMP) there isn't any advantage right now over slower DDR3.

Always first fill the 2 RAM slots... So, 2 x 4gb sticks.

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JohnF111

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#4 JohnF111
Member since 2010 • 14190 Posts
1333Mhz is plenty for most things, you can't really tell the difference at higher frequencies also latency isn't the most important thing either i think mine are 9-9-9-24 or something. Like others say get 2x4Gb sticks it's the same amount of RAM just in two sticks. Try to get 1.5v sticks if you can as they run cooler and can overclock better but again in games the only real differing factor is the amount of RAM you have you won't be able to tell that someone who has 1600Mhz can load his games 15ms faster.
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Truth_Hurts_U

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#5 Truth_Hurts_U
Member since 2006 • 9703 Posts

you have you won't be able to tell that someone who has 1600Mhz can load his games 15ms faster.JohnF111

After having experience with slower vs faster DDR3. I can tell you there is a good few seconds of difference. In the range of 4-8 seconds compared 1333 vs 1866.

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JohnF111

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#6 JohnF111
Member since 2010 • 14190 Posts

[QUOTE="JohnF111"]you have you won't be able to tell that someone who has 1600Mhz can load his games 15ms faster.Truth_Hurts_U

After having experience with slower vs faster DDR3. I can tell you there is a good few seconds of difference. In the range of 4-8 seconds compared 1333 vs 1866.

The point was it's practically unnoticeable, my mate has the exact same build as me except 2Gb RAM and the difference between level loading in Black Ops was about 6 seconds... I hardly think 4-8 seconds is true.
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Truth_Hurts_U

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#7 Truth_Hurts_U
Member since 2006 • 9703 Posts

The point was it's practically unnoticeable, my mate has the exact same build as me except 2Gb RAM and the difference between level loading in Black Ops was about 6 seconds... I hardly think 4-8 seconds is true.JohnF111

It's not wise in this day and age to run less then 4GB of RAM. Your multitasking will be reduced as well as caching to your HDD while gaming.

I have tested my defaulted RAM at 1333 in bios vs XMP 1866... There was noticeable improvements in loading repeat levels in a single game session. Once cached into the memory it was not uncommon for me to beat fresh load SSD into a map.

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JohnF111

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#8 JohnF111
Member since 2010 • 14190 Posts

[QUOTE="JohnF111"] The point was it's practically unnoticeable, my mate has the exact same build as me except 2Gb RAM and the difference between level loading in Black Ops was about 6 seconds... I hardly think 4-8 seconds is true.Truth_Hurts_U

It's not wise in this day and age to run less then 4GB of RAM. Your multitasking will be reduced as well as caching to your HDD while gaming.

I have tested my defaulted RAM at 1333 in bios vs XMP 1866... There was noticeable improvements in loading repeat levels in a single game session. Once cached into the memory it was not uncommon for me to beat fresh load SSD into a map.

Yeah that's the point of cache, fast access to previously or frequently used data.
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Truth_Hurts_U

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#9 Truth_Hurts_U
Member since 2006 • 9703 Posts

Yeah that's the point of cache, fast access to previously or frequently used data.JohnF111

And the moral of the story is the faster the RAM you got, the quicker the loads in seconds not ms. ;)

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szafto

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#10 szafto
Member since 2006 • 1389 Posts
Which brand to go with?
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Truth_Hurts_U

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#11 Truth_Hurts_U
Member since 2006 • 9703 Posts

Which brand to go with?szafto

For Intel? I like Corsair Vengeance. Gskill is also good but they tend to have a tad bit higher latency. As long as it's got XMP you should be set.

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szafto

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#12 szafto
Member since 2006 • 1389 Posts
So if it's not XMP i can't use it on my intel cpu? :O
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jtcraft

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#13 jtcraft
Member since 2005 • 2770 Posts

So if it's not XMP i can't use it on my intel cpu? :Oszafto

It will work with your mobo and cpu. So long as it is DDR3 and your cpu/mobo supports DDR3 it will work. Whether or not it has an XMP profile doesn't matter.

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theshadowhunter

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#14 theshadowhunter
Member since 2004 • 2956 Posts

its better to use 2 sticks, and when you are overclocking it puts less stress on the CPU.

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Truth_Hurts_U

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#15 Truth_Hurts_U
Member since 2006 • 9703 Posts

So if it's not XMP i can't use it on my intel cpu? :Oszafto

If it doesn't have XMP and your mobo doesn't run it at stock speed then... You will have to put in all your RAM settings by hand.

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szafto

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#16 szafto
Member since 2006 • 1389 Posts

[QUOTE="szafto"]So if it's not XMP i can't use it on my intel cpu? :OTruth_Hurts_U

If it doesn't have XMP and your mobo doesn't run it at stock speed then... You will have to put in all your RAM settings by hand.

Oh, you mean if i want to overclock it i will need XMP?
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XaosII

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#17 XaosII
Member since 2003 • 16705 Posts

[QUOTE="Truth_Hurts_U"]

[QUOTE="szafto"]So if it's not XMP i can't use it on my intel cpu? :Oszafto

If it doesn't have XMP and your mobo doesn't run it at stock speed then... You will have to put in all your RAM settings by hand.

Oh, you mean if i want to overclock it i will need XMP?

No, hes just stating his brand preference as fact. Nothing he has said will limit you in either speed or ability to overclock.

You can pretty much get whatever you want and you'll be okay.

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Truth_Hurts_U

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#18 Truth_Hurts_U
Member since 2006 • 9703 Posts
[QUOTE="szafto"] Oh, you mean if i want to overclock it i will need XMP?

No, XMP is a profile that auto sets your settings for you to stock speeds. Intel sandybridge uses 1333 but if you use say 1866 with XMP profile it'll clock a 2600k to 3.8GHz. You can do the same with manual settings as well. XMP is for people who like easy settings in bios and not have to worry.
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jtcraft

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#19 jtcraft
Member since 2005 • 2770 Posts
[QUOTE="Truth_Hurts_U"][QUOTE="szafto"] Oh, you mean if i want to overclock it i will need XMP?

No, XMP is a profile that auto sets your settings for you to stock speeds. Intel sandybridge uses 1333 but if you use say 1866 with XMP profile it'll clock a 2600k to 3.8GHz. You can do the same with manual settings as well. XMP is for people who like easy settings in bios and not have to worry.

All XMP does is set the timings and speed automatically. That way you don't have to manually input every timing or make the appropriate adjustments to get the speed up to spec. It doesn't overclock your cpu. 3.8GHz on an i7 2600K is the cpu speed when "Turbo Mode" (or turbo boost) is enabled.
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Truth_Hurts_U

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#20 Truth_Hurts_U
Member since 2006 • 9703 Posts
[QUOTE="jtcraft"] All XMP does is set the timings and speed automatically. That way you don't have to manually input every timing or make the appropriate adjustments to get the speed up to spec. It doesn't overclock your cpu. 3.8GHz on an i7 2600K is the cpu speed when "Turbo Mode" (or turbo boost) is enabled.

Wrong... The mem has to overclock your CPU for it to use the ram at the higher speed. Base clock is 3.8GHz. for 1866 as I have it for my system.