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RAM Number of sticks

post #1 of 13
Thread Starter 
What is faster:
Let's say the sticks are all similar in timing and speed and cost.

1 sticks of 4GB DDR2/DDR3 (total 4GB)
or
2 sticks of 2GB DDR2/DDR3 (total 4GB)
or
4 sticks of 1GB DDR2/DDR3 (total 4GB)

I'm not worried about freeing up memory slots just need an answer and a reason why.
post #2 of 13
I think two sticks would be the best. Two sticks would make it capable of running in dual channel so it would be a good increase in speed compared to a single stick, but you can overclock higher when using two sticks compared to four sticks simply because there are less sticks. I don't remember exactly the reason for that though, I read about it in the past.
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Tiny Fun
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post #3 of 13
2x2GB sticks is best for top speed.
You need pairs of sticks to run dual channel mode for best speed, and using only one pair gives you that advantage combined with lower load on the memory controller compared to 4 sticks.

TL;DR: 4x1GB will limit your overclocks, 1x4GB will cut memory bandwidth in half. 2x2GB=Best.
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post #4 of 13
Thread Starter 
Quote:
Originally Posted by allikat View Post
2x2GB sticks is best for top speed.
You need pairs of sticks to run dual channel mode for best speed, and using only one pair gives you that advantage combined with lower load on the memory controller compared to 4 sticks.

TL;DR: 4x1GB will limit your overclocks, 1x4GB will cut memory bandwidth in half. 2x2GB=Best.
Why will 1X4GB cut memory bandwidth in half? Wouldn't it be two dual channels?
post #5 of 13
Quote:
Originally Posted by Hiep View Post
Why will 1X4GB cut memory bandwidth in half? Wouldn't it be two dual channels?
1x4GB is one stick. Dual channel requires a multiple of two sticks. It's like having two lanes with two cars carrying the same amount of stuff. With only one car, it carries half the amount of stuff compared to having two cars.
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AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core 
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SuperMicro H8QGi+-F Matrox G200eW 16x2 (32GB) Crucial Ballistix DDR3 1600MHz Crucial C300 64GB 
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Tiny Fun
(8 items)
 
4P Folding Rig 1
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4P Folding Rig 2
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CPUMotherboardGraphicsRAM
i7-4770K @ 4.0GHz MSI Z87I EVGA GTX 660 Ti Corsair Vengeance 16GB 
Hard DriveCoolingOSCase
Samsung 840 Pro 256GB Swiftech Apogee Drive II Windows 8 Enterprise x64 Cooler Master Elite 120 Advanced 
CPUCPUCPUCPU
AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core AMD Opteron 6274 ES 2.2GHz 16-Core 
MotherboardGraphicsRAMHard Drive
SuperMicro H8QGi+-F Matrox G200eW 16x2 (32GB) Crucial Ballistix DDR3 1600MHz Crucial C300 64GB 
OSPowerCase
Linux Mint 15 Cinnamon 64-bit Enermax Galaxy Evo 1250W Spotswood Tech Tray 
CPUCPUCPUCPU
AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz AMD Opteron 6176 SE 12-Core 2.3GHz 
MotherboardGraphicsRAMHard Drive
Supermicro H8QGL-IF+ Matrox G200eW Kingston Server 16x1GB DDR3 Corsair Nova 32GB 
OSPower
Linux Mint 15 Cinnamon 64-bit Cooler Master Silent Pro 1000W 
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post #6 of 13
2X2GB would be best. You get dual-channel performance plus room for expandability.

1X4GB would be next IMO. You get 3 empty banks for expandability but no dual-channel.
Edited by MCBrown.CA - 1/27/11 at 5:14pm
At long last...
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At long last...
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post #7 of 13
2,3, and 4 sticks will be faster than 1.
post #8 of 13
Always 2 or 4.
2 on C2 chips or if you want to overclock further.
post #9 of 13
Quote:
Originally Posted by xd_1771 View Post
Always 2 or 4.
2 on C2 chips or if you want to overclock further.
Overclocking what, the processor or the ram?

For the black processors, isn't it possible to increase the multi without ocing the ram?
post #10 of 13
processor. C2 chips will have problems with more than 2 DIMMs.
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