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Switching to Intel - Page 2

post #11 of 17
Quote:
Originally Posted by PiratesRule
If the cpu and mobo are rated at 1066mhz and the ram is at 800mhz, wont it bottleneck it? Or are they rated differently?
No, here's the thing:

The CPU you have picked out would run in perfect harmony with DDR2 533 because it has a quad-pumped FSB. Meaning that the CPU clock is 266.66x9 which is 2400mhz. The FSB is rated at 266.66x4, which is 1066mhz. And the memory will run at 266.66x2, which is ~533mhz.

The DDR2 800 is giving you 277mhz of padding to overclock your CPU, as long as you leave the ratio of CPU:RAM at 1:1. Using DDR2 1066 will give you more headroom, but will essentially be useless in this particular situation, considering your chosen CPU will most likely not reach <400FSBx9. And even if it does, 400x2 (RAM calculation) is 800mhz, the rated speed of the G.Skill...

Just go with me on this one lol
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Sandy Beach
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post #12 of 17
Thread Starter 
Quote:
Originally Posted by kidwolf909
No, here's the thing:

The CPU you have picked out would run in perfect harmony with DDR2 533 because it has a quad-pumped FSB. Meaning that the CPU clock is 266.66x9 which is 2400mhz. The FSB is rated at 266.66x4, which is 1066mhz. And the memory will run at 266.66x2, which is ~533mhz.

The DDR2 800 is giving you 277mhz of padding to overclock your CPU, as long as you leave the ratio of CPU:RAM at 1:1. Using DDR2 1066 will give you more headroom, but will essentially be useless in this particular situation, considering your chosen CPU will most likely not reach <400FSBx9. And even if it does, 400x2 (RAM calculation) is 800mhz, the rated speed of the G.Skill...

Just go with me on this one lol

Yeah, thats a lot more compicated than what Im runnung now lol.

Im understanding what you said though
post #13 of 17
Quote:
Originally Posted by PiratesRule
Yeah, thats a lot more compicated than what Im runnung now lol.

Im understanding what you said though
Haha...yea, I know it's a lot to handle, but I figured you would want the actual, full explanation

Glad to help. Now go build it and come back with overclocking numbers! lol
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Sandy Beach
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post #14 of 17
Thread Starter 
Quote:
Originally Posted by kidwolf909
Haha...yea, I know it's a lot to handle, but I figured you would want the actual, full explanation

Glad to help. Now go build it and come back with overclocking numbers! lol

Will do, might be a week and a half though...

One last question, whats a good air coolong setup? Thermaltake Blue Orb II? Or the Zalman?
post #15 of 17
Quote:
Originally Posted by PiratesRule
Will do, might be a week and a half though...

One last question, whats a good air coolong setup? Thermaltake Blue Orb II? Or the Zalman?
Neither...Go with the Thermaltake Big Typhoon VX or the Arctic Cooling Freezer 7 Pro.

Orrrrr if you want to overclock higher, you can get a budget water-cooling setup for sub-$200, which is very good.

Whatever you do, don't get the Zalman. They are underpowered and of bad design. And the Thermaltake Blue Orb is ehh...but the BT is better.
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Sandy Beach
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post #16 of 17
Thread Starter 
post #17 of 17
Quote:
Originally Posted by PiratesRule
Yeah, thats a lot more compicated than what Im runnung now lol.

Im understanding what you said though
It's not complicated:

1:1 ratio on AMD = 200:200 (CPU/RAM DDR 400)

1:1 ratio on Intel = 266:266 (CPU/RAM DDR2 533)

It's the ratio that makes the difference. The higher the ratio, the higher the memory will be running.

The reason why buy DDR2 800 is because you could/can overclock the CPU a lot higher than you would with DDR2 533. Same concept as buying DDR 500 and/or DDR 600.

Don't look at the (total) FSB but the actual speed the fsb is running at, in this case it's 266mhz.

DDR2 667 could be more than enough but given the circumstances that in some cases you could overclock to 500mhz fsb, you'll need DDR2 1000, but in that case the G.Skill most certainly will hit that speed with a Vdimm increase, so that's why most if not all of us use DDR2 800 instead.
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