Ram for a Intel Core 2 DUO Extreme Edition X6800

Cpu_Bible

Cpu_Bible

Cpu_Bible

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Guys

whats the very best ram you can buy for this CPU

cost is now not a problem I had only wanted to spend £1000 for a complete system.

But have just spent £775 on a cpu :eek: so whats the best ram will be overclocking on air looking to get the best from both

Have had a look at some

Corsair 2GB DDR2 XMS2-6400C3 TwinX (2x1GB) (MY-110-CS)

Corsair 2GB DDR2 XMS2-8500C5 TwinX (2x1GB) (MY-109-CS)


whats the diff between the two corsair ram? as there priced the same

OCZ 2GB (2 x 1GB) PC2-8000 Dual Channel Extreme Edition XTC Platinum Series EL-DDR2 CAS2 (OCZ2P10002GEEK) (MY-068-OC)


can get these OCZ dirt cheap

G.Skill 2GB DDR2 HZ PC2-8000 (2x1GB) CAS4 Dual Channel Kit (F2-8000PHU2-2GBHZ) (MY-010-GS)




Money is no longer a problem so what do you think guys going to hold off buying the board till everything is out
 
You don't really need to worry about getting high speed RAM because you have an unlocked multiplier. You can just bump up the multi without even touching the FSB, i.e. you're not relying solely on increasing the FSB like everyone without the x6800 is. But realistically you will want to use a combination of both increasing multi and then increasing FSB for "tweaking".

So even if you only buy PC2-6400, you're looking at 11 x 400 = 4.4GHz or 12 x 400 = 4.8GHz etc etc (there's so many combinations you can use because of the unlocked multi)

Even PC2-5300 is good enough...11 x 333 = 3.66GHz, 12 x 333 = 3.99GHz or 13 x 333MHz = 4.3GHz (you have so many possibilities)

It would be useful to know what cooling you're going to use in order to determine what sort of overclock you can expect. On air you're probably looking at around 3.8GHz +/- in which case PC2-8000 with an x6800 doesn't really make sense IMO.
 
Corsair 2GB DDR2 XMS2-6400C3 TwinX (2x1GB) (MY-110-CS)

Corsair 2GB DDR2 XMS2-8500C5 TwinX (2x1GB) (MY-109-CS)


whats the diff between the two corsair ram? as there priced the same
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I was wondering that but as far as i can tell from the specs the 8500 has some pretty hefty latancies (5-5-5-15) whereas the 6400 is much lower (3-4-3-9)

Lower latancies = better

So i guess its either faster with more delay or slower with less delay, hence the same price :) Which is better, i have no idea. As far as my research tells me latancies arent all that important in high end systems. Also all the mobo specs i have seen so far seem to stop at 800mhz so i have no idea if 1000 or 1066 are even supported
 
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Also, the 8500C5 is rated for 533MHz (DDR2-1066MHz) whereas the 6400C3 is rated for 400MHz (DDR2-800MHz).

Again, you have an unlocked multi so I don't see the point in buying 8500C5.
 
There's no real difference between the XMS2-8500C5 and the XMS2-6400C3. Both use the same IC and so clock similarly. Only difference is what they're rated for.

Previously the 6400C3s had been ultimate memory of choice, however the new results from the Gskill 8000HZs do look very nice, so it's pretty close now.
 
Kesnel said:
Previously the 6400C3s had been ultimate memory of choice, however the new results from the Gskill 8000HZs do look very nice, so it's pretty close now.
Click to expand...

I've been hearing good things about both over at XS, the 8000HZs do look awesome though :D
 
Explicit said:
Also, the 8500C5 is rated for 533MHz (DDR2-1066MHz) whereas the 6400C3 is rated for 400MHz (DDR2-800MHz).

Again, you have an unlocked multi so I don't see the point in buying 8500C5.
Click to expand...

It's worth pointing out the 6400C3 uses the same IC's as the 8500C5 according to Corsairs RamGuy on their forums. So you should be able to get 1066mhz out of the C3 but not neccessarily low latencies out of the 8500C5. Anyway, the memory bandwidth of Conroe does not even approach DDR2-800mhz. Even DDR2-667mhz would be enough, even when overclocking.
 
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