PC2-5300 or PC2-6400 - Much difference on Dell M1330? - HotUKDeals
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PC2-5300 or PC2-6400 - Much difference on Dell M1330?

Liddle ol' me Avatar
8y, 9m agoPosted 8 years, 9 months ago
Having a couple of XPS M1330's delivered and plan to upgrade the RAM. In one case it's essential as it's 1GB and running Vista Ultimate!

Q: Will I see benefits from running PC2-6400 RAM instead of the PC2-5300? Some answers I'm seeing on techie forums suggest it won't make any difference unless the machines are overclocked (NOT something I will do). Any thoughts?
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Liddle ol' me Avatar
8y, 9m agoPosted 8 years, 9 months ago
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#1
Just had a quick look, and the XPS M1330 is showing up as a laptop...

In which case the fastest memory you can buy for a laptop is PC2-5300. So you dont really have much of an option :(
#2
droitwichdosser
Just had a quick look, and the XPS M1330 is showing up as a laptop...

In which case the fastest memory you can buy for a laptop is PC2-5300. So you dont really have much of an option :(


erm...think you've got that one wrong, dude. The PC2-6400 is also compatible SODIMM DDR2 800Mhz (PC2-6400) :thumbsup:
#3
Liddle ol' me
erm...think you've got that one wrong, dude. The PC2-6400 is also compatible SODIMM DDR2 800Mhz (PC2-6400) :thumbsup:


your right... Just read that Corsair is going to be selling 2Gb PC2-10000 chips too.

sorry, been a while since i looked for laptop memory :)
#4
The T7250 processor runs at 800MHz FSB (quad pumped so effectively 200MHz)

Pc 5300 ram runs at 667Mhz (so effectively 166MHz)
Pc 6400 ram runs at 800Mhz (so effectively 200MHz)

There will be a small difference, if you can set the link to 1:1 in the bios between CPU and memory FSB. If the price for the memory is similar then use Pc 6400 in there. But unless your doing alot of memory intensive things such as image editing, then you probably wont physically see any difference in speed.
#5
Thanks, yes. That's what I'm getting elsewhere too. The 6400 memory will cost me a bit more because I have to give up using some of the 5300 I already have and sell it on - but I guess it's giving me more options for adding it to the next laptop I buy (I change them often). Thanks for the input
#6
if there is a 1Gb in each, buy enough 6400 for one laptop. Put the removed 5300 in the other laptop, and compare them both.
#7
droitwichdosser
if there is a 1Gb in each, buy enough 6400 for one laptop. Put the removed 5300 in the other laptop, and compare them both.


yes, good idea. I might do my own basic benchmark tests. I'll remember to post the results if I do. Cheers ;-)
#8
I get there in the end lol :)
#9
you wont see an amzing difference between them, BUT, I was reading about getting PC2-6400 for my m1530 (has 2Gb of 5300 atm) and it seems the 965M chipset only supports PC2-5300 (even though it supports 800mhz FSB chips).

http://www.intel.com/products/chipsets/gm965/

so if the m1330 has the same chipset as the m1530 (I assume it does, not 100%) then DDR2 800 will be detected as DDR2 667.

edit-

http://www.intel.com/support/chipsets/inf/sb/CS-009266.htm

link to intel chipset identity tool :)

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