Is it better to have a 1GB or two 512 MB RAM in a computer?
How many slots do you have to add memory, if you have 4 then 2x512 should be fine if you only have 1 then you are going to want to get a single stick.
It's better to use two sticks of identical RAM to get the superior dual channel performance.
If your motherboard supports dual-channel architecture, you get better performance with a pair of matching 512sticks. If it doesn't, then it's just the total memory size that counts.
But it depends on what you really want. Good luck.
If you have two slots, use the two memory chips to keep it even, but if you have money to upgrade those two slots - go for that! Memory is valuable I have learned!
Two 512MB is better, because if anytime your one of 512MB RAM dead's then your computer will be keep running on another 512MB RAM.
If adding 1GB RAM, anytime if it dead then your computer also stay dead until that dead RAM get replaced.
Hope you understand importance of adding 2 RAM.
Definitely with same clock speed like (1333MHz or 1666Mhz) for DDR3 or (667MHz or 800MHz or 1033MHz) for DDR2, two 512MB will be faster than one 1GB RAM because let us assume
100MB file can be transferred by your pc in 5sec, and let us assume your RAM is capable of accepting 100 MB in 20 sec then
1GB RAM will take 20 sec to receive it whereas if you have two 512MB RAM , 50MB is sent to one card in 10 sec simultaneously another 50 MB would have been sent,
thats the difference, but a single 1GB RAM costs lesser than two 512MB, also it depends on number slots in your motherboard too to decide
I think, if your computer have two slot then you can use 1 GB Card rather then 512 GB card for more technical help http://www.iyogi.net.au/computer-support/
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