Do two unequal RAMs in same computer work properly?

Question

If you have two RAMS of unequal sizes like 256MB and 512 MB both at 533MHz speed. Then they will not work to full. Am I right?

If you have two RAMS of equal sizes like both 256MB but one at 533MHz speed and other at 400MHz speed. Then they will not work to full. Am I right?

If you have two RAMS of unequal sizes and unequal speeds like 256MB at 533MHz and 512 MB at 400MHz. how will system equivalently be?

Please tell properly.
Thank you in advance.

Answer 1

A. Should work total 768MB
B. Should work 512MB but running at 400MHZ
C. probably won't work. if it does it will probably be 512MB at 400 MHZ

Answer 2

whatever the RAMs capacity is, they work together as a single unit. It is not a 512 MB and a 1GB RAM, its a single 1.5 GB RAM. Thats how the computer 'sees' it, as a single unit.
Unequal RAMs is not a consideration/as long as the speed is the same. And that is the key, to have them both operate at the same speed.

Answer 3

Performance wise they are pretty much the same except that laptops tend to have a little less in the video department, wont effect you much unless you do a lot of gaming. There are a couple things to consider. As a student you would probably want to be portable so that you can use it in class to take notes and stuff like that. On the other hand though, students tend to be very strapped on cash. Laptops are far more likely to need repairs and the repairs are generally much more expensive.

Answer 4

If you have 2 RAM modules at speeds of 533 and 400 then both will work at 400 only....ie always the lower speed of the 2 modules used

Answer 5

Dexter is correct ... as long as both Ram sticks are the same type e.g. both DDR or both DDR2 they will work ... size doesn't matter (the girls will tell you different) thats how you get odd numbers of ram e.g. 1x512mb and 1x256mb = 768MB Ram
Two sticks of different speed will only work at the lower speed see Dexters example. Actually Dexters example is wrong ... DDR400 is DDR and DDR533 is DDRII so that combination won't work ... DDR333 will work with DDR400

Answer 6

2 RAMS with different capacity but same Mhz speeds will work but not the reverse.

Answer 7

It depends how your system is made because some computers insist on having the same memory's capacities and others don't mind mixing.
to find out about you computer's memory try to run this program : Belarc Adviser.
good luck.

Answer 8

put the largeer capacity in the 0 slote and the second one in 1 slote but be sure to have same clock speed otherwisw computer will refuse them or one of them at least.

Answer 9

No both of the RAMS have to be same memory and same speed otherwise they wont work.

Answer 10

it will work!
i have 512mb/667 and 1024mb/667
and mine work very fine
your will work as 768mb at lower speed 400 or you can overclock it at 533

but only if they both are ddr2