More ram = lower performance?!?

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Do not worry, the Windows Experience Index test is total bs. The score of your computer will change on a daily basis. The WEI does not show anything.
If you want to check the performance of your memory, download cpu-z, and go into the memory and spd tab. In there you will be able to see the running frequency of the memory, and the amount recognized by the system

K-TRON

 

Download SiSoft Sandra (free) and run the memory bandwidth benchmark with both configurations. What CPU do you have?

 

perhaps you bought a stick that ran at a slower speed than your previous 1gb. Just because you bought a bigger ram stick does not mean that it will be faster. Is the 2gb stick rated at the same speed 533/667 as your previous one? Latency may be another issue- does your new stick have a higher or lower cl?

 

The _Vista experience score isn't really going to tell you if you've suffered an actual drop in performance; however, it might be noticing that you've now got unpaired memory (the second GB of the 2GB stick), which means that portion of your memory won't operate in dual channel, and may have downgraded your score accordingly.

As K-TRON and powerpack posted, use a real benchmarking app like one of the ones they mentioned if you want to determine whether or not you've lost performance on account of adding the 2GB stick of memory.

 

i dont think its cos of dual channel as there will still be 2gb of mem running in dual channel mode just like when he had 2 1gb sticks

 

Surprisingly, he is still running in a form of 'dual-channel' with a 3GB kit (2GB + 1GB sticks). If the motherboard supports Asynchronous dual channel, then he is still getting some benefit over single-channel.

 

Well remember Windows Experience Index test is not testing performance and giving a score. It gathers hardware info then spits out predetermined scores based on a criteria someone at Microsoft for some reasons unknown to us decided. So Shyster1 speculation is as plausible as any. It, as said, does not run any performance tests to return the scores. It may be biased to favor matching sticks. I believe some desktops still need some level of matching, at least within the same channel. Vista Experience likely cannot differentiate and could be reading as single channel. Just thoughts on what could of been a good Idea for both hardware/software developers and consumer's and given it the usual Microsoft good idea bad implementation treatment. Microsoft is, if nothing else, consistent.

 

Lol dude, WEI is the worse indicator for performance, NEVER trust it.
More RAM= better performance for apps that need it.

 

leaftye try the passmark performance test in both ram configurations. the test in my opinion is very reliable