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I have a computer with 2× 1 GB DDR3 1067 MHz RAM modules. Now I bought 2× 2 GB DDR3 1600 MHz modules.
My questions:
- Should I remove the 1 GB modules and use the new ones only (2× 2 GB = 4 GB total)? The new modules are faster and I will keep the dual-channel.
- Should I use all of them (2× 1 GB + 2× 2 GB = 6 GB total)? The thing that worries me is will I lose the dual-channel mode if I connect them like this? Also, won't all the modules run at the lowest frequency (1067 MHz)? Will this decrease my performance a lot?
Which combination of modules will give me the best performance?
Isn't 600mhz a huge difference between the speeds? What do you mean with "critical use"? – Deepsy – 2014-02-20T03:36:27.660
By critical use I mean "used as a server which must not crash/blue-screen/segfault". Theres a comparison of different types/speeds of memory at http://www.anandtech.com/show/6372/memory-performance-16gb-ddr31333-to-ddr32400-on-ivy-bridge-igp-with-gskill/12 - Its important that you look at the various tests and not only the conclusions (the big conclusions graph is likely to be misinterpreted). Alternatively (mark this as a Dupe and) look at http://superuser.com/questions/204694/ram-speed-how-does-it-impact-performance
– davidgo – 2014-02-20T06:39:30.157