Solved Memory frequency Tags: Memory RAM Last response: April 23, 2010 5:22 PM in Memory Share king game April 23, 2010 8:05:46 AM now i have two sticks of 2GB ram each which are 800Mhz can i use a extra 2GB ram that is 666MHz together More about : memory frequency Best solution saint19 a c 163 } Memory April 23, 2010 1:43:11 PM Share Hi. Yeah, u can use it but the performance will drop a little because the 800MHz will only run at 666MHz. Also, the extra 2GB will only run in single channel. exela April 23, 2010 2:58:46 PM Is there any big difference between 800Mhz to 666Mhz ? I don't think it's even noticeable. Related resources I would like to know the frequency of my ram memory from my laptop - Forum Memory frequency and timing being throttled in Windows - Forum Can't change back Memory Frequency , comp won't start up - Forum UEFI Bios Memory Frequency Change! - Forum Error due to changing Memory Frequency - Forum Can't find your answer ? Ask ! Get the answer saint19 a c 163 } Memory April 23, 2010 3:06:51 PM No, the difference is <1%. king game April 23, 2010 5:22:01 PM thx a lot lol the place where i brought they told me it would crash my rig king game April 23, 2010 5:22:13 PM Best answer selected by king game. Can't find your answer ? Ask ! Publish Related resources Memory Frequency : 1066 1333 1600 1866 2133(O C) MHz means????? Forum Memory Frequency supported but OC required? Forum Can someone check if my memory frequency is correct? Forum How to set memory frequency right Forum Help Getting my memory to run at proper frequency Forum Memory frequency & MB Forum Memory Frequency & Processor FSB Forum 1066 ddr2 memory help frequency settings Forum Memory frequency incorrect?? Forum Ddr3 memory 2x2gb 1333 capped at dram frequency 535.8 Forum Memory frequency question Forum Best Motherboard for i7-3770 and GeForce 600 Ti? Forum [Solved] Memory frequency and timings are not properly detected in bios? Forum Memory frequency and CPU overclocking Forum Memory frequency problem Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !