Difference between 1066 and 1333 memory Tags: Corsair Laptops Memory Toshiba Last response: November 7, 2011 10:22 PM in Memory Share simkausar November 7, 2011 9:53:46 PM Hello, I have Toshiba Laptop c655 in which ddr3 1066 MHz is installed can I change 1333 MHz to upgrade More about : difference 1066 1333 memory geofelt a b D Laptop a c 108 } Memory November 7, 2011 10:10:55 PM I suppose you could, but it would be pointless. Your real app speed might change by 1-2%. Adding ram would likely be of benefit if you are a big multitasker, and you have a 64 bit os. m 0 l jsc a b } Memory November 7, 2011 10:22:30 PM geofelt said:I suppose you could, but it would be pointless. Your real app speed might change by 1-2%. If that much. If your laptop is setup for 1066 RAM, faster RAM would just run at 1066 speed. m 0 l Can't find your answer ? Ask ! Publish Related resources Difference between DDR3 PC3-10600 DDR3-1333 1 5V and DDR3 PC3-8500 DDR3-1066 Forum Is there a real difference between 1066 and 1333? Forum Solveddifference between 1333mhz and 1600mhz memory sticks. Forum 1066 & 1333 Memory- How significant is the performance difference? Forum SolvedWhat is the difference between the memory frequency 1333 and 1600 in games Forum SolvedWhat is the difference between DDR2 1066 RAM and it lower speeds? Forum Solvedmemory speed is 1066mhz, but my ram is 1333mhz Forum Solved3.Support for DDR3 2200(OC)/1600/1333/1066 MHz memory modules Forum SolvedMy MOBO says the Memory Speed is (DDR3 1333+ (O.C.)/1066 MHz) Forum SolvedInstalled 1066Mhz memory that reports as 1333Mhz in "About this Mac" Forum SolvedWhat is the difference between a 1333 MHz and a 1600 MHz version of the same company 4 GB RAM? Forum SolvedDifference Between Kvr1333d3n9 And Kvr13n9s8 Forum is the memory ram pc3-12800 compatible to 1333/1066 mobo? Forum SolvedMixing 1066 and 1333 memory sticks Forum SolvedIs there a big difference between 1333 and 1600 ? Forum SolvedHow big a difference between DDR3 1066 and DDR3 2133 Forum SolvedIs there a big difference between 1333 and 1600 mhz ram? Forum SolvedIs there a big difference between 1333 and 1600 mhz ram? Forum SolvedAny major difference between 1600mhz vs 1333mhz Forum 1066 v 1333 FSB - what's the difference? Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !