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Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

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  • Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

    2400mhz:
    Newegg.com - G.SKILL Ripjaws Z Series 32GB (4 x 8GB) 240-Pin DDR3 SDRAM DDR3 2400 (PC3 19200) Desktop Memory Model F3-19200CL10Q-32GBZHD

    two similar 2133mhz:
    Newegg.com - G.SKILL Ripjaws X Series 32GB (4 x 8GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model F3-2133C9Q-32GZH
    Newegg.com - G.SKILL Ripjaws X Series 32GB (4 x 8GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000) Desktop Memory Model F3-2133C9Q-32GXH

    Does the 1.65v in the faster ram make a difference?
    Hope to use in a ASUS P9X79 DELUXE that should handle 2400mhz ram (approved for top kit)
    Last edited by nottinmatterz_2day; 03-02-2012, 04:48 PM.
    Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
    2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
    51.1GB/s Aggregate Memory Performance in Sandra
    GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

  • #2
    Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

    thats expensive ram!!!! i thought sb ram voltage should be no higher than 1.5750v? as for original question its hard to say but faster mhz is usually quicker

    how soon do you need this ram? i would wait a while
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/[email protected] 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

    Comment


    • #3
      Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

      I'd say they are likely about the exact same, CAS 10 @ 2400 Vs. CAS 9 @ 2133

      All those kits can likely do each others timings and speeds, with the same voltages per each kit. Like the 2400 kit can do 2133 at said timngs and voltages, and the 2133 can likely do 2400 at said timings and voltages.

      Comment


      • #4
        Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

        Originally posted by wazza300 View Post
        thats expensive ram!!!! i thought sb ram voltage should be no higher than 1.5750v? as for original question its hard to say but faster mhz is usually quicker

        how soon do you need this ram? i would wait a while
        i want top of the line so I don't have to upgrade for year(s)

        LOL, a few days, how long did you want me to wait?
        Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
        2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
        51.1GB/s Aggregate Memory Performance in Sandra
        GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

        Comment


        • #5
          Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

          Well 8GB modules are not really considered top of the line, they are considered some of the larger of those available that's all.

          They are more for usability and functionality when super large amount of memory are needed, there not really something the general users needs or considers as top of the line.

          Comment


          • #6
            Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

            well i use a lot of ram i can use more than 16gb. And I believe I'm correct that a 8gb x4 kit would run faster (quad channel) than a 4gbx8 kit which wouldn't all be loading at the same time after i hit over 16gb of ram or whatever
            Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
            2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
            51.1GB/s Aggregate Memory Performance in Sandra
            GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

            Comment


            • #7
              Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

              That depends on if you have rank and or channel interleaving enabled, then it could be all accessed randomly whenever, so it's hard to say really without playing with some 8GB modules for a while and see how they are.

              I HATE 4GB modules, so I'm sure 8GB ones are even worse! But ya, if you need it, then you need it! I wouldn't pay that much for it though, if I were you I'd buy some cheap 1333Mhz 8GB modules are overclock them!

              Comment


              • #8
                Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                oh yeah i didn't know those things
                why hate? because they're slower than 2gb...?

                expensive usually means better, i know G.Skill is good already
                Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
                2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
                51.1GB/s Aggregate Memory Performance in Sandra
                GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

                Comment


                • #9
                  Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                  Ya, depends on the board and BIOS if you have those options though.

                  Yes, I hate 4GB modules because they are slow, can't overclock as well, and can't tighten down timings - like 2GB modules can do. Expensive can also mean they know someone will buy it just because, it doesn't always mean it's better than the cheaper set that can clock just as well given proper tweaking.

                  Comment


                  • #10
                    Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                    Originally posted by Lsdmeasap View Post
                    Ya, depends on the board and BIOS if you have those options though.

                    Yes, I hate 4GB modules because they are slow, can't overclock as well, and can't tighten down timings - like 2GB modules can do. Expensive can also mean they know someone will buy it just because, it doesn't always mean it's better than the cheaper set that can clock just as well given proper tweaking.
                    well from the benchmarks ive seen gskill z series perform almost top marks
                    Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
                    2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
                    51.1GB/s Aggregate Memory Performance in Sandra
                    GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

                    Comment


                    • #11
                      Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                      Originally posted by nottinmatterz_2day View Post
                      well from the benchmarks ive seen gskill z series perform almost top marks
                      i can recommend a kit that will save you heaps,but keep it hush hush atm,im waiting for my kit to arrive and ill post oc results
                      Gigabyte z77x UP4-TH F11c Modded Bios
                      Intel i7 3770k 24/[email protected] 1.38v Turbo llc +0.165v dvid multithreading enabled
                      Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
                      Thermalright Silver Arrow Cpu Cooler
                      1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
                      1xSamsung f4 HD204UI 2tb hard drive Storage
                      Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
                      Razer Lycosa Keyboard
                      Logitech X-530 5.1 Speakers
                      Lite-On iHAS124-19 24x Sata DVDRW
                      K-World Hybrid DVB-T 210SE Digital T.V Card
                      L.G E2260V L.E.D 1920x1080 Monitor
                      Xfx Pro 750w silver rated Psu 80+
                      Fractal Arc Midi Case

                      http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
                      http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

                      Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
                      Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

                      Comment


                      • #12
                        Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                        Brand names on memory really only come down to the service of the company (Tech support, forums, RMA service, ect), and of course heatsink and PCB quality. I mean many of the kits out by any brand are all using the same chips and PCB's too often, so benchmarks on any similar kit is going to be the same when pushed by the same person on the same hardware.

                        Comment


                        • #13
                          Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                          ah. my desired item is now out of stock ever since 10min before i was ready to buy :(
                          Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
                          2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
                          51.1GB/s Aggregate Memory Performance in Sandra
                          GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

                          Comment


                          • #14
                            Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                            Saved you some cash! Now, go find the same size kit rated at 1333Mhz and you'll be set!

                            Comment


                            • #15
                              Re: Which is Faster? CAS 10 DDR3 2400Mhz or CAS 9 DDR3 2133Mhz?

                              Originally posted by Lsdmeasap View Post
                              Saved you some cash! Now, go find the same size kit rated at 1333Mhz and you'll be set!
                              I haven't seen much testing at these ram speeds
                              Asus P979X Deluxe with 3930K @ 4.7Ghz 102.2x46
                              2133Mhz Ram OC to 2180.4Mhz 4x8GB Ripjaws Z
                              51.1GB/s Aggregate Memory Performance in Sandra
                              GTX 570 (EVGA) w/2.5GB @ 850Mhz/1700/2100Mhz @ 1.063v

                              Comment

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