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Thread: OCZ RAM and timings




  1. #1
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    Well, my friend is finally building a new system (from an old Duron w/ 512MB of SDRAM) with my help. It's going to be a 2.4C o/c'd to 3GHz on a Neo2-PFISR w/ 1GB PC4000 RAM and a 128MB 9800Pro, all in a grey 1080AMG. Right now we're looking heavily at OCZ RAM. All other PC4000 1GB kits are at least $330. OCZ has a performance series that's $280 for a 1GB kit that's at 3-4-4-8. Those are the same timings that Corsair has, but Corsair goes for $327, almost $50 more. The OCZ Gold series PC4000 has 2.5-3-3-7 timings, but they go for around $350. My question is, are the timings worth the extra $70? It seems to me that at that speed, one wouldn't notice it. Anyways, thx for replies, he's ordering parts soon (so we can finish this over x-mas vacation :D ), : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

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    I just recently read in a big memory roundup by someone other than TT that timings really make no difference in real performance applications. They took a bunch of DDR and ran it through a bunch of benchmarks at different timings. You could see a performance increase in SiSoft and synthetic benchs. But Ut2K3 and COD showed almost no FPS drop. So I'd say go with the cheaper stuff. All in All, Ram is Ram, MHZ is the biggest diference.
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  3. #3
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    That's what I thought. I remember reading an article somewhere that said on i865 and i875 chipsets faster timings are out performed by just raising the FSB a few MHz. Never knew if it was true or not. But anyways, its definitely not worth $70. Thx for the reply, : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

  4. #4
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    Quote Originally Posted by Fatguy3
    I just recently read in a big memory roundup by someone other than TT that timings really make no difference in real performance applications. They took a bunch of DDR and ran it through a bunch of benchmarks at different timings. You could see a performance increase in SiSoft and synthetic benchs. But Ut2K3 and COD showed almost no FPS drop. So I'd say go with the cheaper stuff. All in All, Ram is Ram, MHZ is the biggest diference.
    This is not true at all. When it comes to gaming, low latency timings really shine.

    There is a big difference between the slowest (3-4-4-8) and the fastest (2-2-2-5) on current Intel platforms.

    In my own testing, memory clocked at 200mhz (DDR400) 2-2-2-5 is faster than 250mhz 3-4-4-8 when the CPU speed is the same (250), using a divider to change the memory frequency. Many others have had the same results.

    Therefore 5:4 2-2-2-5 is a better option than 1:1 with high latency, as it gets you not only better performance, but doesn't limit your overclock as much.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
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  5. #5
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    I'm with Soulburner on this one. As a general rule, you will see less a performance increase in synthetic tests (like Sandra) and a higher performance boost in gaming titles. Lower latency timings do make a difference.
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  6. #6
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    Wow, that's quite interesting, how come the extra 50MHz doesn't boost it in games? Well, we can order 1GB of Corsair PC3200LL. It's not going in until Friday anyways. Thanks for the last minute save guys , : peace2: Mista K6.

    heh, so that's why you run your system with the 5:4 ratio Soulburner :D . Do all mobos have that option (i.e., his MSI)? :?: Thx
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

  7. #7
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    Well, I went and did some research, Corsair and Kingston Hyper X are the same (both around $250 for 1GB) w/ 2-3-2-6 1T timings. OCZ is also $250, but has 2-2-3-5 1T timings. However, I was reading, and all three operate at 2.6 voltage. If one raised the voltage to 2.7 or 2.75, could any of these pull off lower timings? Thx, : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

  8. #8
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    Probably not lower timings, but it is likely you would be able to clock the memory faster without instability.

    Oh, and I generally run my memory at 2.8v out of habit. OCZ for sure and I believe Corsair come with heat spreaders so you won't have any worries. Dunno about the Kingston stuff though.
    Old age and treachery will overcome youth and skill
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  9. #9
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    Hmm... makes sense then, I guess 1GB in dual channel (2-3-2-5) cant run as low as 512MB in dual channel (2-2-2-5). Ah well, we'll go with the OCZ then. Will the MSI mobo pull a 5:4 ratio? Thx for the reply Darthtanion, : peace2: Mista K6
    Modified Dell 8200 Case:
    -400MHz FSB i850 Intel mobo
    -P4 Williamette Socket 478, 1.9GHz
    -768MB 16-bit PC800 RDRAM
    -MSI GF4 Ti4200 128MB @ 284/581
    -7200 RPM Maxtors: 60GB (2MB) on mobo and 160GB (8MB) on ATA/133 PCI Card
    -Creative Inspire T7700 7.1 Speaker System on an Audigy 2
    -Windows XP Home Edition SP2

    Rock on : peace2: , MiStA K6

  10. #10
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    Quote Originally Posted by Mista K6
    Well, I went and did some research, Corsair and Kingston Hyper X are the same (both around 0 for 1GB) w/ 2-3-2-6 1T timings. OCZ is also 0, but has 2-2-3-5 1T timings. However, I was reading, and all three operate at 2.6 voltage. If one raised the voltage to 2.7 or 2.75, could any of these pull off lower timings? Thx, : peace2: Mista K6
    It would have to have Winbond BH5 chips to pull off lower timings.

    If its Winbond CH5 (95% likely as BH5 is done, not made anymore) the best it can do is 2-3-2-5 (that's RAS to CAS of 3).

    And yes all 865/875 boards with an 800fsb processor in them have the 5:4 ratio available.

    If you want BH5, which is the best stuff you can get and won't have the divider problems CH5 has with 5:4 (you get stuck in the 250's 5:4) you will want specific model numbers.

    These memories carry Winbond BH5 chips:
    OCZ 3500 Platinum Limited Edition
    Kingston HyperX 3200 # KHX3200/256 or KHX3200/512
    Mushkin Black 3500 Level II

    CH5 is good for AMD.....but bad for Intel if you plan on going over 250-255fsb. Mine would do 232mhz in 1:1 mode, but I could not boot over 256 with a divider, which puts the RAM at only 205. I switched to my HyperX BH5 and I now have a screenshot of 292fsb.

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

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