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Old Memory in a New(er) System

Discussion in 'Hardware' started by ilvrckmtlrpcr, Jul 30, 2006.

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  1. ilvrckmtlrpcr

    ilvrckmtlrpcr Thread Starter

    Joined:
    Jul 30, 2006
    Messages:
    3
    Hi, I hav a question regarding RAM (info about my system from CPU-Z is below). My computer uses one 512MB DDR PC3200 CL=3 UNBUFFERED NON-ECC DDR400 2.6V and I hav found a 256MB pc2100 RAM. I want 2 kno whether my computer will hav better performance with just the 512MB PC3200 or with the additional 256MB pc2100. It will be compatible because both are 184-pin, but both will run at the slower pc2100 speed.
    thanks

    ----------------------
    CPU-Z version 1.35
    ----------------------

    CPUID Output
    ------------------------------------------------------------------------------

    Number of CPUs 1
    APIC ID 0
    Name AMD Athlon 64 3400+
    Code name NewCastle
    Specification AMD Athlon(tm) 64 Processor 3400+
    Family/Model/Stepping FC0
    Extended Family/Model F/C
    Brand ID 4
    Package Socket 754
    Core Stepping DH7-CG
    Technology 0.13um
    Instructions Sets MMX, Extended MMX, 3DNow!, Extended 3DNow!, SSE, SSE2, x86-64
    Features NX
    Clock Speed 1807.9 MHz
    Clock multiplier x9.0
    HTT Bus Frequency 200.9 MHz
    P-Rating 3400+
    L1 Data Cache 64 KBytes, 2-way set associative, 64 Bytes line size
    L1 Instruction Cache 64 KBytes, 2-way set associative, 64 Bytes line size
    L2 Cache 512 KBytes, 16-way set associative, 64 Bytes line size
    L2 Speed 1807.9 MHz (Full)
    L2 Location On Chip
    L2 Data Prefetch Logic yes
    L2 Bus Width 128 bits
    Chipset
    ------------------------------------------------------------------------------

    Northbridge SiS 760 rev. 02
    Southbridge SiS 964 rev. 36
    Graphic Interface AGP
    AGP Revision 3.0
    AGP Transfer Rate 8x
    AGP SBA supported, enabled
    Memory Type DDR
    Memory Size 512 MBytes
    Memory Frequency 200.9 MHz (CPU/9)
    CAS# 3.0
    RAS# to CAS# 3
    RAS# Precharge 3
    Cycle Time (tRAS) 8
    Bank Cycle Time (tRC) 11
    DRAM Idle Timer 16
    Command Rate 2T


    Memory SPD
    ------------------------------------------------------------------------------

    DIMM #1

    General
    Memory type DDR
    Manufacturer (ID) Micron Technology (2CFFFFFFFFFFFFFF)
    Size 512 MBytes
    Max bandwidth PC3200 (200 MHz)
    Part number 8VDDT6464AG-40BDB
    Serial number 5C2E4F77
    Manufacturing date Week 29/Year 04

    Attributes
    Number of banks 1
    Data width 64 bits
    Correction None
    Registered no
    Buffered no
    EPP no

    Timings table
    Frequency (MHz) 133 166 200
    CAS# 2.0 2.5 3.0
    RAS# to CAS# delay 2 3 3
    RAS# Precharge 2 3 3
    TRAS 6 7 8
     
  2. 4steve44

    4steve44

    Joined:
    May 3, 2004
    Messages:
    1,544
    You have answered you own question. Slower ram speed=slower system performance:eek:
     
  3. ilvrckmtlrpcr

    ilvrckmtlrpcr Thread Starter

    Joined:
    Jul 30, 2006
    Messages:
    3
    I guess I did answer my own question. What I meant was which setup would show more performance overall?
    thanks
     
  4. steveb1492

    steveb1492

    Joined:
    Nov 4, 2005
    Messages:
    337
    Probably depends on what exactly you are doing with the computer. If you are doing memory-intensive tasks (working with large files, video editing, etc.) where a lot of information has to be stored in the computer's memory, then the added memory would increase performance because less information would be written to the computer's hard drive (page file). Otherwise, the added memory will probably not help (much). Ddr 3200>ddr2100>hdd
     
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