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• #1 Overlocker veterán

  Új Válasz 2007-05-23 11:31:01 #1

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  Overlocker

  veterán

  Mivel a kompatibilis lapok már megjelentek és pár ddr3es ram teszt is kering a neten úgy döntöttem itt az ideje megnyitni a topic-ot. Ahogy az első hsz folyamatosan szerkesztve lesz, a fontosabb info-kkal!
  
  
  The memory comes with a promise of a power consumption reduction of 40% compared to current commercial DDR2 modules, due to DDR3's 90 nm fabrication technology, allowing for lower operating currents and voltages (1.5 V, compared to DDR2's 1.8 V or DDR's 2.5 V). ''Dual-gate'' transistors will be used to reduce leakage of current.
  
  DDR3's prefetch buffer width is 8 bit, whereas DDR2's is 4 bit, and DDR's is 2 bit.
  
  
  Chips
  
  * DDR3-800 : DDR3-SDRAM memory chips specified to run at 100 MHz, I/O clock at 400 MHz
  
  * DDR3-1066: DDR3-SDRAM memory chips specified to run at 133 MHz, I/O clock at 533 MHz
  
  * DDR3-1333: DDR3-SDRAM memory chips specified to run at 166 MHz, I/O clock at 667 MHz
  
  * DDR3-1600: DDR3-SDRAM memory chips specified to run at 200 MHz, I/O clock at 800 MHz
  
  
  Sticks/Modules
  
  * PC3-6400: DDR3-SDRAM memory stick specified to run at 400 MHz using
  DDR3-800 chips, 6.40 GB/s bandwidth
  
  * PC3-8500: DDR3-SDRAM memory stick specified to run at 533 MHz using
  DDR3-1066 chips, 8.53 GB/s bandwidth
  
  * PC3-10600: DDR3-SDRAM memory stick specified to run at 667 MHz using
  DDR3-1333 chips, 10.67 GB/s bandwidth
  
  * PC3-12800: DDR3-SDRAM memory stick specified to run at 800 MHz using
  DDR3-1600 chips, 12.80 GB/s bandwidth
  
  Features
  
  DDR3 SDRAM Components:
  
  * Introduction of asynchronous RESET pin
  * Support of system level flight time compensation
  * On-DIMM Mirror friendly DRAM ballout
  * Introduction of CWL (CAS Write Latency) per speed bin
  * On-die IO calibration engine
  * READ and WRITE calibration
  
  DDR3 Modules:
  
  * Fly-by command/address/control bus with On-DIMM termination
  * High precision calibration resistors
  
  Advantages compared to DDR2
  
  * Higher bandwidth (up to 1600 MHz)
  * Performance increase at low power
  * Longer battery life in laptops
  * Enhanced low power features and thermal design
  
  Disadvantages compared to DDR2
  
  * Commonly higher CAS Latency
  * Lower MFIBS per Quad Cycle
  
  
  
  
  
  
  
  
  
  
  
  DDR3 ramok,chippek--> [link]

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