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D3 - DDR3; T1 - This is where they mention additional module features if any. 3D graphics is an incredibly bandwidth hungry workload - to the point that high-end GPUs use bandwidth optimized GDDR5 DRAM rather than the less expensive DDR3 used for system memory. isn't it frequency times lines. The specified bandwidth (6400) is the maximum megabytes transferred per second using a 64-bit width. Efficient frequency data bus is 400 MHz. The memory clock is 400MHz. It has a bus frequency of 1000 MHz and a bandwidth of 16000 MB/s. Unbuffered Sandra XI.SP2 Memory Bandwidth - 2.66GHz: Memory Speed: P965 ASUS P5B Dlx: P35 DDR2 ASUS P5K Dlx: P35 DDR3 . To calculate the overall SDRAM performance, peak bandwidth and efficiency must be taken into account. Actual performance between Single Channel vs . RAM UserBenchmarks - 113 Memory Kits Compared The naming convention for DDR, DDR2 and DDR3 modules specifies either a maximum speed (e.g., DDR2-800) or a maximum bandwidth (e.g., PC2-6400). What are the data transfer rates for DDR, DDR2, DDR3 and DDR4 ... PDF Micron DRAM Memory Support for AMD Embedded Platforms The "3200" refers to the module's bandwidth (the maximum amount of data it can transfer each second), which is 3200MB/s, or 3.2GB/s. 2x DDR3. The PINs connectors though increased both in number and height. How is maximum memory bandwidth calculated? The 3870 has 2.13X the memory bandwidth of the latter, which translates into the 36% better performance that we already observed. DDR3-1333 9-9-9 has a Cycle Time of 1.5 ns and a Bit Time of 0.75 ns. PDF White Paper Measuring Memory Bandwidth - Intel When making minor tweaks, I recommend using software like Aida64's memory bandwidth test (cachemem test) to see your gains in performance. Moreover, DDR3-2133 continues to offer twice the bandwidth of DDR3-1066. Crucial DDR3 1333 Memory - Bjorn3D.com If you're one of the people choosing between a 980 Ti and Fury X, if this isn't for 5k or 3x1440p+ monitors then VRAM probably shouldn't factor . This is enabled/disabled through the ORDERING parameter. For dual-processor systems, multiply by two. memory speed will allow for higher frame rates but youll run out of ram faster. prints memory bandwidth across entire memory for each 1GB address range. Our calculated values are checked against thousands of individual user ratings. Memory bandwidth - Wikipedia