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Memory 2GB DDR3 at 1333 MHz: 8GB DDR3 at 1333 MHz: 8GB DDR3 at 1600 MHz: 4GB DDR3 at 1600 MHz 4GB DDR3L at 1600 MHz: 8GB DDR3L at 1600 MHz: 4GB DDR3L at 1600 MHz 4GB LPDDR3 at 1600 MHz 4GB to 8GB 8GB to 16GB 16GB Storage 128GB SSD: 256GB SSD: 128GB SSD 128GB or 256GB SSD 256GB SSD Multimedia 1.5W x 2 speaker, 1.3M HD Camera: 2W x 2 speaker, 1 ...
With data being transferred 64 bits at a time per memory module, DDR3 SDRAM gives a transfer rate of (memory clock rate) × 4 (for bus clock multiplier) × 2 (for data rate) × 64 (number of bits transferred) / 8 (number of bits in a byte). Thus with a memory clock frequency of 100 MHz, DDR3 SDRAM gives a maximum transfer rate of 6400 MB/s.
To improve throughput, GDDR3 memory transfers 4 bits of data per pin in 2 clock cycles. The GDDR3 interface transfers two 32 bit wide data words per clock cycle from the I/O pins. Corresponding to the 4n-prefetch a single write or read access consists of a 128 bit wide, one-clock-cycle data transfer at the internal memory core and four ...
A 64 bit memory chip die, the SP95 Phase 2 buffer memory produced at IBM mid-1960s, versus memory core iron rings 8GB DDR3 RAM stick with a white heatsink. Random-access memory (RAM; / r æ m /) is a form of electronic computer memory that can be read and changed in any order, typically used to store working data and machine code.
The first DDR4 memory module prototype was manufactured by Samsung and announced in January 2011. [a] Physical comparison of DDR, DDR2, DDR3, and DDR4 SDRAM Front and back of 8 GB [1] DDR4 memory modules. 2005: Standards body JEDEC began working on a successor to DDR3 around 2005, [14] about 2 years before the launch of DDR3 in 2007.
The XPS 15 was released in October 2010 and is a 15.6-inch laptop. Its base price at release is $849 and it can be customized up to the Intel Core i7. It is equipped with a 2010 NVIDIA GT 435M or 420M video card, and can be customized with up to 8 GiB of DDR3 memory. This made it a good gaming laptop for its time.