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Unbuffered memory modules (UDIMMs) directly expose the memory chip interface to the module connector. Registered or load-reduced variants (RDIMMs/LRDIMMs) use additional active circuitry on the memory module in order to buffer the signals between the memory controller and the DRAM chips. This reduces the capacitive load on the DDR5 bus.
Modules are instead designed to run at different clock frequencies: for example, a PC-1600 module is designed to run at 100 MHz, and a PC-2100 is designed to run at 133 MHz. A module's clock speed designates the data rate at which it is guaranteed to perform, hence it is guaranteed to run at lower ( underclocking ) and can possibly run at ...
Careful usage generally talks about "500 MHz, double data rate" or "1000 MT/s", but many refer casually to a "1000 MHz bus," even though no signal cycles faster than 500 MHz. DDR SDRAM popularized the technique of referring to the bus bandwidth in megabytes per second , the product of the transfer rate and the bus width in bytes.
Core (MHz) Memory (MHz) MOperations/s MPixels/s MVertices/s MTexels/s Size Bandwidth (GB/s) Bus type Bus width Max. Direct3D OpenGL; Radeon X1300 October 5, 2005 (PCIe) December 1, 2005 (AGP) RV515 90 107 100 AGP 8× PCI PCIe ×16 450 250 4:2:4:4 1800 1800 225 1800 128 256 8.0 DDR DDR2 128 9.0c 2.1 $99 (128MB) $129 (256 MB) Radeon X1300
The user-mode drivers as well as the kernel-mode drivers for AMD FirePro products have additional features, and also (not depicted here) additional interfaces. [ 4 ] The FirePro line is designed for compute intensive, multimedia content creation (such as video editors), and mechanical engineering design software (such as CAD programs).
A DIMM (Dual In-Line Memory Module) is a popular type of memory module used in computers. It is a printed circuit board with one or both sides (front and back) holding DRAM chips and pins . [ 1 ] The vast majority of DIMMs are manufactured in compliance with JEDEC memory standards , although there are proprietary DIMMs.
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.
Codenamed Redwood XT, the 5600 series has all five of Redwood's shader engines enabled. As each of them has 80 VLIW-5 units, this gave it 400 stream processors. Reference clocks were 775 MHz for all 5600s, while memory clocks varied between OEMs, as did the use of DDR3 and GDDR5 memory, the latter being twice as fast.