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What is DDR4 RAM? DDR4 SDRAM is an abbreviation for Double Data Rate type four Synchronous Dynamic Random-Access Memory.
Advantages
Its main advantages compared to DDR2 and DDR3 are a higher rate of clock frequencies and data transfers (1600 to 4400 MHz compared to DDR3 from 800Mhz to 2,400MHz),7 the voltage is also lower than its predecessors ( 1.45 to 1.05 for DDR4 and 1.65 to 1.2 for DDR3) DDR4 also signals a change in topology by discarding the dual and triple channel approaches, each memory controller is connected to a single module.8 9
Disadvantages
It is not backward compatible due to differences in voltages, physical interface and other factors. It has a higher latency, which reduces its performance. This loss of performance is compensated for by higher frequencies and transfers, as was the case with previous versions of DDR.
We have RAM DDR4:
DDR5 SDRAM (Double Data Rate type five Synchronous Dynamic Random-Access Memory) is the abbreviation for fifth generation data synchronous dynamic random access memory.12 DDR5 was planned to reduce memory consumption. energy, while doubling the bandwidth from 3.2 GB/s to 6.4 GB/s, also doubling its maximum transfer rate from the 25.6 GB/s of the current DDR4 to a maximum of 51. 2 GB/s and capacity in relation to DDR4 SDRAM. The base frequency for DDR5 RAM is DDR5-4800.
DDR5 allows voltage regulators to be mounted directly on the memory modules themselves instead of having to go on the motherboard 3
The memory size accepted by DDR5-compatible motherboards also increases, going from 12 to 16 channels. This allows us to go from the current 64 GB limit of the main consumer boards to 128 GB of RAM.