G Skill Double Capacity 32GB DDR4 RAM

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I only switched to a DDR4 based system late last year close to the peak pricing pf memory, things are finally settling down so as you might expect, manufacturers are looking to supplant DDR4 with the next generation DDR5.

Each iteration of DRAM improves clock speed while reducing power consumption and DDR5 is no different. Over its lifespan, DDR5 is expected to operate at speeds of 4266-6400 MT/s, though we can expect high-end DRAM producers like G.Skill and Corsair to overclock the RAM to go even higher still.

The memory is not just faster but the overall performance has been improved when using the same clock speeds. With 3200 MT/s DDR5 memory offering around 36% more real-world bandwidth than DDR4 modules at the same rate. DDR5 memory is designed to run at speeds of around 4800 MT/s, which when compared to 3200 MT/s DDR4 memory will offer a bandwidth increase of approximately 87%, which is a substantial generation-over-generation gain for DDR5.

Furthermore, with the improvement of fabrication processes, DDR5 is set to support monolithic chip densities of over 16Gb, a change which will allow single DRAM modules to offer larger capacities than before. For example, this could allow systems to run 128GB natively without needing to use double density RAM which has just started to hit the market.

DDR4 DRAM is due to go into production next year but the adoption of the memory into consumer systems may take longer, it is possible that we could see some consumer options available late 2019, but more likely 2020. However, Cadence expects DDR5 to quickly replace DDR4 in both the PC, laptop and mobile market, with a large uptake in market share by 2021 and 2022.

DDR5 market share

As part of the Cadence report, they have shown how mobile RAM has rapidly grown in market share and it now represents close to 50% of all memory, with parity levels expected to hit by 2021.

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