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In the fourth quarter of 2025, SK Hynix held a DRAM market share of **** percent, while Samsung occupied a market share of ** percent. Micron sat as the third-largest DRAM supplier with a market share of **** percent during the third quarter of 2025.

DRAM market fluctuations

Overall DRAM revenues amounted to **** billion U.S. dollars for the fourth quarter of 2025, up from the **** billion U.S. dollars observed in the previous quarter of 2025. Samsung is the largest manufacturer of DRAM in terms of revenues in the latest recorded quarter.

DRAM vs. SRAM

The primary memory of a computer is called RAM, with the two most used forms of modern RAM being static RAM (SRAM) and dynamic RAM (DRAM). DRAM is a type of volatile memory that, unlike non-volatile flash memory, loses data quickly when cut off from a power supply. Compared to other varieties of volatile memory, DRAM is relatively structurally simple. Whereas SRAM requires four to six transistors per bit, DRAM requires only one transistor and capacitor per bit.