SK hynix introduced the “world’s fastest mobile DRAM”, which it calls LPDDR5T. The “T” stands for “Turbo” as the new RAM chips are 13% faster than the LPDDR5X RAM that has recently started appearing on premium devices.
LPDDR5T operates at 9.6Gbps compared to 8.5Gbps for 5X and 6.4Gbps for original LPDDR5. At this speed, the new RAM can process 77GB of data in one second.
Note that 5T is not a new generation of DRAM but rather an improvement of 5X. The chips are based on the 1Anm process, the fourth generation of the 10nm node and use the HKMG (High-K Metal Gate) process which reduces power consumption and increases speed. HKMG for DRAM chips was first introduced by SK with its 5X chips last year.
The company has already sent samples to its partners: 16GB multi-chip packages (which combine several LPDDR5T chips into one package). SK hynix plans to start mass production of 5T RAM in the second half of this year.
The fastest RAM will be in smartphones, of course, but the company also sees applications in AI and AR/VR.
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