Technology
World’s First GDDR7: Samsung develops Graphics Double Data Rate 7 DRAM
Today, Samsung announced that it has completed the development of the world’s first GDDR7 (Graphics Double Data Rate 7) DRAM. It will first be installed in next-generation systems of key customers for verification this year, driving the future growth of the graphics market.
Samsung 16Gb GDDR7 DRAM will deliver the world’s highest speed yet. The GDDR7 achieves an impressive bandwidth of 1.5-terabytes-per-second (TBps), which is 1.4 times that of GDDR6’s 1.1TBps and features a boosted speed per pin of up to 32Gbps.
The enhancements are made possible by the Pulse Amplitude Modulation (PAM3) signaling method adopted for the new memory standard instead of the Non-Return to Zero (NRZ) from previous generations. PAM3 allows 50% more data to be transmitted than NRZ within the same signaling cycle.
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