hbm4 memory

NVIDIA’s Vera Rubin NVL72 carries 74.7 TB of directly attached HBM4 and LPDDR5X memory per rack, a figure NVIDIA itself confirms — but the detailed bill-of-materials math behind Wccftech’s claim that memory makes up 62% of a $38,902 “Superchip” does not add up. The Wccftech report, citing a UBS...

AMD’s Instinct MI430X now carries a 288 TFLOPS hardware-based FP64 vector-performance target, a figure that makes it the company’s most aggressive scientific-computing GPU yet—but the more consequential change is that AMD has quietly raised the accelerator’s projected HBM4 bandwidth from 19.6...

Nvidia’s next Vera Rubin AI platform is expected to make it one of the first major deployments of HBM4, the new high-bandwidth stacked memory technology. SK hynix has reportedly secured about 70% of Nvidia’s HBM4 allocation for Rubin, according to Yonhap News Agency, a larger share than earlier...