It seems NVIDIA is changing up the memory layout for its new GeForce RTX 5090 over the current-gen RTX 5090, with the GB202 "Blackwell" GPU inside, next-gen GDDR7 memory on a huge 512-bit memory bus.

HBM4 shifts from component upgrade to system driver in Nvidia and Samsung’s Rubin strategy for large-scale AI compute ...

Samsung‘s new GDDR7 memory modules are now available, and more options with higher capacities and faster speeds will be released over time. Currently, 3GB modules are available for purchase in China.

TL;DR: Samsung will showcase its 42.5Gbps GDDR7 memory at ISSCC in February 2025, this ultra-fast GDDR7 memory offers significant bandwidth improvements over current models, with potential use in high ...