As a result, the RTX 5090 features 21.7 MB of L1 cache capacity in total, giving the Blackwell GPU 5.4MB more L1 ... capacity upgrade over Ampere, specifically the L2 cache. The RTX 4090, for ...

“We propose overcoming the memory capacity limitation of GPUs with high-capacity Storage-Class Memory (SCM) and DRAM cache. By significantly increasing the memory capacity with SCM, the GPU can ...