
Instinct MI350 and MI400 Series
AMD's data-center GPU line. MI350-series (CDNA 4), led by MI355X (288 GB HBM3E, 8 TB/s, up to 10.1 PFLOPS MXFP4, 1,400 W TBP), is the generation shipping into 2026 and the volume driver of Instinct revenue. MI400-series (CDNA 5), launched July 23, 2026, splits into MI455X for frontier AI and AI factories (432 GB HBM4, 23.3 TB/s, up to 40 PFLOPS FP4, 320 billion transistors) and MI430X for HPC and sovereign AI (up to 288 TFLOPS FP64). ROCm and ROCm.ai are the software stack.








