General information | |
---|---|
Launched | 2019 |
Designed by | IBM |
Performance | |
Max. CPU clock rate | 5.2[1] GHz |
Cache | |
L1 cache | 128 KB instruction 128 KB data per core |
L2 cache | 4 MB instruction 4 MB data per core |
L3 cache | 256 MB shared |
Architecture and classification | |
Technology node | 14 nm[1] |
Instruction set | z/Architecture |
Physical specifications | |
Cores |
|
History | |
Predecessor | z14 |
Successor | Telum |
The z15 is a microprocessor made by IBM for their z15 mainframe computers, announced on September 12, 2019.[2]