AMD Zen microarchitecture

URI: https://gptkb.org/entity/AMD_Zen_microarchitecture

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:microprocessor
gptkbp:branchPrediction	improved
gptkbp:coreCount	up to 32 per socket
gptkbp:developer	gptkb:AMD
gptkbp:energyEfficiency	improved over predecessor
gptkbp:firstReleased	2017
gptkbp:hasModel	x86-64
https://www.w3.org/2000/01/rdf-schema#label	AMD Zen microarchitecture
gptkbp:instructionSet	x86-64
gptkbp:L2Cache	up to 64 MB
gptkbp:marketedAs	gptkb:EPYC gptkb:Ryzen gptkb:Threadripper
gptkbp:micro-opCache	yes
gptkbp:notableFeature	gptkb:Infinity_Fabric gptkb:Pure_Power gptkb:Smart_Prefetch gptkb:Precision_Boost gptkb:SenseMI_technology gptkb:XFR_(eXtended_Frequency_Range) modular design support for virtualization simultaneous multithreading large L3 cache hardware encryption support support for DDR4 memory Neural Net Prediction Scalable design chiplet architecture (in later Zen generations) high IPC (instructions per cycle) multi-chip module support support for NVMe support for PCIe 3.0 support for SATA Express support for USB 3.1
gptkbp:predecessor	gptkb:AMD_Bulldozer_microarchitecture
gptkbp:processNode	14nm
gptkbp:successor	gptkb:Zen+_microarchitecture
gptkbp:supports	gptkb:SSE4.2 AES-NI AVX2 FMA3 Simultaneous multithreading (SMT)
gptkbp:usedIn	gptkb:Ryzen_processors gptkb:EPYC_processors gptkb:Threadripper_processors
gptkbp:bfsParent	gptkb:Jim_Keller gptkb:Intel_Advanced_Encryption_Standard_New_Instructions_(AES-NI)
gptkbp:bfsLayer	6