Zen 2
E653468
Zen 2 is AMD’s second-generation Ryzen/EPYC CPU microarchitecture, known for its 7 nm process, significant IPC gains, and strong multi-core performance in desktops and servers.
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf | CPU microarchitecture ⓘ |
| announcementDate | 2019-05-27 ⓘ |
| architectureType | out-of-order superscalar ⓘ |
| codename |
Matisse (desktop)
NERFINISHED
ⓘ
Renoir (mobile APU, CPU cores) NERFINISHED ⓘ Rome (server) NERFINISHED ⓘ |
| coreDesign |
chiplet architecture
ⓘ
separate CPU core chiplets and I/O die ⓘ |
| developer |
AMD
NERFINISHED
ⓘ
Advanced Micro Devices NERFINISHED ⓘ |
| fabricationProcess |
GlobalFoundries 12 nm I/O die
NERFINISHED
ⓘ
TSMC 7 nm process ⓘ |
| improvementOverPredecessor |
better branch prediction
ⓘ
higher IPC ⓘ higher clock speeds potential ⓘ improved energy efficiency ⓘ improved floating-point performance ⓘ larger L3 cache ⓘ |
| L3CachePerCCX | 16 MB ⓘ |
| L3CachePerChiplet | 32 MB ⓘ |
| launchYear | 2019 ⓘ |
| marketedAs | 7 nm CPU microarchitecture ⓘ |
| marketSegment |
consumer desktop
ⓘ
data center ⓘ enthusiast desktop ⓘ workstation ⓘ |
| maxCoresPerChiplet | 8 ⓘ |
| maxThreadsPerCore | 2 ⓘ |
| notableFeature |
competitive performance with Intel contemporaries
ⓘ
hardware mitigations for some Spectre-class vulnerabilities ⓘ significant performance-per-watt gains ⓘ strong multi-core performance ⓘ |
| partOfSeries | Zen microarchitecture family NERFINISHED ⓘ |
| pipelineType | deep pipeline ⓘ |
| predecessor | Zen+ NERFINISHED ⓘ |
| successor | Zen 3 NERFINISHED ⓘ |
| supports |
AMD-V
NERFINISHED
ⓘ
AVX2 ⓘ DDR4 memory ⓘ FMA3 ⓘ PCI Express 4.0 NERFINISHED ⓘ SMT ⓘ SSE4.2 ⓘ Secure Encrypted Virtualization NERFINISHED ⓘ Secure Memory Encryption ⓘ x86-64 instruction set ⓘ |
| targetPlatform |
HEDT platforms
ⓘ
desktop computers ⓘ mobile platforms ⓘ server computers ⓘ |
| usedIn |
EPYC 7002 series "Rome" processors
NERFINISHED
ⓘ
EPYC 7742 NERFINISHED ⓘ Ryzen 3000 series desktop processors NERFINISHED ⓘ Ryzen 4000 series mobile processors NERFINISHED ⓘ Ryzen 5 3600 NERFINISHED ⓘ Ryzen 5000G series APUs (some models) NERFINISHED ⓘ Ryzen 7 3700X NERFINISHED ⓘ Ryzen 9 3900X NERFINISHED ⓘ Ryzen 9 3950X NERFINISHED ⓘ Ryzen Threadripper 3000 series processors NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.