Socket | AMD Socket SP3 | AMD Socket AM4 |
---|---|---|
Foundry | GlobalFoundries | GlobalFoundries |
Process size | 14 nm | 12 nm |
Transistors | 4,800 million | 4,800 million |
Die size | 213 mm² | 192 mm² |
Package | FCLGA-4094 | µOPGA-1331 |
tCaseMax | 81°C | — |
Frequency | 2.1 GHz | 2.8 GHz |
---|---|---|
Turbo clock | up to 2.9 GHz | up to 4 GHz |
Base clock | 100 MHz | 100 MHz |
Multiplier | 21.0x | 28.0x |
Multiplier unlocked | Yes | No |
TDP | 120 W | 65 W |
Vertical Segment | Server/Workstation | Desktop |
---|---|---|
Production status | Active | Active |
Release date | Jun 29th, 2017 | Sep 19th, 2018 |
Codename | Naples | Zen |
Generation | EPYC | Ryzen 7 |
Part | PS7251BFV8SAFPS7251BFAFWOF | unknown |
Memory support | DDR4-2400 MHz Eight-channel | DDR4 Dual-channel |
ECC memory | Yes | No |
PCI Express | Gen 3 | — |
Total Cores | 8 | 8 |
---|---|---|
Total Threads | 16 | 16 |
SMP # CPUs | 2 | 1 |
Integrated graphics | — | — |
Cache L1 | 96K (per core) | 96K (per core) |
---|---|---|
Cache L2 | 512K (per core) | 512K (per core) |
Cache L3 | 32MB (shared) | 16MB (shared) |
Notes | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | — |
---|
ABM | Yes | — |
---|---|---|
ADX | Yes | — |
AES | Yes | Yes |
AMD-V | Yes | Yes |
AMD-Vi | Yes | — |
AMD64 | — | Yes |
AVX | Yes | Yes |
AVX2 | Yes | Yes |
BMI1 | Yes | Yes |
BMI2 | Yes | Yes |
CLMUL | Yes | — |
EMMX | Yes | — |
EVP | — | Yes |
F16C | Yes | Yes |
FMA3 | Yes | Yes |
FPU | Yes | — |
MMX | Yes | Yes |
NX bit | Yes | — |
Precision Boost 2 | — | Yes |
Protected | Yes | — |
RdRand | Yes | — |
Real | Yes | — |
SEV | Yes | — |
SHA | Yes | Yes |
SMAP | — | Yes |
SME | Yes | — |
SMEP | — | Yes |
SMM | Yes | — |
SMT | Yes | Yes |
SSE | Yes | Yes |
SSE2 | Yes | Yes |
SSE3 | Yes | Yes |
SSE4.1 | Yes | Yes |
SSE4.2 | Yes | Yes |
SSE4A | Yes | Yes |
SSSE3 | Yes | Yes |
SenseMi | Yes | — |
TSME | Yes | — |