AMD EPYC 7451 vs AMD EPYC 7551
Fisico
| Presa | AMD Socket SP3 | AMD Socket SP3 |
|---|---|---|
| Fonderia | GlobalFoundries | GlobalFoundries |
| Dimensione del processo | 14 nm | 14 nm |
| Transistor | 4,800 million | 4,800 million |
| Dimensione stampo | 213 mm² | 213 mm² |
| Pacchetto | FCLGA-4094 | FCLGA-4094 |
| tCaseMax | 81°C | 81°C |
Prestazione
| Frequenza | 2.3 GHz | 2000 MHz |
|---|---|---|
| Turbo clock | up to 3.2 GHz | up to 3 GHz |
| Clock di base | 100 MHz | 100 MHz |
| Moltiplicatore | 23.0x | 20.0x |
| Moltiplicatore sbloccato | Yes | Yes |
| TDP | 180 W | 180 W |
Architettura
| Mercato | Server/Workstation | Server/Workstation |
|---|---|---|
| Stato di produzione | Active | Active |
| Data di rilascio | Jun 29th, 2017 | Jun 29th, 2017 |
| Nome in codice | Naples | Naples |
| Generazione | EPYC | EPYC |
| Parte | PS7451BDVHCAF | PS7551BDVIHAF |
| Supporto memoria | DDR4-2666 MHz Eight-channel | DDR4-2666 MHz Eight-channel |
| Memoria ECC | Yes | Yes |
| PCI Express | Gen 3 | Gen 3 |
Core
| Numero di core | 24 | 32 |
|---|---|---|
| Numero di threads | 48 | 64 |
| SMP # CPUs | 2 | 2 |
| Grafica integrata | — | — |
Cache
| Cache L1 | 96K (per core) | 96K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 64MB (shared) | 64MB (shared) |
Note
| Note | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. |
|---|
Caratteristiche
| ABM | Yes | Yes |
|---|---|---|
| ADX | Yes | Yes |
| AES | Yes | Yes |
| AMD-V | Yes | Yes |
| AMD-Vi | Yes | Yes |
| AVX | Yes | Yes |
| AVX2 | Yes | Yes |
| BMI1 | Yes | Yes |
| BMI2 | Yes | Yes |
| CLMUL | Yes | Yes |
| EMMX | Yes | Yes |
| F16C | Yes | Yes |
| FMA3 | Yes | Yes |
| FPU | Yes | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | Yes |
| Protected | Yes | Yes |
| RdRand | Yes | Yes |
| Real | Yes | Yes |
| SEV | Yes | Yes |
| SHA | Yes | Yes |
| SME | Yes | Yes |
| SMM | Yes | 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 | Yes |
| TSME | Yes | Yes |
