AMD EPYC 7451 vs AMD EPYC 7551
Physique
| Socket | AMD Socket SP3 | AMD Socket SP3 |
|---|---|---|
| Fonderie | GlobalFoundries | GlobalFoundries |
| Taille du processus | 14 nm | 14 nm |
| Transistors | 4,800 million | 4,800 million |
| Taille des matrices | 213 mm² | 213 mm² |
| Package | FCLGA-4094 | FCLGA-4094 |
| tCaseMax | 81°C | 81°C |
Performance
| Fréquence | 2.3 GHz | 2000 MHz |
|---|---|---|
| Turbo clock | up to 3.2 GHz | up to 3 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplicateur | 23.0x | 20.0x |
| Multiplicateur débloqué | Yes | Yes |
| TDP | 180 W | 180 W |
Architecture
| Marché | Server/Workstation | Server/Workstation |
|---|---|---|
| État de la production | Active | Active |
| Date de sortie | Jun 29th, 2017 | Jun 29th, 2017 |
| Nom de code | Naples | Naples |
| Génération | EPYC | EPYC |
| Part | PS7451BDVHCAF | PS7551BDVIHAF |
| Support mémoire | DDR4-2666 MHz Eight-channel | DDR4-2666 MHz Eight-channel |
| La mémoire du CEC | Yes | Yes |
| PCI Express | Gen 3 | Gen 3 |
Cœurs
| Nombre de cœurs | 24 | 32 |
|---|---|---|
| Nombre de threads | 48 | 64 |
| SMP # CPUs | 2 | 2 |
| Cartes graphiques intégrées | — | — |
Cache
| Cache L1 | 96K (per core) | 96K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 64MB (shared) | 64MB (shared) |
Remarques
| Remarques | 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. |
|---|
Caractéristiques
| 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 |
