AMD EPYC Embedded 3251 vs AMD Phenom II X2 555 BE
Physique
| Socket | AMD BGA SP4r2 | AMD Socket AM3 |
|---|---|---|
| Fonderie | GlobalFoundries | — |
| Taille du processus | 14 nm | 45 nm |
| Transistors | 4,800 million | 758 million |
| Taille des matrices | 213 mm² | 258 mm² |
| Package | FC-BGASP4r2 | µPGA |
| tCaseMax | 105°C | — |
Performance
| Fréquence | 2.5 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | up to 3.1 GHz | — |
| Base clock | 100 MHz | 200 MHz |
| Multiplicateur | 25.0x | 16.0x |
| Multiplicateur débloqué | Yes | Yes |
| TDP | 50 W | 80 W |
| Tension | — | 1.4 V |
Architecture
| Marché | Server/Workstation | Desktop |
|---|---|---|
| État de la production | Active | End-of-life |
| Date de sortie | Feb 21st, 2018 | Jan 25th, 2010 |
| Nom de code | Zen | Callisto |
| Génération | EPYC Embedded | Phenom II X2 |
| Part | unknown | HDZ555WFK2DGMHDZ555WFGMBOX |
| Support mémoire | DDR4-2666 MHz Dual-channel | DDR3 Dual-channel |
| La mémoire du CEC | Yes | No |
| PCI Express | Gen 3 | Gen 2 |
Cœurs
| Nombre de cœurs | 8 | 2 |
|---|---|---|
| Nombre de threads | 16 | 2 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | — | — |
Cache
| Cache L1 | 96K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 16MB (shared) | 6MB (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. It is branded under the Black Edition label. |
|---|
Caractéristiques
| 3DNow! | Yes | Yes |
|---|---|---|
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| CnQ | Yes | — |
| MMX | Yes | Yes |
| NX bit | Yes | Yes |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | Yes | Yes |
