AMD EPYC Embedded 3251 vs AMD Phenom II X2 555 BE
Fisico
| Presa | AMD BGA SP4r2 | AMD Socket AM3 |
|---|---|---|
| Fonderia | GlobalFoundries | — |
| Dimensione del processo | 14 nm | 45 nm |
| Transistor | 4,800 million | 758 million |
| Dimensione stampo | 213 mm² | 258 mm² |
| Pacchetto | FC-BGASP4r2 | µPGA |
| tCaseMax | 105°C | — |
Prestazione
| Frequenza | 2.5 GHz | 3.2 GHz |
|---|---|---|
| Turbo clock | up to 3.1 GHz | — |
| Clock di base | 100 MHz | 200 MHz |
| Moltiplicatore | 25.0x | 16.0x |
| Moltiplicatore sbloccato | Yes | Yes |
| TDP | 50 W | 80 W |
| Voltaggio | — | 1.4 V |
Architettura
| Mercato | Server/Workstation | Desktop |
|---|---|---|
| Stato di produzione | Active | End-of-life |
| Data di rilascio | Feb 21st, 2018 | Jan 25th, 2010 |
| Nome in codice | Zen | Callisto |
| Generazione | EPYC Embedded | Phenom II X2 |
| Parte | unknown | HDZ555WFK2DGMHDZ555WFGMBOX |
| Supporto memoria | DDR4-2666 MHz Dual-channel | DDR3 Dual-channel |
| Memoria ECC | Yes | No |
| PCI Express | Gen 3 | Gen 2 |
Core
| Numero di core | 8 | 2 |
|---|---|---|
| Numero di threads | 16 | 2 |
| SMP # CPUs | 1 | 1 |
| Grafica integrata | — | — |
Cache
| Cache L1 | 96K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 16MB (shared) | 6MB (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. It is branded under the Black Edition label. |
|---|
Caratteristiche
| 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 |
