AMD EPYC Embedded 3251 vs AMD Phenom II X2 555 BE
Fizyczny
| Socket | AMD BGA SP4r2 | AMD Socket AM3 |
|---|---|---|
| Producent | GlobalFoundries | — |
| Rozmiar procesu | 14 nm | 45 nm |
| Tranzystory | 4,800 million | 758 million |
| Rozmiar matrycy | 213 mm² | 258 mm² |
| Pakiet | FC-BGASP4r2 | µPGA |
| tCaseMax | 105°C | — |
Wydajność
| Częstotliwość | 2.5 GHz | 3.2 GHz |
|---|---|---|
| Zegar turbo | up to 3.1 GHz | — |
| Zegar bazowy | 100 MHz | 200 MHz |
| Mnożnik | 25.0x | 16.0x |
| Mnożnik odblokowany | Yes | Yes |
| TDP | 50 W | 80 W |
| Napięcie | — | 1.4 V |
Architektura
| Rynek | Server/Workstation | Desktop |
|---|---|---|
| Status produkcji | Active | End-of-life |
| Data wydania | Feb 21st, 2018 | Jan 25th, 2010 |
| Nazwa kodowa | Zen | Callisto |
| Generacja | EPYC Embedded | Phenom II X2 |
| Część | unknown | HDZ555WFK2DGMHDZ555WFGMBOX |
| Obsługa pamięci | DDR4-2666 MHz Dual-channel | DDR3 Dual-channel |
| Pamięć ECC | Yes | No |
| PCI Express | Gen 3 | Gen 2 |
Rdzenie
| Liczba rdzeni | 8 | 2 |
|---|---|---|
| Liczba wątków | 16 | 2 |
| SMP # CPUs | 1 | 1 |
| Zintegrowana karta graficzna | — | — |
Cache
| Cache L1 | 96K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 16MB (shared) | 6MB (shared) |
Uwagi
| Uwagi | 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. |
|---|
Cechy
| 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 |
