Intel Core i7-3820 vs Intel Core i7-3940XM
Fisico
| Presa | Intel Socket 2011 | Intel Socket G2 (988B) |
|---|---|---|
| Fonderia | Intel | Intel |
| Dimensione del processo | 32 nm | 22 nm |
| Transistor | 1,270 million | 1,400 million |
| Dimensione stampo | 294 mm² | 160 mm² |
| Pacchetto | FC-LGA10 | FC-PGA12F |
| tCaseMax | 67°C | — |
Prestazione
| Frequenza | 3.6 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.8 GHz | up to 3.9 GHz |
| Clock di base | 100 MHz | 100 MHz |
| Moltiplicatore | 36.0x | 30.0x |
| Moltiplicatore sbloccato | Yes | Yes |
| Voltaggio | 1.35 V | — |
| TDP | 130 W | 55 W |
Architettura
| Mercato | Desktop | Mobile |
|---|---|---|
| Stato di produzione | unknown | End-of-life |
| Data di rilascio | Feb 13th, 2012 | Sep 3rd, 2012 |
| Nome in codice | Sandy Bridge-E | Ivy Bridge |
| Generazione | Core i7 | Core i7 |
| Parte | SR0LD | SR0US |
| Supporto memoria | DDR3 Quad-channel | DDR3 Dual-channel |
| Memoria ECC | No | No |
| PCI Express | Gen 3 | — |
Core
| Numero di core | 4 | 4 |
|---|---|---|
| Numero di threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Grafica integrata | — | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 10MB (shared) | 8MB (shared) |
Note
| Note | This processor comes with an partially unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. The maximum multiplier value is 45. | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz |
|---|
Caratteristiche
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
