Intel Core i7-3820 vs Intel Core i7-3940XM
Físico
| Socket | Intel Socket 2011 | Intel Socket G2 (988B) |
|---|---|---|
| Fabricante | Intel | Intel |
| Tamaño del proceso | 32 nm | 22 nm |
| Transistores | 1,270 million | 1,400 million |
| Tamaño de Die | 294 mm² | 160 mm² |
| Paquete | FC-LGA10 | FC-PGA12F |
| tCaseMax | 67°C | — |
Desempeño
| Frecuencia | 3.6 GHz | 3 GHz |
|---|---|---|
| Frecuencia turbo | up to 3.8 GHz | up to 3.9 GHz |
| Frecuencia de reloj base | 100 MHz | 100 MHz |
| Multiplicador | 36.0x | 30.0x |
| Multiplicador desbloqueado | Yes | Yes |
| Voltaje | 1.35 V | — |
| TDP | 130 W | 55 W |
Arquitectura
| Mercado | Desktop | Mobile |
|---|---|---|
| Estado de producción | unknown | End-of-life |
| Fecha de publicación | Feb 13th, 2012 | Sep 3rd, 2012 |
| Nombre Clave | Sandy Bridge-E | Ivy Bridge |
| Generación | Core i7 | Core i7 |
| Parte | SR0LD | SR0US |
| Soporte de memoria | DDR3 Quad-channel | DDR3 Dual-channel |
| Memoria ECC | No | No |
| PCI Express | Gen 3 | — |
Núcleos
| Número de núcleos | 4 | 4 |
|---|---|---|
| Número de hilos | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Gráficos integrados | — | Intel HD 4000 |
Caché
| Caché L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Caché L2 | 256K (per core) | 256K (per core) |
| Caché L3 | 10MB (shared) | 8MB (shared) |
Notas
| Notas | 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 |
|---|
Características
| 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 |
