Intel Core i7-4558U vs Intel Core i7-940
Físico
| Socket | Intel BGA 1168 | Intel Socket 1366 |
|---|---|---|
| Fabricante | Intel | Intel |
| Tamaño del proceso | 22 nm | 45 nm |
| Transistores | 1,300 million | 731 million |
| Tamaño de Die | 118 mm² | 263 mm² |
| Paquete | FC-BGA1168 | FC-LGA8 |
Desempeño
| Frecuencia | 2.8 GHz | 2.933 GHz |
|---|---|---|
| Frecuencia turbo | up to 3.3 GHz | up to 3.2 GHz |
| Frecuencia de reloj base | 100 MHz | 133 MHz |
| Multiplicador | 28.0x | 22.0x |
| Multiplicador desbloqueado | No | No |
| TDP | 28 W | 130 W |
| Voltaje | — | 1.375 V |
Arquitectura
| Mercado | Mobile | Desktop |
|---|---|---|
| Estado de producción | unknown | End-of-life |
| Fecha de publicación | Jun 4th, 2013 | Nov 17th, 2008 |
| Nombre Clave | Haswell-ULT | Bloomfield |
| Generación | Core i7 | Core i7 |
| Parte | SR188 | SLBCK |
| Soporte de memoria | DDR3 | DDR3 Triple-channel |
| Memoria ECC | No | No |
| PCI Express | — | Gen 2 |
Núcleos
| Número de núcleos | 2 | 4 |
|---|---|---|
| Número de hilos | 4 | 8 |
| SMP # CPUs | 1 | 1 |
| Gráficos integrados | Intel HD 5100 | — |
Caché
| Caché L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Caché L2 | 256K (per core) | 256K (per core) |
| Caché L3 | 4MB (shared) | 8MB (shared) |
Características
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| EIST | Yes | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | — |
| TXT | Yes | Yes |
| VT-d | Yes | — |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
