Intel Core i7-4771 vs Intel Core i7-990X
Físico
| Socket | Intel Socket 1150 | Intel Socket 1366 |
|---|---|---|
| Fabricante | Intel | Intel |
| Tamaño del proceso | 22 nm | 32 nm |
| Transistores | 1,400 million | 1,170 million |
| Tamaño de Die | 177 mm² | 239 mm² |
| Paquete | — | FC-LGA10 |
| tCaseMax | 72°C | — |
Desempeño
| Frecuencia | 3.5 GHz | 3.466 GHz |
|---|---|---|
| Frecuencia turbo | up to 3.9 GHz | up to 3.733 GHz |
| Frecuencia de reloj base | 100 MHz | 133 MHz |
| Multiplicador | 35.0x | 26.0x |
| Multiplicador desbloqueado | No | Yes |
| TDP | 84 W | 130 W |
| Voltaje | — | 1.375 V |
Arquitectura
| Mercado | Desktop | Desktop |
|---|---|---|
| Estado de producción | Active | End-of-life |
| Fecha de publicación | Sep 1st, 2013 | Feb 24th, 2011 |
| Nombre Clave | Haswell | Gulftown |
| Generación | Core i7 | Core i7 |
| Parte | SR1BW | SLBVZ |
| Soporte de memoria | DDR3 Dual-channel | DDR3 Triple-channel |
| Memoria ECC | No | No |
| PCI Express | Gen 3 | Gen 2 |
Núcleos
| Número de núcleos | 4 | 6 |
|---|---|---|
| Número de hilos | 8 | 12 |
| SMP # CPUs | 1 | 1 |
| Gráficos integrados | Intel HD 4600 | — |
Caché
| Caché L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Caché L2 | 256K (per core) | 256K (per core) |
| Caché L3 | 8MB (shared) | 12MB (shared) |
Características
| AES-NI | Yes | — |
|---|---|---|
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| Boost 2.0 | Yes | — |
| CLMUL | Yes | — |
| EIST | Yes | — |
| F16C | Yes | — |
| FMA3 | 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 | — |
| TSX | Yes | — |
| TXT | Yes | — |
| VT-d | Yes | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
| vPro | Yes | — |
Notas
| Notas | — | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. |
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