Intel Core i7-4771 vs Intel Core i7-990X
Fisico
| Presa | Intel Socket 1150 | Intel Socket 1366 |
|---|---|---|
| Fonderia | Intel | Intel |
| Dimensione del processo | 22 nm | 32 nm |
| Transistor | 1,400 million | 1,170 million |
| Dimensione stampo | 177 mm² | 239 mm² |
| Pacchetto | — | FC-LGA10 |
| tCaseMax | 72°C | — |
Prestazione
| Frequenza | 3.5 GHz | 3.466 GHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 3.733 GHz |
| Clock di base | 100 MHz | 133 MHz |
| Moltiplicatore | 35.0x | 26.0x |
| Moltiplicatore sbloccato | No | Yes |
| TDP | 84 W | 130 W |
| Voltaggio | — | 1.375 V |
Architettura
| Mercato | Desktop | Desktop |
|---|---|---|
| Stato di produzione | Active | End-of-life |
| Data di rilascio | Sep 1st, 2013 | Feb 24th, 2011 |
| Nome in codice | Haswell | Gulftown |
| Generazione | Core i7 | Core i7 |
| Parte | SR1BW | SLBVZ |
| Supporto memoria | DDR3 Dual-channel | DDR3 Triple-channel |
| Memoria ECC | No | No |
| PCI Express | Gen 3 | Gen 2 |
Core
| Numero di core | 4 | 6 |
|---|---|---|
| Numero di threads | 8 | 12 |
| SMP # CPUs | 1 | 1 |
| Grafica integrata | Intel HD 4600 | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 12MB (shared) |
Caratteristiche
| 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 | — |
Note
| Note | — | 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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