Intel Core i7-4771 vs Intel Core i7-990X
Physique
| Socket | Intel Socket 1150 | Intel Socket 1366 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 22 nm | 32 nm |
| Transistors | 1,400 million | 1,170 million |
| Taille des matrices | 177 mm² | 239 mm² |
| Package | — | FC-LGA10 |
| tCaseMax | 72°C | — |
Performance
| Fréquence | 3.5 GHz | 3.466 GHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 3.733 GHz |
| Base clock | 100 MHz | 133 MHz |
| Multiplicateur | 35.0x | 26.0x |
| Multiplicateur débloqué | No | Yes |
| TDP | 84 W | 130 W |
| Tension | — | 1.375 V |
Architecture
| Marché | Desktop | Desktop |
|---|---|---|
| État de la production | Active | End-of-life |
| Date de sortie | Sep 1st, 2013 | Feb 24th, 2011 |
| Nom de code | Haswell | Gulftown |
| Génération | Core i7 | Core i7 |
| Part | SR1BW | SLBVZ |
| Support mémoire | DDR3 Dual-channel | DDR3 Triple-channel |
| La mémoire du CEC | No | No |
| PCI Express | Gen 3 | Gen 2 |
Cœurs
| Nombre de cœurs | 4 | 6 |
|---|---|---|
| Nombre de threads | 8 | 12 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | 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) |
Caractéristiques
| 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 | — |
Remarques
| Remarques | — | 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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