Intel Core i7-3820 vs Intel Core i7-3940XM
Physique
| Socket | Intel Socket 2011 | Intel Socket G2 (988B) |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 32 nm | 22 nm |
| Transistors | 1,270 million | 1,400 million |
| Taille des matrices | 294 mm² | 160 mm² |
| Package | FC-LGA10 | FC-PGA12F |
| tCaseMax | 67°C | — |
Performance
| Fréquence | 3.6 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.8 GHz | up to 3.9 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplicateur | 36.0x | 30.0x |
| Multiplicateur débloqué | Yes | Yes |
| Tension | 1.35 V | — |
| TDP | 130 W | 55 W |
Architecture
| Marché | Desktop | Mobile |
|---|---|---|
| État de la production | unknown | End-of-life |
| Date de sortie | Feb 13th, 2012 | Sep 3rd, 2012 |
| Nom de code | Sandy Bridge-E | Ivy Bridge |
| Génération | Core i7 | Core i7 |
| Part | SR0LD | SR0US |
| Support mémoire | DDR3 Quad-channel | DDR3 Dual-channel |
| La mémoire du CEC | No | No |
| PCI Express | Gen 3 | — |
Cœurs
| Nombre de cœurs | 4 | 4 |
|---|---|---|
| Nombre de threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | — | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 10MB (shared) | 8MB (shared) |
Remarques
| Remarques | 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 |
|---|
Caractéristiques
| 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 |
