Intel Core i7-3940XM vs Intel Core i7-8550U
Physique
| Socket | Intel Socket G2 (988B) | Intel BGA 1356 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 22 nm | 14 nm |
| Transistors | 1,400 million | unknown |
| Taille des matrices | 160 mm² | 123 mm² |
| Package | FC-PGA12F | FC-BGA1356 |
| tCaseMax | — | 72°C |
Performance
| Fréquence | 3 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 4 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplicateur | 30.0x | 18.0x |
| Multiplicateur débloqué | Yes | No |
| TDP | 55 W | 15 W |
Architecture
| Marché | Mobile | Mobile |
|---|---|---|
| État de la production | End-of-life | Active |
| Date de sortie | Sep 3rd, 2012 | Aug 21st, 2017 |
| Nom de code | Ivy Bridge | Kaby Lake-R |
| Génération | Core i7 | Core i7 |
| Part | SR0US | SR3LC |
| Support mémoire | DDR3 Dual-channel | DDR4 |
| La mémoire du CEC | No | No |
Cœurs
| Nombre de cœurs | 4 | 4 |
|---|---|---|
| Nombre de threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | Intel HD 4000 | UHD 620 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
Remarques
| Remarques | 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 |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| Boost 2.0 | — | Yes |
| CLMUL | — | Yes |
| EIST | Yes | 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 | Yes |
| TSX | — | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
