Intel Core i7-3940XM vs Intel Core i7-8550U
Fisico
| Presa | Intel Socket G2 (988B) | Intel BGA 1356 |
|---|---|---|
| Fonderia | Intel | Intel |
| Dimensione del processo | 22 nm | 14 nm |
| Transistor | 1,400 million | unknown |
| Dimensione stampo | 160 mm² | 123 mm² |
| Pacchetto | FC-PGA12F | FC-BGA1356 |
| tCaseMax | — | 72°C |
Prestazione
| Frequenza | 3 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 4 GHz |
| Clock di base | 100 MHz | 100 MHz |
| Moltiplicatore | 30.0x | 18.0x |
| Moltiplicatore sbloccato | Yes | No |
| TDP | 55 W | 15 W |
Architettura
| Mercato | Mobile | Mobile |
|---|---|---|
| Stato di produzione | End-of-life | Active |
| Data di rilascio | Sep 3rd, 2012 | Aug 21st, 2017 |
| Nome in codice | Ivy Bridge | Kaby Lake-R |
| Generazione | Core i7 | Core i7 |
| Parte | SR0US | SR3LC |
| Supporto memoria | DDR3 Dual-channel | DDR4 |
| Memoria ECC | No | No |
Core
| Numero di core | 4 | 4 |
|---|---|---|
| Numero di threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Grafica integrata | 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) |
Note
| Note | 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 | — |
|---|
Caratteristiche
| 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 |
