Intel Core i7-5557U vs Intel Core i7-875K
Physique
| Socket | Intel BGA 1168 | Intel Socket 1156 |
|---|---|---|
| Fonderie | Intel | Intel |
| Taille du processus | 14 nm | 45 nm |
| Transistors | unknown | 774 million |
| Taille des matrices | unknown | 296 mm² |
| Package | FC-BGA1168 | FC-LGA8 |
| tCaseMax | 105°C | — |
Performance
| Fréquence | 3.1 GHz | 2.933 GHz |
|---|---|---|
| Turbo clock | up to 3.4 GHz | up to 3.6 GHz |
| Base clock | 100 MHz | 133 MHz |
| Multiplicateur | 31.0x | 22.0x |
| Multiplicateur débloqué | No | No |
| TDP | 28 W | 95 W |
| Tension | — | 1.4 V |
Architecture
| Marché | Mobile | Desktop |
|---|---|---|
| État de la production | Active | End-of-life |
| Date de sortie | Mar 1st, 2015 | May 30th, 2010 |
| Nom de code | Broadwell-U | Lynnfield |
| Génération | Core i7 | Core i7 |
| Part | SR26E | SLBS2 |
| Support mémoire | DDR3 | DDR3 Dual-channel |
| La mémoire du CEC | No | No |
| PCI Express | — | Gen 2, 16 Lanes(CPU only) |
Cœurs
| Nombre de cœurs | 2 | 4 |
|---|---|---|
| Nombre de threads | 4 | 8 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | Intel Iris 6100 | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 4MB (shared) | 8MB (shared) |
Remarques
| Remarques | Intel HD frequency: 300-1100MHz | — |
|---|
Caractéristiques
| 64-bit | Yes | — |
|---|---|---|
| ADX | Yes | — |
| EIST | Yes | — |
| HTT | Yes | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| PREFETCHW | Yes | — |
| RDSEED | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| Smart Cache | Yes | — |
| TBT | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | — |
| XD-Bit | — | Yes |
