Intel Core i7-3940XM vs Intel Core i7-8550U
Fizyczny
| Socket | Intel Socket G2 (988B) | Intel BGA 1356 |
|---|---|---|
| Producent | Intel | Intel |
| Rozmiar procesu | 22 nm | 14 nm |
| Tranzystory | 1,400 million | unknown |
| Rozmiar matrycy | 160 mm² | 123 mm² |
| Pakiet | FC-PGA12F | FC-BGA1356 |
| tCaseMax | — | 72°C |
Wydajność
| Częstotliwość | 3 GHz | 1800 MHz |
|---|---|---|
| Zegar turbo | up to 3.9 GHz | up to 4 GHz |
| Zegar bazowy | 100 MHz | 100 MHz |
| Mnożnik | 30.0x | 18.0x |
| Mnożnik odblokowany | Yes | No |
| TDP | 55 W | 15 W |
Architektura
| Rynek | Mobile | Mobile |
|---|---|---|
| Status produkcji | End-of-life | Active |
| Data wydania | Sep 3rd, 2012 | Aug 21st, 2017 |
| Nazwa kodowa | Ivy Bridge | Kaby Lake-R |
| Generacja | Core i7 | Core i7 |
| Część | SR0US | SR3LC |
| Obsługa pamięci | DDR3 Dual-channel | DDR4 |
| Pamięć ECC | No | No |
Rdzenie
| Liczba rdzeni | 4 | 4 |
|---|---|---|
| Liczba wątków | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Zintegrowana karta graficzna | 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) |
Uwagi
| Uwagi | 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 | — |
|---|
Cechy
| 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 |
