Intel Core i7-3820 vs Intel Core i7-3940XM
Fizyczny
| Socket | Intel Socket 2011 | Intel Socket G2 (988B) |
|---|---|---|
| Producent | Intel | Intel |
| Rozmiar procesu | 32 nm | 22 nm |
| Tranzystory | 1,270 million | 1,400 million |
| Rozmiar matrycy | 294 mm² | 160 mm² |
| Pakiet | FC-LGA10 | FC-PGA12F |
| tCaseMax | 67°C | — |
Wydajność
| Częstotliwość | 3.6 GHz | 3 GHz |
|---|---|---|
| Zegar turbo | up to 3.8 GHz | up to 3.9 GHz |
| Zegar bazowy | 100 MHz | 100 MHz |
| Mnożnik | 36.0x | 30.0x |
| Mnożnik odblokowany | Yes | Yes |
| Napięcie | 1.35 V | — |
| TDP | 130 W | 55 W |
Architektura
| Rynek | Desktop | Mobile |
|---|---|---|
| Status produkcji | unknown | End-of-life |
| Data wydania | Feb 13th, 2012 | Sep 3rd, 2012 |
| Nazwa kodowa | Sandy Bridge-E | Ivy Bridge |
| Generacja | Core i7 | Core i7 |
| Część | SR0LD | SR0US |
| Obsługa pamięci | DDR3 Quad-channel | DDR3 Dual-channel |
| Pamięć ECC | No | No |
| PCI Express | Gen 3 | — |
Rdzenie
| Liczba rdzeni | 4 | 4 |
|---|---|---|
| Liczba wątków | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Zintegrowana karta graficzna | — | 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) |
Uwagi
| Uwagi | 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 |
|---|
Cechy
| 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 |
