Intel Core 2 Quad Q8400 vs Intel Core i7-4790K
Fizyczny
| Socket | Intel Socket 775 | Intel Socket 1150 |
|---|---|---|
| Producent | Intel | Intel |
| Rozmiar procesu | 45 nm | 22 nm |
| Tranzystory | 456 million | 1,400 million |
| Rozmiar matrycy | 2x 82 mm² | 177 mm² |
| Pakiet | FC-LGA6 | — |
| tCaseMax | 71°C | 72°C |
Wydajność
| Częstotliwość | 2.666 GHz | 4 GHz |
|---|---|---|
| Zegar turbo | — | up to 4.4 GHz |
| Zegar bazowy | 333 MHz | 100 MHz |
| Mnożnik | 8.0x | 40.0x |
| Mnożnik odblokowany | No | Yes |
| Napięcie | 1.11 V | — |
| TDP | 95 W | 88 W |
Architektura
| Rynek | Desktop | Desktop |
|---|---|---|
| Status produkcji | End-of-life | Active |
| Data wydania | Apr 19th, 2009 | May 1st, 2014 |
| Nazwa kodowa | Yorkfield | Haswell |
| Generacja | Core 2 Quad | Core i7 |
| Część | SLGT6 | unknown |
| Obsługa pamięci | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| Pamięć ECC | No | No |
| PCI Express | Gen 2 | Gen 3 |
Rdzenie
| Liczba rdzeni | 4 | 4 |
|---|---|---|
| Liczba wątków | 4 | 8 |
| SMP # CPUs | 1 | 1 |
| Zintegrowana karta graficzna | — | Intel HD 4600 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 4MB (shared) | 256K (per core) |
| Cache L3 | — | 8MB (shared) |
Cechy
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| Boost 2.0 | — | Yes |
| CLMUL | — | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| TSX | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| iAMT2 | Yes | — |
