Intel Core 2 Quad Q8400S vs Intel Core i5-2557M
Physical Specifications
| Socket | Intel Socket 775 | Intel BGA 1023 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 32 nm |
| Transistors | 456 million | 624 million |
| Die size | 2x 82 mm² | 149 mm² |
| Package | FC-LGA6 | rPGA |
| tCaseMax | 76°C | — |
Performance
| Frequency | 2.666 GHz | 1700 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 333 MHz | 100 MHz |
| Multiplier | 8.0x | 17.0x |
| Multiplier unlocked | No | No |
| Voltage | 0.9 V | — |
| TDP | 65 W | 17 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Apr 19th, 2009 | Jun 1st, 2011 |
| Codename | Yorkfield | Sandy Bridge |
| Generation | Core 2 Quad | Core i5 |
| Part | SLGT7 | SR0CS |
| Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Intel HD 3000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 4MB (shared) | 256K (per core) |
| Cache L3 | — | 3MB (shared) |
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | Yes | Yes |
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | — | Yes |
| Smart Cache | — | Yes |
| TXT | — | Yes |
| Turbo Boost | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| iAMT2 | Yes | — |
