Intel Core i7-860S vs Intel Core i7-870S
Physical Specifications
| Socket | Intel Socket 1156 | Intel Socket 1156 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 45 nm | 45 nm |
| Transistors | 774 million | 774 million |
| Die size | 296 mm² | 296 mm² |
| Package | FC-LGA6 | FC-LGA8 |
Performance
| Frequency | 2.533 GHz | 2.666 GHz |
|---|---|---|
| Turbo clock | up to 3.466 GHz | up to 3.6 GHz |
| Base clock | 133 MHz | 133 MHz |
| Multiplier | 19.0x | 20.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.4 V | 1.4 V |
| TDP | 82 W | 82 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 7th, 2010 | Jul 19th, 2010 |
| Codename | Lynnfield | Lynnfield |
| Generation | Core i7 | Core i7 |
| Part | SLBLG | SLBQ7 |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 2, 16 Lanes(CPU only) | Gen 2, 16 Lanes(CPU only) |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
Features & Technologies
| EIST | Yes | — |
|---|---|---|
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | — | Yes |
| TBT | — | Yes |
| TXT | Yes | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD-Bit | Yes | Yes |
