Intel Core i7-2700K vs Intel Core i7-3940XM
Physical Specifications
| Socket | Intel Socket 1155 | Intel Socket G2 (988B) |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 22 nm |
| Transistors | 1,160 million | 1,400 million |
| Die size | 216 mm² | 160 mm² |
| Package | FC-LGA10 | FC-PGA12F |
Performance
| Frequency | 3.5 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 3.9 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 35.0x | 30.0x |
| Multiplier unlocked | Yes | Yes |
| TDP | 95 W | 55 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Oct 24th, 2011 | Sep 3rd, 2012 |
| Codename | Sandy Bridge | Ivy Bridge |
| Generation | Core i7 | Core i7 |
| Part | SR0DG | SR0US |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 3, 16 Lanes(CPU only) | — |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 3000 | Intel HD 4000 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
Notes
| Notes | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | 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 |
|---|
Features & Technologies
| 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 |
