Intel Core i7-2700K vs Intel Core i7-3820
Physical Specifications
| Socket | Intel Socket 1155 | Intel Socket 2011 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 32 nm |
| Transistors | 1,160 million | 1,270 million |
| Die size | 216 mm² | 294 mm² |
| Package | FC-LGA10 | FC-LGA10 |
| tCaseMax | — | 67°C |
Performance
| Frequency | 3.5 GHz | 3.6 GHz |
|---|---|---|
| Turbo clock | up to 3.9 GHz | up to 3.8 GHz |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 35.0x | 36.0x |
| Multiplier unlocked | Yes | Yes |
| TDP | 95 W | 130 W |
| Voltage | — | 1.35 V |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Oct 24th, 2011 | Feb 13th, 2012 |
| Codename | Sandy Bridge | Sandy Bridge-E |
| Generation | Core i7 | Core i7 |
| Part | SR0DG | SR0LD |
| Memory support | DDR3 Dual-channel | DDR3 Quad-channel |
| ECC memory | No | No |
| PCI Express | Gen 3, 16 Lanes(CPU only) | Gen 3 |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD 3000 | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 10MB (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 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. |
|---|
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 |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
