Key facts
Production status: End-of-life
Release date: 2012-11-01
Cores / Threads: 6 / 12
Base clock: 3500 MHz
Turbo clock: 4000 MHz
TDP: 150 W
Process: 32 nm
Codename: Sandy Bridge-E
Generation: Core i7 Extreme (Sandy Bridge-E)
All available specs
| Field | Value |
|---|---|
| name | Core i7-3970X |
| Socket | Intel Socket 2011 |
| Foundry | Intel |
| Process Size | 32 nm |
| Transistors | 2,270 million |
| Die Size | 435 mm² |
| Package | FC-LGA10 |
| Market | Desktop |
| Production Status | End-of-life |
| Release Date | Nov 1st, 2012 |
| Part# | SR0WR |
| Frequency | 3.5 GHz |
| Turbo Clock | up to 4 GHz |
| Base Clock | 100 MHz |
| Multiplier | 35.0x |
| Multiplier Unlocked | Yes |
| Voltage | 1.35 V |
| Codename | Sandy Bridge-E |
| Generation | Core i7 Extreme (Sandy Bridge-E) |
| Memory Support | DDR3 |
| ECC Memory | No |
| # of Cores | 6 |
| # of Threads | 12 |
| SMP # CPUs | 1 |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 256 KB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, EIST, Intel 64, XD bit, VT-x, VT-d, HTT, AES-NI |
| Notes | 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. |
| Rated Speed | 1600 MT/s |
| Memory Bus | Quad-channel |
| Memory Bandwidth | 51.2 GB/s |
| Launch Price | $990 |
| PCI-Express | Gen 3, 40 Lanes (CPU only) |
| Cache L3 | 15 MB (shared) |
| tCaseMax | 70°C |
| Benchmark rank | 862 |
| Benchmark samples | 341 |
| Benchmark price | 189.88 |
| Benchmark category | Desktop |
| Benchmark socket | LGA2011 |
| Benchmark date | 2012-01-01 |
| Benchmark TDP (W) | 150 |
| Benchmark base (MHz) | 3500 |
| Benchmark turbo (MHz) | 4000 |
| Benchmark cores | 6 |
| Benchmark threads per core | 2 |
| Benchmark threads | 12 |