Key facts
Production status: End-of-life
Release date: 2014-11-13
Cores / Threads: 10 / 20
Base clock: 2900 MHz
Turbo clock: 3500 MHz
TDP: 135 W
Process: 22 nm
Codename: Haswell-EP
Generation: Xeon E5 (Haswell-EP)
All available specs
| Field | Value |
|---|---|
| name | Xeon E5-2666 v3 |
| Socket | Intel Socket 2011-3 |
| Foundry | Intel |
| Process Size | 22 nm |
| Transistors | 2,600 million |
| Die Size | 356 mm² |
| Package | FC-LGA12A |
| Market | Server/Workstation |
| Production Status | End-of-life |
| Release Date | Nov 13th, 2014 |
| Part# | SR1Y7 |
| Frequency | 2.9 GHz |
| Turbo Clock | up to 3.5 GHz |
| Base Clock | 100 MHz |
| Multiplier | 29.0x |
| Multiplier Unlocked | No |
| Codename | Haswell-EP |
| Generation | Xeon E5 (Haswell-EP) |
| Memory Support | DDR3, DDR4 |
| ECC Memory | Yes |
| # of Cores | 10 |
| # of Threads | 20 |
| SMP # CPUs | 2 |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 256 KB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.2, AVX, AVX2, EIST, HTT, Intel 64, XD bit, VT-x, VT-d, AES-NI, TSX, TXT, CLMUL, FMA3, F16C, BMI1, BMI2, Boost 2.0, vPro |
| Notes | Amazon OEM Exclusive. |
| Rated Speed | 2133 MT/s |
| Memory Bus | Quad-channel |
| Memory Bandwidth | 68.3 GB/s |
| tJMax | 79°C |
| PCI-Express | Gen 3, 40 Lanes (CPU only) |
| Cache L3 | 25 MB (shared) |
| Chipsets | C612, X99 |
| All Core Turbo | 3.2 GHz |
| QPI Links | 2x 9600MT/s |
| Benchmark rank | 546 |
| Benchmark samples | 128 |
| Benchmark price | 0 |
| Benchmark category | Server |
| Benchmark socket | LGA2011-v3 |
| Benchmark date | 2015-01-01 |
| Benchmark TDP (W) | 135 |
| Benchmark base (MHz) | 2900 |
| Benchmark turbo (MHz) | 3500 |
| Benchmark cores | 10 |
| Benchmark threads per core | 2 |
| Benchmark threads | 20 |