Key facts
Production status: End-of-life
Release date: 2011-02-14
Cores / Threads: 6 / 12
Base clock: 2133 MHz
Turbo clock: 2667 MHz
TDP: 60 W
Process: 32 nm
Codename: Westmere-EP
Generation: Xeon (Westmere-EP)
All available specs
| Field | Value |
|---|---|
| name | Xeon L5639 |
| Socket | Intel Socket 1366 |
| Foundry | Intel |
| Process Size | 32 nm |
| Transistors | 1,170 million |
| Die Size | 239 mm² |
| Package | FC-LGA10 |
| Market | Server/Workstation |
| Production Status | End-of-life |
| Release Date | Feb 14th, 2011 |
| Part# | SLBZJ |
| Frequency | 2.133 GHz |
| Turbo Clock | up to 2.667 GHz |
| Base Clock | 133 MHz |
| Multiplier | 16.0x |
| Multiplier Unlocked | No |
| Voltage | 1.35 V |
| Codename | Westmere-EP |
| Generation | Xeon (Westmere-EP) |
| Memory Support | DDR3 |
| ECC Memory | Yes |
| # of Cores | 6 |
| # of Threads | 12 |
| SMP # CPUs | 2 |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 256 KB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, HTT, EIST, XD-Bit, VT-x, VT-c, VT-d, TXT, AES-NI, x8 SDDC, TBT 1.0 |
| Notes | OEM Exclusive. |
| Rated Speed | 1333 MT/s |
| Memory Bus | Triple-channel |
| Memory Bandwidth | 32.0 GB/s |
| PCI-Express | Gen 2 |
| Cache L3 | 12 MB (shared) |
| tCaseMax | 69°C |
| All Core Turbo | 2.4 GHz |
| QPI Link | 2x 5.86 GT/s |
| Benchmark rank | 1428 |
| Benchmark samples | 16 |
| Benchmark price | 0 |
| Benchmark category | Server |
| Benchmark socket | LGA1366 |
| Benchmark date | 2013-07-01 |
| Benchmark TDP (W) | 60 |
| Benchmark base (MHz) | 2130 |
| Benchmark turbo (MHz) | 2667 |
| Benchmark cores | 6 |
| Benchmark threads per core | 2 |
| Benchmark threads | 12 |