Original Xeon E5-2666V3 E5 2666v3 E5 2666 v3 2.9 GHz Used Ten-Core Twenty-Thread CPU Processor 25M 135W LGA 2011-3

General information

Type

CPU / Microprocessor

Market segment

Server

Family

Model number  ? 

CPU part number

• CM8064401675902 is an OEM/tray microprocessor

Frequency ? 

2900 MHz

Maximum turbo frequency

3500 MHz (1 core)
3200 MHz (all cores)

Bus speed ? 

5 GT/s DMI

Clock multiplier ? 

29

Package

2011-land Flip-Chip Land Grid Array

Socket

Socket 2011-3 / R3 / LGA2011-3

Size

2.07″ x 1.77″ / 5.25cm x 4.5cm

Introduction date

January 2015

S-spec numbers

Architecture / Microarchitecture

Microarchitecture

Haswell

Platform

Grantley-EP

Processor core  ? 

Haswell-EP

Manufacturing process

0.022 micron

Data width

64 bit

The number of CPU cores

10

The number of threads

20

Floating Point Unit

Integrated

Level 1 cache size  ? 

10 x 32 KB 8-way set associative instruction caches
10 x 32 KB 8-way set associative data caches

Level 2 cache size ? 

10 x 256 KB 8-way set associative caches

Level 3 cache size

25 MB 20-way set associative shared cache

Multiprocessing

Up to 2 processors

Extensions and Technologies

• MMX instructions

• SSE / Streaming SIMD Extensions

• SSE2 / Streaming SIMD Extensions 2

• SSE3 / Streaming SIMD Extensions 3

• SSSE3 / Supplemental Streaming SIMD Extensions 3

• SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4  ? 

• AES / Advanced Encryption Standard instructions

• AVX / Advanced Vector Extensions

• AVX2 / Advanced Vector Extensions 2.0

• BMI / BMI1 + BMI2 / Bit Manipulation instructions

• F16C / 16-bit Floating-Point conversion instructions

• FMA3 / 3-operand Fused Multiply-Add instructions

• EM64T / Extended Memory 64 technology / 64  ? 

• NX / XD / Execute disable bit  ? 

• HT / Hyper-Threading technology  ? 

• VT-x / Virtualization technology  ? 

• VT-d / Virtualization for directed I/O

• TBT 2.0 / Turbo Boost technology 2.0  ? 

• TXT / Trusted Execution technology

Low power features

Enhanced SpeedStep technology  ? 

Integrated peripherals / components

Integrated graphics

None

Memory controller

The number of controllers: 2
Memory channels per controller: 2
Supported memory: DDR4
ECC supported: Yes

Other peripherals

• Direct Media Interface 2.0

• Quick Path Interconnect v1.1 (2 links)

• PCI Express 3.0 interface (40 lanes)

Electrical / Thermal parameters

Thermal Design Power ? 

135 Watt[1]