Top 500

Intel Xeon E5-2666 v3

Intel Xeon E5-2666 v3

Intel Xeon E5-2666 v3 is a Server processor from Intel. It began to be released in November 2014. The CPU belongs to the Haswell-EP family. It has a frequency of 2.9 GHz. The processor has 10 cores and 20 threads. And the processor is also made using 22 nm technology. Its characteristics, as well as benchmark results, are presented in more detail below.

Top Server CPU: 246

Basic

Label Name
Intel
Platform
Server
Launch Date
November 2014
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
Xeon E5-2666 v3
Code Name
Haswell-EP
Foundry
Intel
Generation
Xeon E5 (Haswell-EP)

CPU Specifications

Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
10
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
20
Performance-core Base Frequency
2.9 GHz
Performance-core Max Turbo Frequency
?
Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.
3.5 GHz
L1 Cache
64K per core
L2 Cache
256K per core
L3 Cache
25MB shared
Bus Frequency
100MHz
Multiplier
29.0
Unlocked Multiplier
No
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel Socket 2011-3
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
22 nm
TDP
135 W
PCIe Version
?
PCI Express is a high-speed serial computer expansion bus standard used for connecting high-speed components, replacing older standards such as AGP, PCI, and PCI-X. It has gone through multiple revisions and improvements since its initial release. PCIe 1.0 was first introduced in 2002, and in order to meet the growing demand for higher bandwidth, subsequent versions have been released over time.
3
Transistor Count
2.6 billions

Memory Specifications

Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR3
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
4
ECC Memory Support
Yes

GPU Specifications

Integrated Graphics Model
?
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
N/A

Miscellaneous

PCIe Lanes
40

Passmark CPU

Single Core
1971
Multi Core
14325

Performance

Integer Math
Multi Core
58.5 GOps/Sec
Floating Point Math
Multi Core
29.3 GOps/Sec
Find Prime Numbers
Multi Core
57 M Primes/Sec
Random String Sorting
Multi Core
33 M Strings/Sec
Data Encryption
Multi Core
4.2 GB/Sec
Data Compression
Multi Core
245 MB/Sec
Physics
Multi Core
783 Frames/Sec
Extended Instructions
Multi Core
15.3 B Matrices/Sec
Single Thread
Multi Core
2 GOps/Sec
Show more

Geekbench 6

Single Core
711
Multi Core
5905

Geekbench 5

Single Core
892
Multi Core
6451

Blender

153

Compared to Other CPU

11%
3%
57%
Better then 11% CPU over the past year
Better then 3% CPU over the past 3 years
Better then 57% CPU

SiliconCat Rating

246
Ranks 246 among Server CPU on our website
757
Ranks 757 among all CPU on our website
Geekbench 6 Single Core
Xeon E5-2650 v4
Intel, January 2016
845
Core i3-7167U
Intel, January 2017
770
Xeon E5-2666 v3
Intel, November 2014
711
Xeon E5-2643 v2
Intel, September 2013
666
Celeron G3950
Intel, January 2017
623
Geekbench 6 Multi Core
Xeon W-2245
Intel, October 2019
6786
Xeon E5-2643 v4
Intel, January 2016
6339
Xeon E5-2666 v3
Intel, November 2014
5905
Xeon E5-4655 v4
Intel, April 2016
5593
Core i5-1230U
Intel, February 2022
5315
Geekbench 5 Single Core
Ryzen 5 PRO 1500
AMD, June 2017
909
Xeon E5-2666 v3
Intel, November 2014
892
Xeon E3-1245
Intel, April 2011
877
Pentium Gold G5500T
Intel, April 2018
860
Geekbench 5 Multi Core
Ryzen 7 PRO 5750GE
AMD, June 2021
7202
Xeon E5-2652 v3
Intel, September 2014
6755
Xeon E5-2666 v3
Intel, November 2014
6451
Ryzen 5 6600HS
AMD, January 2022
6175
Core i5-14600T
Intel, January 2024
5876
Passmark CPU Single Core
Core i7-7600U
Intel, July 2016
2033
Pentium G4400
Intel, September 2015
2004
Xeon E5-2666 v3
Intel, November 2014
1971
Xeon E5-2680 v4
Intel, January 2016
1951
Ryzen Embedded V1605B
AMD, February 2018
1924
Passmark CPU Multi Core
Ryzen 7 1700X
AMD, March 2017
15670
EPYC 7301
AMD, June 2017
14991
Xeon E5-2666 v3
Intel, November 2014
14325
Core i5-1334U
Intel, January 2023
13659
Core i9-9900T
Intel, April 2019
13224
Blender
Snapdragon X Plus
Qualcomm, April 2024
357
Ryzen 7 5800
AMD, January 2021
210
Xeon E5-2666 v3
Intel, November 2014
153
Xeon E3-1270 v3
Intel, June 2013
75
Core i7-8665U
Intel, April 2019
40