Top 500

Intel Xeon E5645

Intel Xeon E5645

Intel Xeon E5645 is a Server processor from Intel. It began to be released in March 2010. The CPU belongs to the Westmere-EP family. It has a frequency of 2.4 GHz. The processor has 6 cores and 12 threads. And the processor is also made using 32 nm technology. Its characteristics, as well as benchmark results, are presented in more detail below.

Top Server CPU: 476

Basic

Label Name
Intel
Platform
Server
Launch Date
March 2010
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 E5645
Code Name
Westmere-EP
Foundry
Intel
Generation
Xeon (Westmere-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).
6
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
12
Performance-core Base Frequency
2.4 GHz
Performance-core Max Turbo Frequency
?
Maximum P-core turbo frequency derived from Intel® Turbo Boost Technology.
2.666 GHz
L1 Cache
64K per core
L2 Cache
256K per core
L3 Cache
12MB shared
Unlocked Multiplier
No
Multiplier
18.0
Bus Frequency
133MHz
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel Socket 1366
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.
32 nm
TDP
80 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.
2
Transistor Count
1.17 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.
3
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

Passmark CPU

Single Core
1156
Multi Core
5046

Performance

Integer Math
Multi Core
20.2 GOps/Sec
Floating Point Math
Multi Core
8.7 GOps/Sec
Find Prime Numbers
Multi Core
27 M Primes/Sec
Random String Sorting
Multi Core
11.1 M Strings/Sec
Data Encryption
Multi Core
1.9 GB/Sec
Data Compression
Multi Core
84.8 MB/Sec
Physics
Multi Core
429 Frames/Sec
Extended Instructions
Multi Core
2.3 B Matrices/Sec
Single Thread
Multi Core
1.2 GOps/Sec
Show more

Geekbench 6

Single Core
423
Multi Core
2568

Geekbench 5

Single Core
490
Multi Core
4373

Compared to Other CPU

11%
3%
17%
Better then 11% CPU over the past year
Better then 3% CPU over the past 3 years
Better then 17% CPU

SiliconCat Rating

476
Ranks 476 among Server CPU on our website
1409
Ranks 1409 among all CPU on our website
Geekbench 6 Single Core
Core i5-3437U
Intel, January 2013
489
Core i7-2640M
Intel, October 2011
454
Xeon E5645
Intel, March 2010
423
Athlon X4 760K
AMD, June 2013
390
Core i5-480M
Intel, January 2011
351
Geekbench 6 Multi Core
Core i5-7300HQ
Intel, January 2017
3013
Xeon E5-2609 v4
Intel, January 2016
2809
Xeon E5645
Intel, March 2010
2568
Core i3-6300T
Intel, July 2015
2341
Xeon E5620
Intel, March 2010
2151
Geekbench 5 Single Core
Core M-5Y51
Intel, October 2014
519
Xeon E5-2630L v2
Intel, September 2013
506
Xeon E5645
Intel, March 2010
490
Core i5-6440EQ
Intel, October 2015
470
Pentium 350
Intel, November 2011
450
Geekbench 5 Multi Core
Core i5-10500
Intel, April 2020
4880
Core i7-9750HF
Intel, April 2019
4617
Xeon E5645
Intel, March 2010
4373
Ryzen 3 4300G
AMD, July 2020
4099
Core i7-7700
Intel, January 2017
3919
Passmark CPU Single Core
Pentium Silver N5030
Intel, November 2019
1256
Core i5-2410M
Intel, January 2011
1201
Xeon E5645
Intel, March 2010
1156
Xeon E5-2609 v3
Intel, September 2014
1097
Pentium G630T
Intel, September 2011
1058
Passmark CPU Multi Core
Xeon E5-2430L
Intel, May 2012
5539
FX-8300
AMD, October 2012
5295
Xeon E5645
Intel, March 2010
5046
Xeon E5-2603 v4
Intel, January 2016
4695
Core i3-7101E
Intel, January 2017
4430