Intel Xeon E5645

Intel Xeon E5645

About processor

The Intel Xeon E5645 processor is an excellent choice for server platforms that require powerful performance and efficiency. With a total of 6 cores and 12 threads, this processor is capable of handling heavy workloads and multitasking with ease. The 32nm technology ensures that it delivers fast and reliable performance while maintaining low power consumption. The base frequency of 2.4 GHz and the max turbo frequency of 2.666 GHz provide a good balance between power and efficiency, making it suitable for a wide range of server applications. The 12MB of L3 cache further enhances its performance by providing quick access to frequently used data. With a TDP of 80W, the Intel Xeon E5645 is also relatively power-efficient, making it a cost-effective choice for businesses looking to minimize their energy consumption and operating costs. The Geekbench 6 scores of 425 for single-core performance and 3117 for multi-core performance demonstrate its ability to handle demanding workloads and deliver exceptional overall performance. In conclusion, the Intel Xeon E5645 processor is a reliable and efficient option for server platforms, offering excellent performance, power efficiency, and multitasking capabilities.

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

Benchmarks

Geekbench 6
Single Core Score
425
Geekbench 6
Multi Core Score
3117
Geekbench 5
Single Core Score
508
Geekbench 5
Multi Core Score
4597
Passmark CPU
Single Core Score
1148
Passmark CPU
Multi Core Score
4998

Compared to Other CPU

Geekbench 6 Single Core
495 +16.5%
461 +8.5%
395 -7.1%
362 -14.8%
Geekbench 6 Multi Core
3599 +15.5%
3378 +8.4%
3117
2942 -5.6%
2669 -14.4%
Geekbench 5 Single Core
538 +5.9%
493 -3%
476 -6.3%
Geekbench 5 Multi Core
5044 +9.7%
4804 +4.5%
4597
4354 -5.3%
Passmark CPU Single Core
1264 +10.1%
1205 +5%
1148
1092 -4.9%
1046 -8.9%
Passmark CPU Multi Core
5572 +11.5%
5295 +5.9%
4998
4649 -7%
4424 -11.5%