Intel Xeon E5645 processor review

Xeon E5645 processor released by Intel; release date: March 2010. At the time of release, the processor cost $294. The processor is designed for server-computers and based on Westmere EP microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 6, threads - 12. Maximum CPU clock speed - 2.67 GHz. Maximum operating temperature - 76.2°C. Manufacturing process technology - 32 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 12288 KB (shared).

Supported memory types: DDR3 800/1066/1333. Maximum memory size: 288 GB.

Supported socket types: FCLGA1366. Maximum number of processors in a configuration - 2. Power consumption (TDP): 80 Watt.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4870

1178

PassMark
CPU mark

Top 1 CPU

This CPU

156834

9164

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

442

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

2731

CompuBench 1.5 Desktop
Face Detection

Top 1 CPU

This CPU

97.640 mPixels/s

2.308 mPixels/s

CompuBench 1.5 Desktop
Ocean Surface Simulation

Top 1 CPU

This CPU

741.453 Frames/s

49.224 Frames/s

CompuBench 1.5 Desktop
T-Rex

Top 1 CPU

This CPU

4.623 Frames/s

0.623 Frames/s

CompuBench 1.5 Desktop
Video Composition

Top 1 CPU

This CPU

49.002 Frames/s

3.664 Frames/s

CompuBench 1.5 Desktop
Bitcoin Mining

Top 1 CPU

This CPU

218.231 mHash/s

11.094 mHash/s

Name	Value
PassMark - Single thread mark	1178
PassMark - CPU mark	9164
Geekbench 4 - Single Core	442
Geekbench 4 - Multi-Core	2731
CompuBench 1.5 Desktop - Face Detection	2.308 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation	49.224 Frames/s
CompuBench 1.5 Desktop - T-Rex	0.623 Frames/s
CompuBench 1.5 Desktop - Video Composition	3.664 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining	11.094 mHash/s

Specifications (specs)

Essentials
Architecture codename	Westmere EP
Launch date	March 2010
Launch price (MSRP)	$294
Place in performance rating	2488
Price now	$239.95
Processor Number	E5645
Series	Legacy Intel® Xeon® Processors
Status	Launched
Value for money (0-100)	7.96
Vertical segment	Server
Performance
64 bit support
Base frequency	2.40 GHz
Bus Speed	5.86 GT/s QPI
Die size	239 mm
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)
L3 cache	12288 KB (shared)
Manufacturing process technology	32 nm
Maximum core temperature	76.2°C
Maximum frequency	2.67 GHz
Number of cores	6
Number of QPI Links	2
Number of threads	12
Transistor count	1170 million
VID voltage range	0.750V-1.350V

Memory
ECC memory support
Max memory channels	3
Maximum memory bandwidth	32 GB/s
Maximum memory size	288 GB
Supported memory types	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2
Package Size	42.5mm X 45mm
Sockets supported	FCLGA1366
Thermal Design Power (TDP)	80 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)