Intel Xeon E5645 processor review

Intel Xeon E5645

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
4863
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 2489
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)