Intel Xeon E5640 vs Intel Xeon L5506

Comparative analysis of Intel Xeon E5640 and Intel Xeon L5506 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the Intel Xeon E5640

  • CPU is newer: launch date 1 year(s) 0 month(s) later
  • 4 more threads: 8 vs 4
  • Around 38% higher clock speed: 2.93 GHz vs 2.13 GHz
  • Around 11% higher maximum core temperature: 77.6°C vs 70°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • 3x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2x more maximum memory size: 288 GB vs 144 GB
  • Around 29% better performance in PassMark - Single thread mark: 1252 vs 967
  • Around 85% better performance in PassMark - CPU mark: 7455 vs 4019
Specifications (specs)
Launch date March 2010 vs March 2009
Number of threads 8 vs 4
Maximum frequency 2.93 GHz vs 2.13 GHz
Maximum core temperature 77.6°C vs 70°C
Manufacturing process technology 32 nm vs 45 nm
L3 cache 12288 KB (shared) vs 4096 KB (shared)
Maximum memory size 288 GB vs 144 GB
Benchmarks
PassMark - Single thread mark 1252 vs 967
PassMark - CPU mark 7455 vs 4019

Reasons to consider the Intel Xeon L5506

  • Around 33% lower typical power consumption: 60 Watt vs 80 Watt
Thermal Design Power (TDP) 60 Watt vs 80 Watt

Compare benchmarks

CPU 1: Intel Xeon E5640
CPU 2: Intel Xeon L5506

PassMark - Single thread mark
CPU 1
CPU 2
1252
967
PassMark - CPU mark
CPU 1
CPU 2
7455
4019
Name Intel Xeon E5640 Intel Xeon L5506
PassMark - Single thread mark 1252 967
PassMark - CPU mark 7455 4019
Geekbench 4 - Single Core 476
Geekbench 4 - Multi-Core 2185

Compare specifications (specs)

Intel Xeon E5640 Intel Xeon L5506

Essentials

Architecture codename Westmere EP Nehalem EP
Launch date March 2010 March 2009
Launch price (MSRP) $49 $125
Place in performance rating 2220 2234
Price now $59.49 $224
Processor Number E5640 L5506
Series Legacy Intel® Xeon® Processors Legacy Intel® Xeon® Processors
Status Discontinued Launched
Value for money (0-100) 26.06 4.88
Vertical segment Server Server

Performance

64 bit support
Base frequency 2.66 GHz 2.13 GHz
Bus Speed 5.86 GT/s QPI 4.8 GT/s QPI
Die size 239 mm 263 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 12288 KB (shared) 4096 KB (shared)
Manufacturing process technology 32 nm 45 nm
Maximum core temperature 77.6°C 70°C
Maximum frequency 2.93 GHz 2.13 GHz
Number of cores 4 4
Number of QPI Links 2 2
Number of threads 8 4
Transistor count 1170 million 731 million
VID voltage range 0.750V-1.350V 0.75V -1.35V

Memory

ECC memory support
Max memory channels 3 3
Maximum memory bandwidth 25.6 GB/s 19.2 GB/s
Maximum memory size 288 GB 144 GB
Supported memory types DDR3 800/1066 DDR3 800

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 2 2
Package Size 42.5mm X 45mm 42.5mm x 45mm
Sockets supported FCLGA1366 FCLGA1366
Thermal Design Power (TDP) 80 Watt 60 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 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)