Intel Xeon E5-2689 vs Intel Xeon L5638

Comparative analysis of Intel Xeon E5-2689 and Intel Xeon L5638 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the Intel Xeon E5-2689

  • CPU is newer: launch date 2 year(s) 0 month(s) later
  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • Around 50% higher clock speed: 3.6 GHz vs 2.40 GHz
Launch date 6 Mar 2012 vs March 2010
Number of cores 8 vs 6
Number of threads 16 vs 12
Maximum frequency 3.6 GHz vs 2.40 GHz

Reasons to consider the Intel Xeon L5638

  • Around 63% higher maximum core temperature: 85°C vs 52°C
  • Around 92% lower typical power consumption: 60 Watt vs 115 Watt
Maximum core temperature 85°C vs 52°C
Thermal Design Power (TDP) 60 Watt vs 115 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2689
CPU 2: Intel Xeon L5638

Name Intel Xeon E5-2689 Intel Xeon L5638
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 9.219
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 123.121
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.974
CompuBench 1.5 Desktop - Video Composition (Frames/s) 3.868
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 9.539
PassMark - Single thread mark 944
PassMark - CPU mark 7217

Compare specifications (specs)

Intel Xeon E5-2689 Intel Xeon L5638

Essentials

Architecture codename Sandy Bridge Westmere EP
Launch date 6 Mar 2012 March 2010
Place in performance rating 2151 2148
Processor Number E5-2689 L5638
Vertical segment Server Server
Launch price (MSRP) $90
Price now $69.90
Series Legacy Intel® Xeon® Processors
Status Launched
Value for money (0-100) 23.41

Performance

64 bit support
Base frequency 2.6 GHz 2.00 GHz
Bus Speed 8 GT/s QPI 5.86 GT/s QPI
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 52°C 85°C
Maximum frequency 3.6 GHz 2.40 GHz
Number of cores 8 6
Number of QPI Links 2 2
Number of threads 16 12
VID voltage range 0.6V - 1.35V 1.0 - 1.5V
Die size 239 mm
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 12288 KB (shared)
Transistor count 1170 million

Memory

ECC memory support
Max memory channels 4
Maximum memory bandwidth 51.2 GB/s
Maximum memory size 384 GB
Supported memory types DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600 DDR3

Compatibility

Max number of CPUs in a configuration 2 2
Sockets supported LGA2011 FCLGA1366
Thermal Design Power (TDP) 115 Watt 60 Watt
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 40
PCI Express revision 3.0
PCIe configurations x4, x8, x16
Scalability 2S

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Idle States

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)