Intel Xeon E5540 vs. Intel Xeon L5506

CPU Comparison, Reviews and Tests
Intel Xeon E5540
Intel Xeon L5506

In depth comparison and review of Intel Xeon E5540 and Intel Xeon L5506. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Xeon E5540 vs. Intel Xeon L5506 Benchmark Chart
GENERAL Intel Xeon E5540 Intel Xeon L5506
Product Type Processor Processor
PROCESSOR Intel Xeon E5540 Intel Xeon L5506
Type Intel Xeon E5540 Intel Xeon L5506
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA1366 Socket
Power Efficiency - Low-Voltage (LV)
Core Voltage 0.75 V - 1.35 V -
Manufacturing Process 45 nm 45 nm
Thermal Design Power 80 W 60 W
Thermal Specification 76 °C 70 °C
Architecture Features Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Dynamic Acceleration Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 2.53 GHz 2.13 GHz
Max Turbo Speed 2.8 GHz -
Bus Speed 1066 MHz 800 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 4 MB
Cache Level 1 Size 256 KB -
Cache Memory Details L2 - SLC NAND Flash - 8 MB L2 - 4 MB
Installed Size 8 MB 4 MB
Type SLC NAND Flash Advanced Smart Cache
RAM
Technology DDR3 SDRAM - 1066 MHz DDR3 SDRAM - 800 MHz
EXPANSION & CONNECTIVITY Intel Xeon E5540 Intel Xeon L5506
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5540 Intel Xeon L5506
Included Accessories Heat sink, voltage regulator module Heat pipe
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year - on-site Limited warranty - 1 year
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