Intel Xeon E5-2640 vs. Intel Xeon L5520

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Xeon E5-2640 and Intel Xeon L5520. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Xeon E5-2640 vs. Intel Xeon L5520 Benchmark Chart
GENERAL Intel Xeon E5-2640 Intel Xeon L5520
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2640 Intel Xeon L5520
Type Intel Xeon E5-2640 Intel Xeon L5520
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1366 Socket
Power Efficiency - Low-Voltage (LV)
Core Voltage 0.6 V - 1.35 V 0.75 V - 1.35 V
Manufacturing Process 32 nm 45 nm
Thermal Design Power 95 W 60 W
Thermal Specification 73 °C 70 °C
PCI Express Revision 3.0 -
PCI Express Lanes Qty 40 -
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 8 threads
Clock Speed (Frequency) 2.5 GHz 2.26 GHz
Max Turbo Speed 3 GHz -
Bus Speed 1333 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 15 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details Smart Cache - 15 MB L3 - 8 MB
Installed Size 15 MB 8 MB
Type - Advanced Smart Cache
RAM
Installed RAM Size - 1066 MB
Technology - DDR3 SDRAM - 1066 MHz
EXPANSION & CONNECTIVITY Intel Xeon E5-2640 Intel Xeon L5520
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor
MISCELLANEOUS Intel Xeon E5-2640 Intel Xeon L5520
Included Accessories Cooler (fansink) Heat pipe
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 1 year
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