Intel Xeon E5420 vs. Intel Xeon L3406

CPU Comparison, Reviews and Tests
Intel Xeon E5420
Intel Xeon L3406

In depth comparison and review of Intel Xeon E5420 and Intel Xeon L3406. 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 E5420 vs. Intel Xeon L3406 Benchmark Chart
GENERAL Intel Xeon E5420 Intel Xeon L3406
Product Type Processor Processor
PROCESSOR Intel Xeon E5420 Intel Xeon L3406
Type Intel Xeon E5420 Intel Xeon L3406
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA6 -
Compatible Processor Socket LGA771 Socket LGA1156 Socket
Power Efficiency - Low-Voltage (LV)
Core Voltage 0.85 V - 1.35 V -
Manufacturing Process 45 nm 32 nm
Thermal Design Power 80 W 30 W
Thermal Specification 67 °C -
PCI Express Revision - 2.0
PCI Express Configurations - 1x16, 2x8
PCI Express Lanes Qty - 16
Architecture Features Enhanced SpeedStep technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) Intel Turbo Boost Technology
PERFORMANCE
Number of Cores Quad-Core Dual-Core
Number of Threads 4 threads 4 threads
Clock Speed (Frequency) 2.5 GHz 2.26 GHz
Max Turbo Speed - 2.53 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 4 MB
Cache Memory Details L2 - 12 MB L3 - TLC NAND Flash - 4 MB
Installed Size 12 MB 4 MB
Type Advanced Smart Cache -
EXPANSION & CONNECTIVITY Intel Xeon E5420 Intel Xeon L3406
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5420 Intel Xeon L3406
Included Accessories Alcohol pad, thermal grease -
Compliant Standards - RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 3 years
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