Intel Xeon E5-4650L vs. Intel Xeon E5420

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E5-4650L and Intel Xeon E5420. 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 E5-4650L vs. Intel Xeon E5420 Benchmark Chart
GENERAL Intel Xeon E5-4650L Intel Xeon E5420
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4650L Intel Xeon E5420
Type Intel Xeon E5-4650L Intel Xeon E5420
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA6
Compatible Processor Socket LGA2011 Socket LGA771 Socket
Power Efficiency Low-Power -
Core Voltage 0.6 V - 1.35 V 0.85 V - 1.35 V
Manufacturing Process 32 nm 45 nm
Thermal Design Power 115 W 80 W
Thermal Specification - 67 °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 Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT) 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)
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 4 threads
Clock Speed (Frequency) 2.6 GHz 2.5 GHz
Max Turbo Speed 3.1 GHz -
Bus Speed 1600 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 20 MB 12 MB
Cache Memory Details Smart Cache - 20 MB L2 - 12 MB
Installed Size 20 MB 12 MB
Type - Advanced Smart Cache
EXPANSION & CONNECTIVITY Intel Xeon E5-4650L Intel Xeon E5420
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor
MISCELLANEOUS Intel Xeon E5-4650L Intel Xeon E5420
Included Accessories - Alcohol pad, thermal grease
Compliant Standards RoHS -
Service & Support - Limited warranty - 1 year - on-site
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