Intel Xeon E5-2665 vs. Intel Xeon E5-2643V2

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E5-2665 and Intel Xeon E5-2643V2. 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 E5-2665 vs. Intel Xeon E5-2643V2 Benchmark Chart
GENERAL Intel Xeon E5-2665 Intel Xeon E5-2643V2
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2665 Intel Xeon E5-2643V2
Type Intel Xeon E5-2665 Intel Xeon E5-2643V2
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA2011 Socket
Core Voltage 0.6 V - 1.35 V 0.65 V - 1.30 V
Manufacturing Process 32 nm 22 nm
Thermal Design Power 115 W 130 W
Thermal Specification 81.8 °C 74 °C
PCI Express Revision 3.0 3.0
PCI Express Configurations - X16, x4, x8
PCI Express Lanes Qty 40 40
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores 8-core 6-core
Number of Threads 16 threads 12 threads
Clock Speed (Frequency) 2.4 GHz 3.5 GHz
Max Turbo Speed 3.1 GHz 3.8 GHz
Bus Speed 1600 MHz 1866 MHz
64-bit Computing Yes -
CACHE MEMORY
Cache 20 MB 25 MB
Cache Memory Details Smart Cache - 20 MB 25 MB
Installed Size 20 MB 25 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-2665 Intel Xeon E5-2643V2
Compatible Slots 1 x processor - LGA2011 Socket -
MISCELLANEOUS Intel Xeon E5-2665 Intel Xeon E5-2643V2
Included Accessories Passive heatsink Passive heatsink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year Limited warranty - 1 year
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