Intel Xeon E5-2665 vs. Intel Xeon E3-1280V3

CPU Comparison, Reviews and Tests
Intel Xeon E5-2665
Intel Xeon E3-1280V3

Detailed comparison and review of Intel Xeon E5-2665 and Intel Xeon E3-1280V3. 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 E5-2665 vs. Intel Xeon E3-1280V3 Benchmark Chart
GENERAL Intel Xeon E5-2665 Intel Xeon E3-1280V3
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2665 Intel Xeon E3-1280V3
Type Intel Xeon E5-2665 Intel Xeon E3-1280V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1150 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 22 nm
Thermal Design Power 115 W 82 W
Thermal Specification 81.8 °C -
PCI Express Revision 3.0 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty 40 16
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 Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2.4 GHz 3.6 GHz
Max Turbo Speed 3.1 GHz 4 GHz
Bus Speed 1600 MHz 1600 MHz
64-bit Computing Yes -
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details Smart Cache - 20 MB L3 - TLC NAND Flash - 8 MB
Installed Size 20 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-2665 Intel Xeon E3-1280V3
Compatible Slots 1 x processor - LGA2011 Socket -
MISCELLANEOUS Intel Xeon E5-2665 Intel Xeon E3-1280V3
Included Accessories Passive heatsink -
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year -
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