Intel Xeon E5-2643V3 vs. Intel Xeon E3-1280V5

CPU Comparison, Reviews and Tests

Side by side comparison and review of Intel Xeon E5-2643V3 and Intel Xeon E3-1280V5. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon E5-2643V3 vs. Intel Xeon E3-1280V5 Benchmark Chart
GENERAL Intel Xeon E5-2643V3 Intel Xeon E3-1280V5
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2643V3 Intel Xeon E3-1280V5
Type Intel Xeon E5-2643V3 Intel Xeon E3-1280V5
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011-v3 Socket LGA1151 Socket
Core Voltage 0.65 V - 1.30 V -
Manufacturing Process 22 nm 14 nm
Thermal Design Power 135 W 80 W
Thermal Specification 77 °C -
PCI Express Revision 3.0 3.0
PCI Express Configurations X16, x4, x8 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty 40 16
Architecture Features Integrated memory controller Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 8 threads
Clock Speed (Frequency) 3.4 GHz 3.7 GHz
Max Turbo Speed 3.7 GHz 4 GHz
Bus Speed 4800 MHz -
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details 20 MB Smart Cache - 8 MB
Installed Size 20 MB -
MISCELLANEOUS Intel Xeon E5-2643V3 Intel Xeon E3-1280V5
Included Accessories Additional fan -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year -
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