Intel Xeon E5-2643V2 vs. Intel Core 2 Quad Q8400

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Xeon E5-2643V2 and Intel Core 2 Quad Q8400. 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 E5-2643V2 vs. Intel Core 2 Quad Q8400 Benchmark Chart
GENERAL Intel Xeon E5-2643V2 Intel Core 2 Quad Q8400
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2643V2 Intel Core 2 Quad Q8400
Type Intel Xeon E5-2643V2 Intel Core 2 Quad Q8400
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA775 Socket
Core Voltage 0.65 V - 1.30 V -
Manufacturing Process 22 nm 45 nm
Thermal Design Power 130 W 95 W
Thermal Specification 74 °C 71.4 °C
PCI Express Revision 3.0 -
PCI Express Configurations X16, x4, x8 -
PCI Express Lanes Qty 40 -
Architecture Features SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads -
Clock Speed (Frequency) 3.5 GHz 2.66 GHz
Max Turbo Speed 3.8 GHz -
Bus Speed 1866 MHz 1333 MHz
64-bit Computing - Yes
CACHE MEMORY
Cache 25 MB 4 MB
Cache Memory Details 25 MB L2 - 4 MB
Installed Size 25 MB 4 MB
EXPANSION & CONNECTIVITY Intel Xeon E5-2643V2 Intel Core 2 Quad Q8400
Compatible Slots - 1 x processor - LGA775 Socket
MISCELLANEOUS Intel Xeon E5-2643V2 Intel Core 2 Quad Q8400
Included Accessories Passive heatsink -
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year Limited warranty - 3 years
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