Intel Core 2 Quad Q8400 vs. Intel Xeon E5-2643V3

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core 2 Quad Q8400 and Intel Xeon E5-2643V3. 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 Core 2 Quad Q8400 vs. Intel Xeon E5-2643V3 Benchmark Chart
GENERAL Intel Core 2 Quad Q8400 Intel Xeon E5-2643V3
Product Type Processor Processor
PROCESSOR Intel Core 2 Quad Q8400 Intel Xeon E5-2643V3
Type Intel Core 2 Quad Q8400 Intel Xeon E5-2643V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA775 Socket LGA2011-v3 Socket
Core Voltage - 0.65 V - 1.30 V
Manufacturing Process 45 nm 22 nm
Thermal Design Power 95 W 135 W
Thermal Specification 71.4 °C 77 °C
PCI Express Revision - 3.0
PCI Express Configurations - X16, x4, x8
PCI Express Lanes Qty - 40
Architecture Features Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2 Integrated memory controller
PERFORMANCE
Number of Cores Quad-Core 6-core
Number of Threads - 12 threads
Clock Speed (Frequency) 2.66 GHz 3.4 GHz
Max Turbo Speed - 3.7 GHz
Bus Speed 1333 MHz 4800 MHz
64-bit Computing Yes -
CACHE MEMORY
Cache 4 MB 20 MB
Cache Memory Details L2 - 4 MB 20 MB
Installed Size 4 MB 20 MB
EXPANSION & CONNECTIVITY Intel Core 2 Quad Q8400 Intel Xeon E5-2643V3
Compatible Slots 1 x processor - LGA775 Socket -
MISCELLANEOUS Intel Core 2 Quad Q8400 Intel Xeon E5-2643V3
Included Accessories - Additional fan
Compliant Standards - RoHS
Service & Support Limited warranty - 3 years Limited warranty - 1 year
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