Intel Core 2 Quad Q8400 vs. Intel Xeon X5647

CPU Comparison, Reviews and Tests
Intel Core 2 Quad Q8400
Intel Xeon X5647

In depth comparison and review of Intel Core 2 Quad Q8400 and Intel Xeon X5647. 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 X5647 Benchmark Chart
GENERAL Intel Core 2 Quad Q8400 Intel Xeon X5647
Product Type Processor Processor
PROCESSOR Intel Core 2 Quad Q8400 Intel Xeon X5647
Type Intel Core 2 Quad Q8400 Intel Xeon X5647
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA775 Socket LGA1366 Socket
Manufacturing Process 45 nm 32 nm
Thermal Design Power 95 W 130 W
Thermal Specification 71.4 °C 80.4 °C
Architecture Features Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Enhanced Halt State (C1E), Intel Thermal Monitor 2 Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads - 8 threads
Clock Speed (Frequency) 2.66 GHz 2.93 GHz
Max Turbo Speed - 3.2 GHz
Bus Speed 1333 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 4 MB 12 MB
Cache Memory Details L2 - 4 MB L2 - 6 x 256 KB
Installed Size 4 MB 12 MB
EXPANSION & CONNECTIVITY Intel Core 2 Quad Q8400 Intel Xeon X5647
Compatible Slots 1 x processor - LGA775 Socket 1 x processor
MISCELLANEOUS Intel Core 2 Quad Q8400 Intel Xeon X5647
Compliant Standards - RoHS
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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