Intel Xeon W3520 vs. Intel Xeon X5647

CPU Comparison, Reviews and Tests
Intel Xeon W3520
Intel Xeon X5647

In depth comparison and review of Intel Xeon W3520 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 Xeon W3520 vs. Intel Xeon X5647 Benchmark Chart
GENERAL Intel Xeon W3520 Intel Xeon X5647
Product Type Processor Processor
PROCESSOR Intel Xeon W3520 Intel Xeon X5647
Type Intel Xeon W3520 Intel Xeon X5647
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA8 -
Compatible Processor Socket LGA1366 Socket LGA1366 Socket
Manufacturing Process 45 nm 32 nm
Thermal Design Power 130 W 130 W
Thermal Specification 67.9 °C 80.4 °C
Architecture Features Enhanced SpeedStep technology, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel I/O Acceleration Technology, streaming SIMD extensions 4 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 8 threads
Clock Speed (Frequency) 2.66 GHz 2.93 GHz
Max Turbo Speed 2.93 GHz 3.2 GHz
Bus Speed 1066 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 12 MB
Cache Memory Details L3 - 8 MB L2 - 6 x 256 KB
Installed Size 8 MB 12 MB
Type Advanced Smart Cache -
RAM
Technology - ECC -
EXPANSION & CONNECTIVITY Intel Xeon W3520 Intel Xeon X5647
Interfaces - GT5 -
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon W3520 Intel Xeon X5647
Compliant Standards - RoHS
Service & Support Limited warranty - 90 days Limited warranty - 3 years
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