Intel Xeon E5-4640 vs. Intel Xeon W3520

CPU Comparison, Reviews and Tests
Intel Xeon E5-4640
Intel Xeon W3520

In depth comparison and review of Intel Xeon E5-4640 and Intel Xeon W3520. 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 E5-4640 vs. Intel Xeon W3520 Benchmark Chart
GENERAL Intel Xeon E5-4640 Intel Xeon W3520
Product Type Processor Processor
Packaged Quantity 2 (specifications are for single item) -
PROCESSOR Intel Xeon E5-4640 Intel Xeon W3520
Type Intel Xeon E5-4640 Intel Xeon W3520
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA8
Compatible Processor Socket LGA2011 Socket LGA1366 Socket
Core Voltage 0.6 V - 1.35 V -
Manufacturing Process 32 nm 45 nm
Thermal Design Power 95 W 130 W
Thermal Specification - 67.9 °C
PCI Express Revision 3.0 -
PCI Express Lanes Qty 40 -
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology 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
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2.4 GHz 2.66 GHz
Max Turbo Speed 2.8 GHz 2.93 GHz
Bus Speed 1600 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 20 MB 8 MB
Cache Memory Details L3 - 16 MB L3 - 8 MB
Installed Size 20 MB 8 MB
Type - Advanced Smart Cache
RAM
Technology - - ECC
EXPANSION & CONNECTIVITY Intel Xeon E5-4640 Intel Xeon W3520
Interfaces - - GT5
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor
MISCELLANEOUS Intel Xeon E5-4640 Intel Xeon W3520
Compliant Standards Halogen-free -
Service & Support - Limited warranty - 90 days
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