Intel Xeon W3520 vs. Intel Xeon E3-1281V3

CPU Comparison, Reviews and Tests
Intel Xeon W3520
Intel Xeon E3-1281V3

Detailed comparison and review of Intel Xeon W3520 and Intel Xeon E3-1281V3. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Xeon W3520 vs. Intel Xeon E3-1281V3 Benchmark Chart
GENERAL Intel Xeon W3520 Intel Xeon E3-1281V3
Product Type Processor Processor
PROCESSOR Intel Xeon W3520 Intel Xeon E3-1281V3
Type Intel Xeon W3520 Intel Xeon E3-1281V3
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA8 -
Compatible Processor Socket LGA1366 Socket LGA1150 Socket
Manufacturing Process 45 nm 22 nm
Thermal Design Power 130 W 82 W
Thermal Specification 67.9 °C -
PCI Express Revision - 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty - 16
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 SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 2.66 GHz 3.7 GHz
Max Turbo Speed 2.93 GHz 4.1 GHz
Bus Speed 1066 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 8 MB 8 MB
Cache Memory Details L3 - 8 MB L3 - 8 MB
Installed Size 8 MB 8 MB
Type Advanced Smart Cache -
RAM
Installed RAM Size - 32 GB
Technology - ECC -
EXPANSION & CONNECTIVITY Intel Xeon W3520 Intel Xeon E3-1281V3
Interfaces - GT5 -
Compatible Slots 1 x processor 1 x processor - LGA1150 Socket
MISCELLANEOUS Intel Xeon W3520 Intel Xeon E3-1281V3
Compliant Standards - RoHS
Service & Support Limited warranty - 90 days -
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