Intel Xeon W3520 vs. Intel Xeon E5-1603V3

CPU Comparison, Reviews and Tests
Intel Xeon W3520
Intel Xeon E5-1603V3

Detailed comparison and review of Intel Xeon W3520 and Intel Xeon E5-1603V3. 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 E5-1603V3 Benchmark Chart
GENERAL Intel Xeon W3520 Intel Xeon E5-1603V3
Product Type Processor Processor
PROCESSOR Intel Xeon W3520 Intel Xeon E5-1603V3
Type Intel Xeon W3520 Intel Xeon E5-1603V3
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA8 -
Compatible Processor Socket LGA1366 Socket LGA2011-v3 Socket
Core Voltage - 0.65 V - 1.30 V
Manufacturing Process 45 nm 22 nm
Thermal Design Power 130 W 140 W
Thermal Specification 67.9 °C 67.1 °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 Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Intel Smart Cache, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel OS Guard
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 2.66 GHz 2.8 GHz
Max Turbo Speed 2.93 GHz -
Bus Speed 1066 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 8 MB 10 MB
Cache Memory Details L3 - 8 MB L3 - 10 MB
Installed Size 8 MB 10 MB
Type Advanced Smart Cache -
RAM
Technology - ECC -
EXPANSION & CONNECTIVITY Intel Xeon W3520 Intel Xeon E5-1603V3
Interfaces - GT5 -
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Xeon W3520 Intel Xeon E5-1603V3
Service & Support Limited warranty - 90 days -
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