Intel Xeon E3-1280V3 vs. Intel Xeon W3520

CPU Comparison, Reviews and Tests
Intel Xeon E3-1280V3
Intel Xeon W3520

Side by side comparison and review of Intel Xeon E3-1280V3 and Intel Xeon W3520. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon E3-1280V3 vs. Intel Xeon W3520 Benchmark Chart
GENERAL Intel Xeon E3-1280V3 Intel Xeon W3520
Product Type Processor Processor
PROCESSOR Intel Xeon E3-1280V3 Intel Xeon W3520
Type Intel Xeon E3-1280V3 Intel Xeon W3520
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA8
Compatible Processor Socket LGA1150 Socket LGA1366 Socket
Manufacturing Process 22 nm 45 nm
Thermal Design Power 82 W 130 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 SpeedStep technology, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost 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 Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 3.6 GHz 2.66 GHz
Max Turbo Speed 4 GHz 2.93 GHz
Bus Speed 1600 MHz 1066 MHz
64-bit Computing - Yes
CACHE MEMORY
Cache 8 MB 8 MB
Cache Memory Details L3 - TLC NAND Flash - 8 MB L3 - 8 MB
Installed Size 8 MB 8 MB
Type - Advanced Smart Cache
RAM
Technology - - ECC
EXPANSION & CONNECTIVITY Intel Xeon E3-1280V3 Intel Xeon W3520
Interfaces - - GT5
Compatible Slots - 1 x processor
MISCELLANEOUS Intel Xeon E3-1280V3 Intel Xeon W3520
Compliant Standards RoHS -
Service & Support - Limited warranty - 90 days
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