Intel Xeon E7520 vs. Intel Xeon E3-1220V3

CPU Comparison, Reviews and Tests
Intel Xeon E7520
Intel Xeon E3-1220V3

Detailed comparison and review of Intel Xeon E7520 and Intel Xeon E3-1220V3. 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 E7520 vs. Intel Xeon E3-1220V3 Benchmark Chart
GENERAL Intel Xeon E7520 Intel Xeon E3-1220V3
Product Type Processor Processor
PROCESSOR Intel Xeon E7520 Intel Xeon E3-1220V3
Type Intel Xeon E7520 Intel Xeon E3-1220V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1567 Socket LGA1150 Socket
Manufacturing Process 45 nm 22 nm
Thermal Design Power 95 W 80 W
Thermal Specification 70 °C -
PCI Express Revision - 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty - 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology 2.0, Thermal Monitoring Technologies, Intel VT-x with Extended Page Tables (EPT)
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 1.87 GHz 3.1 GHz
Max Turbo Speed - 3.5 GHz
64-bit Computing Yes -
CACHE MEMORY
Cache 18 MB 8 MB
Cache Memory Details L3 - 18 MB L3 - 8 MB
Installed Size 18 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E7520 Intel Xeon E3-1220V3
Compatible Slots 2 x processor -
MISCELLANEOUS Intel Xeon E7520 Intel Xeon E3-1220V3
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 3 years Limited warranty - 1 year
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