Intel Xeon E3-1220 vs. Intel Xeon E7520

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

In depth comparison and review of Intel Xeon E3-1220 and Intel Xeon E7520. 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 E3-1220 vs. Intel Xeon E7520 Benchmark Chart
GENERAL Intel Xeon E3-1220 Intel Xeon E7520
Product Type Processor Processor
PROCESSOR Intel Xeon E3-1220 Intel Xeon E7520
Type Intel Xeon E3-1220 Intel Xeon E7520
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1155 Socket LGA1567 Socket
Manufacturing Process 32 nm 45 nm
Thermal Design Power 80 W 95 W
Thermal Specification 69.1 °C 70 °C
PCI Express Revision 2.0 -
PCI Express Lanes Qty 20 -
Architecture Features Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 4 threads 8 threads
Clock Speed (Frequency) 3.1 GHz 1.87 GHz
Max Turbo Speed 3.4 GHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 18 MB
Cache Level 1 Size 256 KB -
Cache Memory Details Smart Cache - 8 MB L3 - 18 MB
Installed Size 8 MB 18 MB
EXPANSION & CONNECTIVITY Intel Xeon E3-1220 Intel Xeon E7520
Compatible Slots 1 x processor - LGA1155 Socket 2 x processor
MISCELLANEOUS Intel Xeon E3-1220 Intel Xeon E7520
Included Accessories Heat sink -
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 3 years Limited warranty - 3 years
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