Intel Xeon X5660 vs. Intel Xeon E3-1220

CPU Comparison, Reviews and Tests
Intel Xeon X5660
Intel Xeon E3-1220

In depth comparison and review of Intel Xeon X5660 and Intel Xeon E3-1220. 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 X5660 vs. Intel Xeon E3-1220 Benchmark Chart
GENERAL Intel Xeon X5660 Intel Xeon E3-1220
Product Type Processor Processor
PROCESSOR Intel Xeon X5660 Intel Xeon E3-1220
Type Intel Xeon X5660 Intel Xeon E3-1220
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA1155 Socket
Core Voltage 1.3 V -
Manufacturing Process 32 nm 32 nm
Thermal Design Power 95 W 80 W
Thermal Specification 81.3 °C 69.1 °C
PCI Express Revision - 2.0
PCI Express Lanes Qty - 20
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 4 threads
Clock Speed (Frequency) 2.8 GHz 3.1 GHz
Max Turbo Speed 3.2 GHz 3.4 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 8 MB
Cache Level 1 Size 384 KB 256 KB
Cache Memory Details L3 - 12 MB
L2 - 1 MB		 Smart Cache - 8 MB
Installed Size 12 MB 8 MB
RAM
Max Supported Size 288 GB -
Technology DDR3 SDRAM -
EXPANSION & CONNECTIVITY Intel Xeon X5660 Intel Xeon E3-1220
Compatible Slots 1 x processor 1 x processor - LGA1155 Socket
MISCELLANEOUS Intel Xeon X5660 Intel Xeon E3-1220
Included Accessories Heat sink Heat sink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 3 years
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