Intel Xeon E5640 vs. Intel Xeon E5-1660

CPU Comparison, Reviews and Tests
Intel Xeon E5640
Intel Xeon E5-1660

In depth comparison and review of Intel Xeon E5640 and Intel Xeon E5-1660. 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 E5640 vs. Intel Xeon E5-1660 Benchmark Chart
GENERAL Intel Xeon E5640 Intel Xeon E5-1660
Product Type Processor Processor
PROCESSOR Intel Xeon E5640 Intel Xeon E5-1660
Type Intel Xeon E5640 Intel Xeon E5-1660
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA2011 Socket
Core Voltage 0.8 V - 1.3 V 0.6 V - 1.35 V
Manufacturing Process 32 nm 32 nm
Thermal Design Power 80 W 130 W
Thermal Specification 77.6 °C 64 °C
PCI Express Revision - 3.0
PCI Express Lanes Qty - 40
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology 2.0
PERFORMANCE
Number of Cores Quad-Core 6-core
Number of Threads 8 threads 12 threads
Clock Speed (Frequency) 2.66 GHz 3.3 GHz
Max Turbo Speed 2.93 GHz 3.9 GHz
Bus Speed 1066 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 15 MB
Cache Memory Details L2 - 1 MB Smart Cache - 15 MB
Installed Size 12 MB 15 MB
EXPANSION & CONNECTIVITY Intel Xeon E5640 Intel Xeon E5-1660
Compatible Slots 1 x processor 1 x processor - LGA2011 Socket
MISCELLANEOUS Intel Xeon E5640 Intel Xeon E5-1660
Included Accessories Heat sink Heat sink
Compliant Standards RoHS Lead-Free, halogen-free
Service & Support Limited warranty - 1 year - on-site Limited warranty - 3 years
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