Intel Xeon E5640 vs. Intel Xeon E5-2640

CPU Comparison, Reviews and Tests
Intel Xeon E5640
Intel Xeon E5-2640

Detailed comparison and review of Intel Xeon E5640 and Intel Xeon E5-2640. 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 E5640 vs. Intel Xeon E5-2640 Benchmark Chart
GENERAL Intel Xeon E5640 Intel Xeon E5-2640
Product Type Processor Processor
PROCESSOR Intel Xeon E5640 Intel Xeon E5-2640
Type Intel Xeon E5640 Intel Xeon E5-2640
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 95 W
Thermal Specification 77.6 °C 73 °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 Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States
PERFORMANCE
Number of Cores Quad-Core 6-core
Number of Threads 8 threads 12 threads
Clock Speed (Frequency) 2.66 GHz 2.5 GHz
Max Turbo Speed 2.93 GHz 3 GHz
Bus Speed 1066 MHz 1333 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 E5-2640
Compatible Slots 1 x processor 1 x processor - LGA2011 Socket
MISCELLANEOUS Intel Xeon E5640 Intel Xeon E5-2640
Included Accessories Heat sink Cooler (fansink)
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 1 year - on-site
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