Intel Xeon E5640 vs. Intel Xeon E3-1220V2

CPU Comparison, Reviews and Tests
Intel Xeon E5640
Intel Xeon E3-1220V2

Side by side comparison and review of Intel Xeon E5640 and Intel Xeon E3-1220V2. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon E5640 vs. Intel Xeon E3-1220V2 Benchmark Chart
GENERAL Intel Xeon E5640 Intel Xeon E3-1220V2
Product Type Processor Processor
PROCESSOR Intel Xeon E5640 Intel Xeon E3-1220V2
Type Intel Xeon E5640 Intel Xeon E3-1220V2
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA1155 Socket
Core Voltage 0.8 V - 1.3 V -
Manufacturing Process 32 nm 22 nm
Thermal Design Power 80 W 69 W
Thermal Specification 77.6 °C -
PCI Express Revision - 3.0
PCI Express Configurations - 1x16+1x4, 1x8+3x4, 2x8+1x4
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology Enhanced SpeedStep technology, Intel Virtualization Technology, 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) 2.66 GHz 3.1 GHz
Max Turbo Speed 2.93 GHz 3.5 GHz
Bus Speed 1066 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 8 MB
Cache Memory Details L2 - 1 MB L3 - 8 MB
Installed Size 12 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E5640 Intel Xeon E3-1220V2
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Xeon E5640 Intel Xeon E3-1220V2
Included Accessories Heat sink Heat pipe
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 90 days
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