Intel Xeon E7540 vs. Intel Xeon E5645

CPU Comparison, Reviews and Tests
Intel Xeon E7540
Intel Xeon E5645

In depth comparison and review of Intel Xeon E7540 and Intel Xeon E5645. 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 E7540 vs. Intel Xeon E5645 Benchmark Chart
GENERAL Intel Xeon E7540 Intel Xeon E5645
Product Type Processor Processor
PROCESSOR Intel Xeon E7540 Intel Xeon E5645
Type Intel Xeon E7540 Intel Xeon E5645
ARCHITECTURE
Processor Qty 1 1
Max Supported Qty - 1
Compatible Processor Socket LGA1567 Socket LGA1366 Socket
Core Voltage 1.5 V 0.75 V - 1.35 V
Manufacturing Process 45 nm 32 nm
Thermal Design Power 105 W 80 W
Thermal Specification 64 °C 76.2 °C
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology 2.0 Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores 6-core 6-core
Number of Threads 12 threads 12 threads
Clock Speed (Frequency) 2 GHz 2.4 GHz
Max Turbo Speed 2.27 GHz 2.67 GHz
Bus Speed - 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 18 MB 12 MB
Cache Memory Details L3 - 18 MB L2 - 6 x 256 KB
L3 - 12 MB
Installed Size 18 MB 12 MB
Type - Advanced Smart Cache
EXPANSION & CONNECTIVITY Intel Xeon E7540 Intel Xeon E5645
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E7540 Intel Xeon E5645
Included Accessories - Cooler (fansink)
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 90 days 1-year warranty
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