Intel Xeon E5645 vs. Intel Xeon L7555

CPU Comparison, Reviews and Tests
Intel Xeon E5645
Intel Xeon L7555

In depth comparison and review of Intel Xeon E5645 and Intel Xeon L7555. 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 E5645 vs. Intel Xeon L7555 Benchmark Chart
GENERAL Intel Xeon E5645 Intel Xeon L7555
Product Type Processor Processor
PROCESSOR Intel Xeon E5645 Intel Xeon L7555
Type Intel Xeon E5645 Intel Xeon L7555
ARCHITECTURE
Processor Qty 1 1
Max Supported Qty 1 -
Compatible Processor Socket LGA1366 Socket LGA1567 Socket
Power Efficiency - Low-Voltage (LV)
Core Voltage 0.75 V - 1.35 V -
Manufacturing Process 32 nm 45 nm
Thermal Design Power 80 W 95 W
Thermal Specification 76.2 °C 70 °C
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology
PERFORMANCE
Number of Cores 6-core 8-core
Number of Threads 12 threads 16 threads
Clock Speed (Frequency) 2.4 GHz 1.87 GHz
Max Turbo Speed 2.67 GHz 2.53 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 24 MB
Cache Memory Details L2 - 6 x 256 KB
L3 - 12 MB		 L3 - 24 MB
Installed Size 12 MB 24 MB
Type Advanced Smart Cache -
EXPANSION & CONNECTIVITY Intel Xeon E5645 Intel Xeon L7555
Compatible Slots 1 x processor 1 x processor - LGA1567 Socket
MISCELLANEOUS Intel Xeon E5645 Intel Xeon L7555
Included Accessories Cooler (fansink) -
Compliant Standards RoHS RoHS
Service & Support 1-year warranty -
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