Intel Xeon E5-2665 vs. Intel Xeon E5540

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Xeon E5-2665 and Intel Xeon E5540. 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 E5-2665 vs. Intel Xeon E5540 Benchmark Chart
GENERAL Intel Xeon E5-2665 Intel Xeon E5540
Product Type Processor Processor
PROCESSOR Intel Xeon E5-2665 Intel Xeon E5540
Type Intel Xeon E5-2665 Intel Xeon E5540
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA2011 Socket LGA1366 Socket
Core Voltage 0.6 V - 1.35 V 0.75 V - 1.35 V
Manufacturing Process 32 nm 45 nm
Thermal Design Power 115 W 80 W
Thermal Specification 81.8 °C 76 °C
PCI Express Revision 3.0 -
PCI Express Lanes Qty 40 -
Architecture Features SpeedStep technology, Execute Disable Bit capability, Intel Turbo Boost Technology, Intel Trusted Execution Technology, Intel vPro Technology Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel Dynamic Acceleration
PERFORMANCE
Number of Cores 8-core Quad-Core
Number of Threads 16 threads 8 threads
Clock Speed (Frequency) 2.4 GHz 2.53 GHz
Max Turbo Speed 3.1 GHz 2.8 GHz
Bus Speed 1600 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 20 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details Smart Cache - 20 MB L2 - SLC NAND Flash - 8 MB
Installed Size 20 MB 8 MB
Type - SLC NAND Flash
RAM
Technology - DDR3 SDRAM - 1066 MHz
EXPANSION & CONNECTIVITY Intel Xeon E5-2665 Intel Xeon E5540
Compatible Slots 1 x processor - LGA2011 Socket 1 x processor
MISCELLANEOUS Intel Xeon E5-2665 Intel Xeon E5540
Included Accessories Passive heatsink Heat sink, voltage regulator module
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year Limited warranty - 1 year - on-site
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