Intel Xeon E5420 vs. Intel Xeon E3-1240

CPU Comparison, Reviews and Tests
Intel Xeon E5420
Intel Xeon E3-1240

In depth comparison and review of Intel Xeon E5420 and Intel Xeon E3-1240. 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 E5420 vs. Intel Xeon E3-1240 Benchmark Chart
GENERAL Intel Xeon E5420 Intel Xeon E3-1240
Product Type Processor Processor
PROCESSOR Intel Xeon E5420 Intel Xeon E3-1240
Type Intel Xeon E5420 Intel Xeon E3-1240
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA6 -
Compatible Processor Socket LGA771 Socket LGA1155 Socket
Core Voltage 0.85 V - 1.35 V -
Manufacturing Process 45 nm 32 nm
Thermal Design Power 80 W 80 W
Thermal Specification 67 °C 69.1 °C
PCI Express Revision - 2.0
PCI Express Lanes Qty - 20
Architecture Features Enhanced SpeedStep technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 4 threads 8 threads
Clock Speed (Frequency) 2.5 GHz 3.3 GHz
Max Turbo Speed - 3.7 GHz
Bus Speed 1333 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details L2 - 12 MB L2 - 1 MB
L3 - 8 MB
Installed Size 12 MB 8 MB
Type Advanced Smart Cache -
EXPANSION & CONNECTIVITY Intel Xeon E5420 Intel Xeon E3-1240
Compatible Slots 1 x processor 1 x processor - LGA1155 Socket
MISCELLANEOUS Intel Xeon E5420 Intel Xeon E3-1240
Included Accessories Alcohol pad, thermal grease Heat sink
Compliant Standards - RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 3 years
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