Intel Xeon E5503 vs. Intel Xeon E5420

CPU Comparison, Reviews and Tests
Intel Xeon E5503
Intel Xeon E5420

In depth comparison and review of Intel Xeon E5503 and Intel Xeon E5420. 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 E5503 vs. Intel Xeon E5420 Benchmark Chart
GENERAL Intel Xeon E5503 Intel Xeon E5420
Product Type Processor Processor
PROCESSOR Intel Xeon E5503 Intel Xeon E5420
Type Intel Xeon E5503 Intel Xeon E5420
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA6
Compatible Processor Socket LGA1366 Socket LGA771 Socket
Core Voltage 0.75 V - 1.35 V 0.85 V - 1.35 V
Manufacturing Process 45 nm 45 nm
Thermal Design Power 80 W 80 W
Thermal Specification 76 °C 67 °C
Architecture Features Enhanced SpeedStep technology, Demand Based Switching, Execute Disable Bit capability, Intel 64 Technology, Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT) 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)
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 2 threads 4 threads
Clock Speed (Frequency) 2 GHz 2.5 GHz
Bus Speed 800 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 4 MB 12 MB
Cache Memory Details Smart Cache - 4 MB L2 - 12 MB
Installed Size 4 MB 12 MB
Type - Advanced Smart Cache
EXPANSION & CONNECTIVITY Intel Xeon E5503 Intel Xeon E5420
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5503 Intel Xeon E5420
Included Accessories Heat sink Alcohol pad, thermal grease
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year - on-site Limited warranty - 1 year - on-site
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