Intel Xeon E5503 vs. Intel Xeon E5520

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Xeon E5503 and Intel Xeon E5520. 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 E5503 vs. Intel Xeon E5520 Benchmark Chart
GENERAL Intel Xeon E5503 Intel Xeon E5520
Product Type Processor Processor
PROCESSOR Intel Xeon E5503 Intel Xeon E5520
Type Intel Xeon E5503 Intel Xeon E5520
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA8
Compatible Processor Socket LGA1366 Socket LGA1366 Socket
Core Voltage 0.75 V - 1.35 V 1.4 V
Manufacturing Process 45 nm 45 nm
Thermal Design Power 80 W 80 W
Thermal Specification 76 °C 76 °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) Hyper-Threading Technology, Intel Intelligent Power Technology, Intel Data Center Manager
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 2 threads 8 threads
Clock Speed (Frequency) 2 GHz 2.26 GHz
Max Turbo Speed - 2.53 GHz
Bus Speed 800 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 4 MB 8 MB
Cache Memory Details Smart Cache - 4 MB Smart Cache - 8 MB
Installed Size 4 MB 8 MB
Type - Advanced Smart Cache
RAM
Technology - DDR3 SDRAM - 1066 MHz
EXPANSION & CONNECTIVITY Intel Xeon E5503 Intel Xeon E5520
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5503 Intel Xeon E5520
Included Accessories Heat sink Heat sink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site 1-year warranty
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