Intel Xeon E5503 vs. Intel Xeon E5-2603

CPU Comparison, Reviews and Tests
Intel Xeon E5503
Intel Xeon E5-2603

Detailed comparison and review of Intel Xeon E5503 and Intel Xeon E5-2603. 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 E5-2603 Benchmark Chart
GENERAL Intel Xeon E5503 Intel Xeon E5-2603
Product Type Processor Processor
PROCESSOR Intel Xeon E5503 Intel Xeon E5-2603
Type Intel Xeon E5503 Intel Xeon E5-2603
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA2011 Socket
Core Voltage 0.75 V - 1.35 V 0.6 V - 1.35 V
Manufacturing Process 45 nm 32 nm
Thermal Design Power 80 W 80 W
Thermal Specification 76 °C 70 °C
PCI Express Revision - 3.0
PCI Express Lanes Qty - 40
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) SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Trusted Execution Technology, Intel vPro Technology
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 2 threads 4 threads
Clock Speed (Frequency) 2 GHz 1.8 GHz
Bus Speed 800 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 4 MB 10 MB
Cache Memory Details Smart Cache - 4 MB Smart Cache - 10 MB
Installed Size 4 MB 10 MB
EXPANSION & CONNECTIVITY Intel Xeon E5503 Intel Xeon E5-2603
Compatible Slots 1 x processor 1 x processor - LGA2011 Socket
MISCELLANEOUS Intel Xeon E5503 Intel Xeon E5-2603
Included Accessories Heat sink Heat sink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site Limited warranty - 1 year - on-site
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