Intel Xeon E5649 vs. Intel Xeon E5503

CPU Comparison, Reviews and Tests
Intel Xeon E5649
Intel Xeon E5503

Detailed comparison and review of Intel Xeon E5649 and Intel Xeon E5503. 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 E5649 vs. Intel Xeon E5503 Benchmark Chart
GENERAL Intel Xeon E5649 Intel Xeon E5503
Product Type Processor Processor
PROCESSOR Intel Xeon E5649 Intel Xeon E5503
Type Intel Xeon E5649 Intel Xeon E5503
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA1366 Socket
Core Voltage 0.75 V - 1.35 V 0.75 V - 1.35 V
Manufacturing Process 32 nm 45 nm
Thermal Design Power 80 W 80 W
Thermal Specification 76.2 °C 76 °C
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology 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)
PERFORMANCE
Number of Cores 6-core Dual-Core
Number of Threads 12 threads 2 threads
Clock Speed (Frequency) 2.53 GHz 2 GHz
Max Turbo Speed 2.93 GHz -
Bus Speed 1333 MHz 800 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 4 MB
Cache Memory Details L3 - 12 MB
L2 - 6 x 256 KB		 Smart Cache - 4 MB
Installed Size 12 MB 4 MB
EXPANSION & CONNECTIVITY Intel Xeon E5649 Intel Xeon E5503
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5649 Intel Xeon E5503
Included Accessories Heat sink Heat sink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year Limited warranty - 1 year - on-site
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