Intel Xeon E5503 vs. Intel Xeon E3-1280V3

CPU Comparison, Reviews and Tests
Intel Xeon E5503
Intel Xeon E3-1280V3

Side by side comparison and review of Intel Xeon E5503 and Intel Xeon E3-1280V3. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon E5503 vs. Intel Xeon E3-1280V3 Benchmark Chart
GENERAL Intel Xeon E5503 Intel Xeon E3-1280V3
Product Type Processor Processor
PROCESSOR Intel Xeon E5503 Intel Xeon E3-1280V3
Type Intel Xeon E5503 Intel Xeon E3-1280V3
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1366 Socket LGA1150 Socket
Core Voltage 0.75 V - 1.35 V -
Manufacturing Process 45 nm 22 nm
Thermal Design Power 80 W 82 W
Thermal Specification 76 °C -
PCI Express Revision - 3.0
PCI Express Configurations - 1x16, 2x8, 1x8, 2x4
PCI Express Lanes Qty - 16
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, Hyper-Threading Technology, Intel Virtualization Technology, Intel Turbo Boost Technology
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 2 threads 8 threads
Clock Speed (Frequency) 2 GHz 3.6 GHz
Max Turbo Speed - 4 GHz
Bus Speed 800 MHz 1600 MHz
64-bit Computing Yes -
CACHE MEMORY
Cache 4 MB 8 MB
Cache Memory Details Smart Cache - 4 MB L3 - TLC NAND Flash - 8 MB
Installed Size 4 MB 8 MB
EXPANSION & CONNECTIVITY Intel Xeon E5503 Intel Xeon E3-1280V3
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Xeon E5503 Intel Xeon E3-1280V3
Included Accessories Heat sink -
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year - on-site -
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