Intel Xeon E5420 vs. Intel Core 2 Extreme QX9650

CPU Comparison, Reviews and Tests
Intel Xeon E5420
Intel Core 2 Extreme QX9650

In depth comparison and review of Intel Xeon E5420 and Intel Core 2 Extreme QX9650. 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 E5420 vs. Intel Core 2 Extreme QX9650 Benchmark Chart
GENERAL Intel Xeon E5420 Intel Core 2 Extreme QX9650
Product Type Processor Processor
PROCESSOR Intel Xeon E5420 Intel Core 2 Extreme QX9650
Type Intel Xeon E5420 Intel Core 2 Extreme QX9650
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA6 -
Compatible Processor Socket LGA771 Socket LGA775 Socket
Core Voltage 0.85 V - 1.35 V -
Manufacturing Process 45 nm 45 nm
Thermal Design Power 80 W 130 W
Thermal Specification 67 °C 64.5 °C
Architecture Features 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) Enhanced SpeedStep technology, streaming SIMD extensions 2, streaming SIMD extensions 3, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Advanced Digital Media Boost, Intel Advanced Smart Cache, Intel Intelligent Power Capability, Intel Smart Memory Access, Intel Wide Dynamic Execution, supplemental streaming SIMD extensions 3, streaming SIMD extensions 4, Enhanced Halt State (C1E), Intel Thermal Monitor 2
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 4 threads -
Clock Speed (Frequency) 2.5 GHz 3 GHz
Bus Speed 1333 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 12 MB
Cache Memory Details L2 - 12 MB L2 - 12 MB
Installed Size 12 MB 12 MB
Type Advanced Smart Cache Advanced Smart Cache
EXPANSION & CONNECTIVITY Intel Xeon E5420 Intel Core 2 Extreme QX9650
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5420 Intel Core 2 Extreme QX9650
Included Accessories Alcohol pad, thermal grease -
Service & Support Limited warranty - 1 year - on-site Limited warranty - 90 days
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