Intel Xeon X5570 vs. Intel Xeon E5420

CPU Comparison, Reviews and Tests
Intel Xeon X5570
Intel Xeon E5420

In depth comparison and review of Intel Xeon X5570 and Intel Xeon E5420. 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 X5570 vs. Intel Xeon E5420 Benchmark Chart
GENERAL Intel Xeon X5570 Intel Xeon E5420
Product Type Processor Processor
PROCESSOR Intel Xeon X5570 Intel Xeon E5420
Type Intel Xeon X5570 Intel Xeon E5420
ARCHITECTURE
Processor Qty 1 1
Packaging Type - FC-LGA6
Compatible Processor Socket LGA1366 Socket LGA771 Socket
Core Voltage 0.75 V - 1.35 V 0.85 V - 1.35 V
Manufacturing Process 45 nm 45 nm
Thermal Design Power 95 W 80 W
Thermal Specification 75 °C 67 °C
Architecture Features Enhanced SpeedStep technology, Demand Based Switching, Intel Virtualization Technology, Intel Dynamic Acceleration 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)
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 4 threads
Clock Speed (Frequency) 2.93 GHz 2.5 GHz
Max Turbo Speed 3.33 GHz -
Bus Speed 1333 MHz 1333 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 12 MB
Cache Level 1 Size 256 KB -
Cache Memory Details Smart Cache - 8 MB L2 - 12 MB
Installed Size 8 MB 12 MB
Type Advanced Smart Cache Advanced Smart Cache
RAM
Technology DDR3 SDRAM - 1333 MHz -
EXPANSION & CONNECTIVITY Intel Xeon X5570 Intel Xeon E5420
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon X5570 Intel Xeon E5420
Included Accessories Heat sink Alcohol pad, thermal grease
Compliant Standards RoHS -
Service & Support Limited warranty - 1 year Limited warranty - 1 year - on-site
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