Intel Xeon E5649 vs. Intel Xeon E5620

CPU Comparison, Reviews and Tests
Intel Xeon E5649
Intel Xeon E5620

Side by side comparison and review of Intel Xeon E5649 and Intel Xeon E5620. 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 E5649 vs. Intel Xeon E5620 Benchmark Chart
GENERAL Intel Xeon E5649 Intel Xeon E5620
Product Type Processor Processor
PROCESSOR Intel Xeon E5649 Intel Xeon E5620
Type Intel Xeon E5649 Intel Xeon E5620
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 32 nm
Thermal Design Power 80 W 80 W
Thermal Specification 76.2 °C 77.6 °C
Architecture Features Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology Integrated memory controller, Intel QuickPath Technology
PERFORMANCE
Number of Cores 6-core Quad-Core
Number of Threads 12 threads 8 threads
Clock Speed (Frequency) 2.53 GHz 2.4 GHz
Max Turbo Speed 2.93 GHz 2.66 GHz
Bus Speed 1333 MHz 1066 MHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 12 MB 12 MB
Cache Memory Details L3 - 12 MB
L2 - 6 x 256 KB		 12 MB
Installed Size 12 MB 12 MB
EXPANSION & CONNECTIVITY Intel Xeon E5649 Intel Xeon E5620
Compatible Slots 1 x processor 1 x processor
MISCELLANEOUS Intel Xeon E5649 Intel Xeon E5620
Included Accessories Heat sink Heat sink
Compliant Standards RoHS RoHS
Service & Support Limited warranty - 1 year 1-year warranty
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