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Intel Xeon L5420 2.5GHz 12MB 50W CPU LGA771
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Manufacturing process 0.065 micron
582 million transistors
Die 286mm2
Data width 64 bit
The number of CPU cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size 4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size 2 x 4 MB 16-way set associative shared caches
Multiprocessing Up to 2 processors
Extensions and Technologies
MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
EM64T / Extended Memory 64 technology / Intel 64
NX / XD / Execute disable bit
VT-x / Virtualization technology
Low power features
HALT mode
Extended HALT mode
Stop Grant mode
Enhanced SpeedStep technology
Integrated peripherals / components
Integrated graphics None
Electrical / Thermal parameters
V core 1V - 1.25V
Maximum operating temperature 60°C
Maximum power dissipation 5 Watt / 60 Watt / 79.74 Watt
68.59 Watt (sustained)
Thermal Design Power 50 Watt
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