Intel Pentium III 550E 

Released October, 1999
  • 0.55 GHz
  • Single core

Features Key features of the Intel Pentium III 550E

clock speed

Pentium III 550E
0.55 GHz
Core i3 3220
3.3 GHz

L2 cache

Pentium III 550E
0.25 MB
Core i3 3220
0.5 MB


Pentium III 550E

Specifications Full list of technical specs


Clock speed 0.55 GHz
Cores Single core
Socket type 370


Has a NX bit No
Has virtualization support No
Instruction set extensions
  1. MMX
  2. SSE
Supports dynamic frequency scaling No

power consumption

TDP 14.5W
Annual home energy cost 3.49 $/year
Annual commercial energy cost 12.7 $/year
Typical power consumption 11.78W


Architecture x86
Threads 1 thread
L2 cache 0.25 MB
L2 cache per core 0.25 MB/core
Manufacture process 180 nm
Max CPUs 2
Clock multiplier 5
Operating temperature Unknown - 82°C

integrated graphics

GPU None


Architecture FSB
Clock speed 100 MHz
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