AMD Athlon II X2 255e 

First seen on January, 2013
  • 3.1 GHz
  • Dual core

Features Key features of the AMD Athlon II X2 255e

clock speed

Athlon II X2 255e
3.1 GHz
Athlon X2 5050e
2.6 GHz
Sempron 145
2.8 GHz

turbo clock speed

Athlon II X2 255e
0 GHz

L2 cache

Athlon II X2 255e
2 MB

L3 cache

Athlon II X2 255e
0 MB


Athlon II X2 255e

Specifications Full list of technical specs


Clock speed 3.1 GHz
Turbo clock speed 0 GHz
Cores Dual core
Is unlocked No


Has a NX bit Yes
Has virtualization support No
Instruction set extensions
  1. SSE4a
  2. 3DNow!
  3. SSE2
  4. SSE
  5. MMX
  6. SSE3
Supports dynamic frequency scaling Yes


Clock speed 2,000 MHz


Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
L3 cache 0 MB
L3 cache per core 0 MB/core
Manufacture process 45 nm
Max CPUs 1
Operating temperature Unknown - 72°C

power consumption

Annual home energy cost 10.84 $/year
Annual commercial energy cost 39.42 $/year
Typical power consumption 36.56W

memory controller

Memory controller Built-in
Memory type DDR3
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