AMD Phenom II X2 B55 

First seen on June, 2012
  • 3 GHz
  • Dual core

Benchmarks Real world tests of the AMD Phenom II X2 B55

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II X2 B55

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X2 B55

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X2 B55
134,050 MB/s
Core2 Quad Q9550
121,500 MB/s
Phenom II X4 955
129,850 MB/s

3D Mark 11 (Physics)

Phenom II X2 B55

PassMark Data courtesy Passmark

Phenom II X2 B55

PassMark (Single Core)

Phenom II X2 B55

Specifications Full list of technical specs


Clock speed 3 GHz
Cores Dual core
Socket type AM3
Is unlocked No


Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. 3DNow!
  5. SSE4a
  6. SSE3
Supports dynamic frequency scaling Yes

power consumption

Annual home energy cost 19.27 $/year
Annual commercial energy cost 70.08 $/year
Performance per watt 2.01 pt/W
Typical power consumption 65W


Clock speed 2,200 MHz


Architecture x86-64
Threads 2 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
L3 cache 6 MB
L3 cache per core 3 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.78 - 1.43V
Operating temperature Unknown - 70°C


Overclocked clock speed 3.72 GHz
Overclocked clock speed (Water) 3 GHz
PassMark (Overclocked) 2,624.7
Overclocked clock speed (Air) 3.72 GHz

integrated graphics

GPU None
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Showing 1 comment.
says am3 am2+ compatible but every am3 board i seen wont take it.
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