AMD Phenom II X2 B55 Processor

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Phenom II X2 B55 is a desktop processor from AMD released on 1 October 2009, and it is in end-of-life production status now. It belongs to Phenom II X2 family and has a Callisto architecture. This processor is built on AMD Socket AM3, and uses Gen 2 PCI express connection. 45 nm process is used in production.

Processor has 2 cores and 2 threads, with the base frequency of 3 GHz. It has DDR3 Dual-channel memory support. As for the cache, it supports L1 128K (per core), L2 512K (per core) and L3 6MB (shared).

Learn more about AMD Phenom II X2 B55:

Specifications

Vertical Segment
Desktop
Release date
1 October 2009
Production status
End-of-life
Generation
Phenom II X2
Codename
Callisto
Socket
AMD Socket AM3
Total Cores
2
Total Threads
2
Frequency
3 GHz
Turbo clock
N/A
Cache L1
128K (per core)
Cache L2
512K (per core)
Cache L3
6MB (shared)
TDP
80 W

Physical Specifications

Socket
AMD Socket AM3
Process size
45 nm
Transistors
758 million
Die size
258 mm²
Package
µPGA

Performance

Frequency
3 GHz
Turbo clock
N/A
Base clock
200 MHz
Multiplier
15.0x
Multiplier unlocked
No
Voltage
1.425 V
TDP
80 W

Architecture Details

Vertical Segment
Desktop
Production status
End-of-life
Release date
1 October 2009
Codename
Callisto
Generation
Phenom II X2
Part
HDXB55WFK2DGM
Memory support
DDR3 Dual-channel
ECC memory
No
PCI Express
Gen 2

Cores

Total Cores
2
Total Threads
2
SMP # CPUs
1
Integrated graphics
N/A

Cache

Cache L1
128K (per core)
Cache L2
512K (per core)
Cache L3
6MB (shared)

Notes

Notes
AMD Business Class processor, availability guaranteed for 24 months after release.

Features & Technologies

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSE4A
  • AMD64
  • AMD-V
  • NX bit
  • 3DNow!

Drivers

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Benchmark & Performance

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