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The Phenom II X6 1055 is a six core processor from AMD, released in mid 2010.

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turbo 'dynamic acceleration' overclocks individual cores for enhanced performance when single threaded applications are running on up to 3 cores while the other 3 remain idle

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affordable price

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still AM2+ compatible - great for individuals looking to upgrade from an older Athlon 64 or Phenom build without replacing their motherboard and RAM

3 agree

ideal for those who do work with applications that are heavily threaded

2 agree

rated at the same TDP as Phenom II X4 CPUs meaning an overall more efficient design as 50% additional cores were added

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responds well to overclocking

1 agrees
  • Only 3 words are allowed.

same amount of L3 cache as X4 equivalents, means less cache per core

2 agree

not a huge improvement for the majority of consumers who would see better performance on higher clocked quad or even dual cores

1 agrees

still suffers from poorer performance and power efficiency compared to Intel's latest Core i3/i5/i7 lines (still based on Phenom II at the end of the day)

1 agrees

not a black edition like the higher-end 1090T (locked multiplier means overclocking is more of a challenge)

1 agrees
  • Only 3 words are allowed.


The Phenom II X6 1055 is a six core processor from AMD, released in mid 2010. This chip is directly comparable to AMD’s more expensive X6 1090T, a marginally faster six core processor. This 2.8GHz processor has been designed as a high performance component, and is rated at 125W TDP. The X6 1055 features 3MB of L2 cache and 6MB of L3 cache on a 45nm chip design. In terms of motherboard compatibility, socket AM3 must be used. For memory, DDR2 (up to 1066MHz) or DDR3 (up to 1333MHz) is compatible. The general consensus amongst reviewers indicates that overclocking is well supported, similar to previous Phenom II products. Compared to competing Intel i5/i7 processors, the X6 1055 uses more energy when idle, but the difference is less significant under full loads. Users running threaded applications that take advantage of multiple cores should find the AMD Phenom II X6 1055 an acceptable performance upgrade.

  • MMX
  • 3DNow!
  • SSE, SSE2, SSE3, SSE4a
  • Advanced Bit Manipulation
  • AMD64 technology
  • AMD-V (virtualization) technology
  • Enhanced Virus Protection
  • Dynamic Acceleration technology
  • Cores: 6
  • Clock: 2.8GHz
  • Max Turbo: 3.3GHz
  • L2 cache: 3MB
  • L3 cache: 6MB
  • Process: 45nm
  • Socket: AM3
  • TDP: 125W
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