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The processor features a core speed of 3.0 GHz, with a 1MB L2 and 6MB L3 cache, and 80W thermal design power.

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Pros

large L2 and L3 caches maximize the throughput on most motherboards that support it - no bottleneck

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draws very little power, even when overclocked

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easily overclocked to 3.5Mhz without excessive heat generation

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cooling can be handled by a simple heat sink without a fan, reducing noise

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although strictly speaking a dual core chip, bios tweaking can turn on the other 2 for quad-core processing

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runs very stable, able to process at full load for days at a time without problems

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Cons

comes with only 2 cores running by default, not every motherboard BIOS can turn on the other 2

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Edit

 

The Phenom II X2 545 is a higher-end desktop processor, one of several new models introduced by AMD in 2009 and based on the new 45nm, dual-core Callisto. As a direct competitor of the Intel Core 2 Duo E7000, the processor features a core speed of 3.0 GHz, with a 1MB L2 and 6MB L3 cache, and 80W thermal design power. Features to reduce power consumption and decrease noise and heat output include Cool'n'Quiet technology, CoolCore technology (turns off sections of the processor when not in use), and Dual Dynamic Power Management. The 545 differs only slightly from the Phenom II X2 550, which clocks in at 3.1 GHz.

Features
  • Dual-core
  • 3.0GHz frequency
  • 2x512KB L2 and 6MB L3 caches
  • 80W TDP
  • Supports MMX, 3DNow!, SSE/SSE2/SSE3/SSE4a
  • Advanced bit manipulation
  • AMD64 technology
  • AMD-V virtualization technology
  • Enhanced Virus Protection
  • Cool'n'Quiet 3.0
  • CoolCore technology
  • Dual Dynamic Power Management
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