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AMD Phenom II X4 975 & 840 Review

ajmatson    -   January 3, 2011
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Conclusion:

The two new additions to the Phenom II line bring a fresh update to AMD users. The Phenom II X4 975 offers the top-end stock performance for an excellent price, while the X4 840 gives budget conscious users the ability to build a low cost Phenom II-based system for their general computing needs. The AMD Phenom II X4 840 offers a budget entry chip that is set to retail for around $100 and offers plenty of performance for workstations and everyday computing. The higher end Phenom II X4 975 brings top-level quad-core performance with a great sub $200 price. Both have a fantastic bang-for-the-buck ratio, which will make any user's current or future AM3 system a great performer.

When it came to overclocking, the X4 840 has a locked multiplier and did not offer much in the way of overclocking, with only a 400MHz burst. That being said, for the price, they are hard to beat. The X4 975 on the other hand, is an overclocking beast, making it to 4.32GHz with ease thanks to the unlocked multiplier and a bit of tweaking. At 4.3GHz and a price tag under $200, this chip is also hard to be beat. The scores were excellent and the chip never faltered. Overall, these are two great additions to the Phenom II line and are sure to make any budget happy.

 

Pros:

  • Very competitive pricing
  • Good price-to-performance ratio
  • Work in both AM3 and AM2+ motherboards
  • Compatible with both DDR2 and DDR3 memory

 

Cons:

  • Phenom II X4 840 not any faster than Athlon II series
OCC Gold



  1. Introduction & Closer Look
  2. Specifications
  3. Testing: Setup & Overclocking
  4. Testing: Apophysis, WinRar, Bibble 5
  5. Testing: Office 2007, POV Ray, Geekbench
  6. Testing: SiSoft Sandra 2010
  7. Testing: Sciencemark, Cinebench, HD Tune
  8. Testing: Far Cry 2
  9. Testing: Call of Duty: Modern Warfare 2
  10. Testing: Batman: Arkham Asylum
  11. Testing: 3DMark Vantage
  12. Conclusion
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