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AMD Athlon II X4 620 Quad Core Processor Review

ajmatson    -   September 16, 2009
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Testing:

To test how this quad core processor performs I am going to be running a series of scientific and video benchmarks designed to push it to the limits and score it based on the way it performs. To compare the Athlon II X4 620's performance I am going to put it up against some of the current quad cores that are available to show you where it sits amongst the competition. To prevent any variables from interfering with the scores, all hardware will be run at stock speeds, voltages, and latencies unless otherwise stated such as for the overclocking tests.

 

Testing Setup AMD AM3 CPU's:

 

Testing Setup: Intel Core i5/i7 Socket 1156

  • Processor(s): Intel Core i5 750 133x20, Intel Core i7 870 133x22 socket 1156 CPU's
  • Motherboard: Intel DP55KG Extreme (Kingsberg)
  • Memory: Kingston HyperX KHX1600C*D3K2/4GX 7-7-7-20 1333MHz
  • Video Card : NVIDIA GTX 260 (216)
  • Power Supply: Mushkin 800w Modular Power Supply
  • Hard Drive: 1 x Seagate 1TB SATA
  • Optical Drive: Lite-On 8x DVD+/-RW
  • OS: Windows Vista Ultimate Edition

 

Testing Setup: Intel Core i7 Socket 1366

  

Comparison CPUs:

 

Overclocking:

Overclocked settings:

  • Processor: AMD Athlon II X4 620 @ 3.133GHz (241x13) 1.50v
  • System Memory: Corsair XMS3 DHX @ 1928MHz (7-7-7-20)

To overclock the Athlon II X4 620 processor you need to have a good knowledge of overclocking AMD processors. This particular processor is not a "Black Edition" as we have been accustomed to with the majority of Phenom II series processors so the multiplier is locked at 13x. To overclock this processor you really need to push up the reference clock to get the extra speed. With pushing the reference clock higher the HyperTransport Link and memory go up as well since they use the reference clock with multipliers as well. To overclock the processor I started pushing the reference clock up 5MHz at a time until it became unstable. I hit a wall rather early and after doing some research I found the culprit was the HT Link. The Athlon II X4 620 did not do too well with the HT Link much over 2000MHz so I had to drop the multiplier down to 9x to get the HT Link at 1928MHz, which is a bit under the 2000MHz mark so we were good as the reference clock rose. Finally, I was no longer stable over 241MHz on the reference clock at 1.5 volts. However, the temperature I got while overclocking testing was 38C degrees, which is way under the 71C degree thermal limit. Quite cool I must say. Since the reference clock was at 241MHz the memory speed was bumped up to 1928MHz, which was fine because the set of memory I use for the reviews I have been able to get to 2000MHz so I left the memory multiplier alone and used this for my memory speed. The final overclocked setting are 3.133GHz for the Athlon II X4 620 and 1928MHz for the memory, which is approximately a 20% overclock.

 

 
 

 

 

 

Benchmarks:

  • Scientific & Data:
  1. Apophysis
  2. WinRAR
  3. Office 2007 Excel Number Crunch
  4. POV Ray 3.7
  5. PCMark Vantage Professional
  6. Sandra XII
  7. ScienceMark 2.02
  8. Cinebench 10
  9. HD Tune 2.55
  • Video:
  1. Far Cry 2
  2. Crysis Warhead
  3. BioShock
  4. Call of Duty World At War
  5. Dead Space 
  6. Fallout 3 
  7. Left 4 Dead
  8. 3DMark 06 Professional
  9. 3DMark Vantage



  1. Introduction & Closer Look
  2. Specifications & Features
  3. Testing: Setup & Overclocking
  4. Testing: Apophysis, WinRar
  5. Testing: Office 2007, PcMark Vantage
  6. Testing: SiSoft Sandra 2009
  7. Testing: Sciencemark, Cinebench 10, HD Tune
  8. Testing: Far Cry 2
  9. Testing: Crysis Warhead
  10. Testing: BioShock
  11. Testing: Call of Duty World at War
  12. Testing: Dead Space
  13. Testing: Fallout 3
  14. Testing: Left 4 Dead
  15. Testing: 3DMark 06
  16. Testing: 3DMark Vantage
  17. Conclusion
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