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AMD Athlon II X2 255 vs Phenom 8600B Triple-

The AMD Athlon II X2 255 is newer than AMD Phenom 8600B Triple-Core, while AMD Phenom 8600B Triple-Core is around 20% faster in multi-threaded (CPU Mark) testing, but AMD Athlon II X2 255 is around 21% faster in single-thread testing. However, AMD Phenom 8600B Triple-Core uses around 38% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 477 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×AMD Athlon II X2 255×AMD Phenom 8600B Triple-Core+ ADD
Price Search Online Search Online
Socket TypeAM3AM2+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)3 (Threads: 3)
CacheL1: 256KB, L2: 2.0MB, L1: 384KB, L2: 1.5MB, L3: 2MB
TDP65W95W
Yearly Running Cost$11.86$17.34
Other
First Seen on ChartQ1 2010Q2 2009
# of Samples41265
CPU Value93.697.9
Single Thread Rating(% diff. to max in group)12343(0.0%)969(-21.5%)
CPU Mark(% diff. to max in group)1175(-19.8%)1464(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Athlon II X2 255
1,175
AMD Phenom 8600B Triple-Core
1,464
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 1st of December 2024 - Higher results represent better value
AMD Athlon II X2 255
93.6
AMD Phenom 8600B Triple-Core
97.9
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Athlon II X2 255
1,234
AMD Phenom 8600B Triple-Core
969
PassMark Software © 2008-2024
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
AMD Athlon II X2 255 AMD Phenom 8600B Triple-Core
Max TDP65W95W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.