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AMD Athlon II X2 245 vs Phenom II X2 B55

The AMD Phenom II X2 B55 is newer than AMD Athlon II X2 245 also around 7% faster in multi-threaded (CPU Mark) testing, it is around 6% faster in single-thread testing. However, AMD Phenom II X2 B55 uses around 21% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 608 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 245×AMD Phenom II X2 B55+ ADD
Price Search Online $37.95 - BUY
Socket TypeAM2+/AM3AM3
CPU ClassDesktopDesktop
Clockspeed2.9 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 2.0MB, L1: 256KB, L2: 1.0MB, L3: 6MB
TDP65W80W
Yearly Running Cost$11.86$14.60
Other
First Seen on ChartQ3 2009Q4 2009
# of Samples54167
CPU Value28.231.7
Single Thread Rating(% diff. to max in group)11343(-5.9%)12053(0.0%)
CPU Mark(% diff. to max in group)1125(-6.6%)1204(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 6th of April 2025 - Higher results represent better performance
AMD Athlon II X2 245
1,125
AMD Phenom II X2 B55
1,204
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 6th of April 2025 - Higher results represent better value
AMD Athlon II X2 245
28.2
AMD Phenom II X2 B55
31.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 6th of April 2025 - Higher results represent better performance
AMD Athlon II X2 245
1,134
AMD Phenom II X2 B55
1,205
PassMark Software © 2008-2025
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 245 AMD Phenom II X2 B55
Max TDP65W80W
Power consumption per day (kWh)0.130.16
Running cost per day$0.033$0.040
Power consumption per year (kWh)47.558.4
Running cost per year$11.86$14.60
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.