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AMD Phenom II X2 B53 vs Athlon II X2 255

The AMD Athlon II X2 255 is newer than AMD Phenom II X2 B53, while the multi-threaded (CPU Mark) is simliar, AMD Athlon II X2 255 is around 6% faster in single-thread testing. However, AMD Phenom II X2 B53 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 424 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 Phenom II X2 B53×AMD Athlon II X2 255+ ADD
Price Search Online Search Online
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.1 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 256KB, L2: 2.0MB,
TDP80W65W
Yearly Running Cost$14.60$11.86
Other
First Seen on ChartQ4 2009Q1 2010
# of Samples12412
CPU Value0.093.6
Single Thread Rating(% diff. to max in group)11613(-5.9%)12343(0.0%)
CPU Mark(% diff. to max in group)1137(-3.2%)1175(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 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X2 B53
1,137
AMD Athlon II X2 255
1,175
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 22nd of December 2024 - Higher results represent better value
AMD Phenom II X2 B53
NA
AMD Athlon II X2 255
93.6
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 22nd of December 2024 - Higher results represent better performance
AMD Phenom II X2 B53
1,161
AMD Athlon II X2 255
1,234
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 Phenom II X2 B53 AMD Athlon II X2 255
Max TDP80W65W
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.