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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 900e vs Athlon II X3 455

The AMD Athlon II X3 455 is newer than AMD Phenom II X4 900e also around 21% faster in multi-threaded (CPU Mark) testing, it is around 31% faster in single-thread testing. However, AMD Athlon II X3 455 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 391 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 X4 900e×AMD Athlon II X3 455+ ADD
Price Search Online Search Online
Socket TypeAM3AM3
CPU ClassDesktopDesktop
Clockspeed2.4 GHz3.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)3 (Threads: 3)
CacheL1: 512KB, L2: 2.0MB, L3: 6MBL1: 384KB, L2: 1.5MB,
TDP65W95W
Yearly Running Cost$11.86$17.34
Other
First Seen on ChartQ4 2010Q4 2010
# of Samples11380
CPU Value0.073.7
Single Thread Rating(% diff. to max in group)917(-31.3%)1334(0.0%)
CPU Mark(% diff. to max in group)1505(-20.8%)1899(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Phenom II X4 900e
1,505
AMD Athlon II X3 455
1,899
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
AMD Phenom II X4 900e
NA
AMD Athlon II X3 455
73.7
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
AMD Phenom II X4 900e
917
AMD Athlon II X3 455
1,334
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 Phenom II X4 900e AMD Athlon II X3 455
Max TDP65W95W
Power consumption per day (kWh)0.130.19
Running cost per day$0.033$0.048
Power consumption per year (kWh)47.569.3
Running cost per year$11.86$17.34
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.