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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon 64 X2 Dual Core 5400+ vs AMD Phenom II X2 B55

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

×AMD Athlon 64 X2 Dual Core 5400+×AMD Phenom II X2 B55+ ADD
Price$52.991$47.951
Socket TypeAM2AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz3.0 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
Max TDP65W80W
Yearly Running Cost$11.86$14.60
First Seen on ChartQ4 2008Q4 2009
# of Samples20459
Cross-Platform Rating03125
Single Thread Rating970312493
CPU Mark8391201
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 28th of May 2020 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 5400+
839
AMD Phenom II X2 B55
1,201
CPU Value (CPU Mark / $Price)
As of 28th of May 2020 - Higher results represent better value
AMD Athlon 64 X2 Dual Core 5400+
15.83
AMD Phenom II X2 B55
25.04
CPU Single Thread Rating
As of 28th of May 2020 - Higher results represent better performance
AMD Athlon 64 X2 Dual Core 5400+
970
AMD Phenom II X2 B55
1,249

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 64 X2 Dual Core 5400+AMD Phenom II X2 B55
Max TDP65W80W
Power consumption per day (kWh)abcabc
Running cost per dayabcabc
Power consumption per year (kWh)abcabc
Running cost per yearabcabc
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.