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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 B40 vs AMD Phenom II X4 B55

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

×AMD Phenom II X4 B40×AMD Phenom II X4 B55+ ADD
PriceSearch OnlineSearch Online
Socket TypeNA2AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.0 GHz3.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
Max TDPNA2NA2
Yearly Running CostNANA
First Seen on ChartQ1 2010Q1 2010
# of Samples70527
Cross-Platform Rating49545861
Single Thread Rating12311338
CPU Mark22382405
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 26th of September 2020 - Higher results represent better performance
AMD Phenom II X4 B40
2,238
AMD Phenom II X4 B55
2,405
CPU Single Thread Rating
As of 26th of September 2020 - Higher results represent better performance
AMD Phenom II X4 B40
1,231
AMD Phenom II X4 B55
1,338

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 Phenom II X4 B40AMD Phenom II X4 B55
Max TDPNANA
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.