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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Phenom II X4 B65 vs AMD FX-4100 Quad-Core

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


×AMD Phenom II X4 B65×AMD FX-4100 Quad-Core+ ADD
PriceSearch Online$26.1
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Socket TypeAM2+/AM3AM3+
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.6 GHz
Turbo SpeedNot SupportedUp to 3.8 GHz
# of Physical Cores4 (Threads: 4)4 (in 2 physical modules)
Max TDPNA295W
Yearly Running CostNA$17.34
First Seen on ChartQ1 2011Q4 2011
# of Samples182247
Cross-Platform Rating05854
Single Thread Rating13571283
CPU Mark25762546

CPU Mark Rating
As of 27th of October 2021 - Higher results represent better performance
AMD Phenom II X4 B65
 2,576
AMD FX-4100 Quad-Core
 2,546
PassMark Software © 2008-2021
CPU Value (CPU Mark / $Price)
As of 27th of October 2021 - Higher results represent better value
AMD Phenom II X4 B65
 NA
AMD FX-4100 Quad-Core
 97.56
PassMark Software © 2008-2021
CPU Single Thread Rating
As of 27th of October 2021 - Higher results represent better performance
AMD Phenom II X4 B65
 1,357
AMD FX-4100 Quad-Core
 1,283
PassMark Software © 2008-2021

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 B65AMD FX-4100 Quad-Core
Max TDPNA95W
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.