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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$39.38
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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)2 (Threads: 4)
Max TDPNA295W
Yearly Running CostNA$17.34
First Seen on ChartQ1 2011Q4 2011
# of Samples182187
Cross-Platform Rating05883
Single Thread Rating13581307
CPU Mark25422586

CPU Mark Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Phenom II X4 B65
 2,542
AMD FX-4100 Quad-Core
 2,586
PassMark Software © 2008-2020
CPU Value (CPU Mark / $Price)
As of 9th of July 2020 - Higher results represent better value
AMD Phenom II X4 B65
 NA
AMD FX-4100 Quad-Core
 65.67
PassMark Software © 2008-2020
CPU Single Thread Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Phenom II X4 B65
 1,358
AMD FX-4100 Quad-Core
 1,307
PassMark Software © 2008-2020

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)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.