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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Athlon X4 840 vs AMD FX-4300 Quad-Core

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

×AMD Athlon X4 840×AMD FX-4300 Quad-Core+ ADD
Price$78.741$84.04 BUY NOW!
Socket TypeFM2+AM3+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.8 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHz
# of Physical Cores2 (2 logical cores per physical)2 (2 logical cores per physical)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ1 2015Q4 2012
# of Samples1891791
Single Thread Rating15601410
CPU Mark50714699

CPU Mark Rating
As of 27th of February 2020 - Higher results represent better performance
AMD Athlon X4 840
5,071
AMD FX-4300 Quad-Core
4,699
CPU Value (CPU Mark / $Price)
As of 27th of February 2020 - Higher results represent better value
AMD Athlon X4 840
64.40
AMD FX-4300 Quad-Core
55.92
CPU Single Thread Rating
As of 27th of February 2020 - Higher results represent better performance
AMD Athlon X4 840
1,560
AMD FX-4300 Quad-Core
1,410

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 X4 840AMD FX-4300 Quad-Core
Max TDP65W95W
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.