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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
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Socket TypeFM2+AM3+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.8 GHz
Turbo SpeedUp to 3.8 GHzUp to 4.0 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP65W95W
Yearly Running Cost$11.86$17.34
First Seen on ChartQ1 2015Q4 2012
# of Samples2001841
Cross-Platform Rating64916963
Single Thread Rating14631478
CPU Mark32212928
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Athlon X4 840
3,221
AMD FX-4300 Quad-Core
2,928
CPU Value (CPU Mark / $Price)
As of 9th of July 2020 - Higher results represent better value
AMD Athlon X4 840
40.91
AMD FX-4300 Quad-Core
34.84
CPU Single Thread Rating
As of 9th of July 2020 - Higher results represent better performance
AMD Athlon X4 840
1,463
AMD FX-4300 Quad-Core
1,478

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.