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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD FX-770K Quad-Core vs AMD Athlon X4 840

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

×AMD FX-770K Quad-Core×AMD Athlon X4 840+ ADD
PriceSearch Online$78.741
Socket TypeFM2+FM2+
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.1 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.8 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
Max TDP65W65W
Yearly Running Cost$11.86$11.86
First Seen on ChartQ4 2014Q1 2015
# of Samples65196
Cross-Platform Rating35246351
Single Thread Rating14061444
CPU Mark23143170
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 29th of May 2020 - Higher results represent better performance
AMD FX-770K Quad-Core
2,314
AMD Athlon X4 840
3,170
CPU Value (CPU Mark / $Price)
As of 29th of May 2020 - Higher results represent better value
AMD FX-770K Quad-Core
NA
AMD Athlon X4 840
40.26
CPU Single Thread Rating
As of 29th of May 2020 - Higher results represent better performance
AMD FX-770K Quad-Core
1,406
AMD Athlon X4 840
1,444

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 FX-770K Quad-CoreAMD Athlon X4 840
Max TDP65W65W
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.