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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.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.
×AMD FX-770K Quad-Core×AMD Athlon X4 840+ ADD
PriceSearch Online$124.951
Socket TypeFM2+FM2+
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.1 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.8 GHz
# of Physical Cores4 (in 2 physical modules)4 (in 2 physical modules)
CacheL1: 448KB, L2: 8.0MB, L1: 448KB, L2: 8.0MB,
Max TDP65W65W
Yearly Running Cost$11.86$11.86
Other
First Seen on ChartQ4 2014Q1 2015
# of Samples68224
Single Thread Rating(% diff. to max in group)1404(-5.3%)1483(0.0%)
CPU Mark(% diff. to max in group)2686(-18.4%)3292(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 2nd of December 2022 - Higher results represent better performance
AMD FX-770K Quad-Core
2,686
AMD Athlon X4 840
3,292
CPU Value (CPU Mark / $Price)
As of 2nd of December 2022 - Higher results represent better value
AMD FX-770K Quad-Core
NA
AMD Athlon X4 840
26.35
CPU Single Thread Rating
As of 2nd of December 2022 - Higher results represent better performance
AMD FX-770K Quad-Core
1,404
AMD Athlon X4 840
1,483

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)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.