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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900X vs AMD Ryzen 7 5800X vs Intel Core i7-7700K @ 4.20GHz

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


×AMD Ryzen 9 3900X×AMD Ryzen 7 5800X×Intel Core i7-7700K @ 4.20GHz+ ADD
Price$414.99
BUY NOW!		$299.99
BUY NOW!		$272.89
BUY NOW!
Socket TypeAM4AM4 LGA 1151
CPU ClassDesktopDesktopDesktop
Clockspeed3.8 GHz3.8 GHz4.2 GHz
Turbo SpeedUp to 4.6 GHzUp to 4.7 GHzUp to 4.5 GHz
# of Physical Cores12 (Threads: 24)8 (Threads: 16)4 (Threads: 8)
Max TDP105W105W95W
Yearly Running Cost$19.16$19.16$17.34
Other
First Seen on ChartQ3 2019Q4 2020Q4 2016
# of Samples10020578810211
Single Thread Rating(% diff. to max in group)2709(-21.5%)3450(0.0%)2730(-20.9%)
CPU Mark(% diff. to max in group)32778(0.0%)28160(-14.1%)9669(-70.5%)

CPU Mark Rating
As of 14th of August 2022 - Higher results represent better performance
AMD Ryzen 9 3900X
 32,778
AMD Ryzen 7 5800X
 28,160
Intel Core i7-7700K @ 4.20GHz
 9,669
PassMark Software © 2008-2022
CPU Value (CPU Mark / $Price)
As of 14th of August 2022 - Higher results represent better value
AMD Ryzen 9 3900X
 78.99
AMD Ryzen 7 5800X
 93.87
Intel Core i7-7700K @ 4.20GHz
 35.43
PassMark Software © 2008-2022
CPU Single Thread Rating
As of 14th of August 2022 - Higher results represent better performance
AMD Ryzen 9 3900X
 2,709
AMD Ryzen 7 5800X
 3,450
Intel Core i7-7700K @ 4.20GHz
 2,730
PassMark Software © 2008-2022

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 Ryzen 9 3900XAMD Ryzen 7 5800XIntel Core i7-7700K @ 4.20GHz
Max TDP105W105W95W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.