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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900 vs Intel Core i9-7940X @ 3.10GHz

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 Ryzen 9 3900×Intel Core i9-7940X @ 3.10GHz+ ADD
Price $504.15 - BUY $500 - BUY
Socket TypeAM4FCLGA2066
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.1 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.3 GHz
# of Physical Cores12 (Threads: 24)14 (Threads: 28)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 512KB, L2: 8.0MB, L3: 19MB
Max TDP65W165W
Yearly Running Cost$11.86$30.11
Other
First Seen on ChartQ4 2019Q3 2017
# of Samples279391
CPU Value61.152.7
Single Thread Rating(% diff. to max in group)2613(0.0%)2505(-4.1%)
CPU Mark(% diff. to max in group)30790(0.0%)26336(-14.5%)

CPU Mark Rating
As of 31st of May 2023 - Higher results represent better performance
AMD Ryzen 9 3900
30,790
Intel Core i9-7940X @ 3.10GHz
26,336
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 31st of May 2023 - Higher results represent better value
AMD Ryzen 9 3900
61.1
Intel Core i9-7940X @ 3.10GHz
52.7
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 31st of May 2023 - Higher results represent better performance
AMD Ryzen 9 3900
2,613
Intel Core i9-7940X @ 3.10GHz
2,505
PassMark Software © 2008-2023

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 3900Intel Core i9-7940X @ 3.10GHz
Max TDP65W165W
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.