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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-7940X vs AMD Ryzen 9 3900XT

The AMD Ryzen 9 3900XT is newer than Intel Core i9-7940X @ 3.10GHz also around 20% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, Intel Core i9-7940X @ 3.10GHz uses around 44% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1609 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • 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.

×Intel Core i9-7940X @ 3.10GHz×AMD Ryzen 9 3900XT+ ADD
Price $320 - BUY $355 - BUY
Socket TypeFCLGA2066AM4
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.8 GHz
Turbo SpeedUp to 4.3 GHzUp to 4.7 GHz
# of Physical Cores14 (Threads: 28)12 (Threads: 24)
CacheL1: 896KB, L2: 14.0MB, L3: 19MBL1: 768KB, L2: 6.0MB, L3: 64MB
TDP165W105W
Yearly Running Cost$30.11$19.16
Other
First Seen on ChartQ3 2017Q3 2020
# of Samples4171192
CPU Value81.392.1
Single Thread Rating(% diff. to max in group)2488(-9.4%)2746(0.0%)
CPU Mark(% diff. to max in group)26025(-20.4%)32690(0.0%)

CPU Mark Rating
As of 26th of July 2024 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
26,025
AMD Ryzen 9 3900XT
32,690
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 26th of July 2024 - Higher results represent better value
Intel Core i9-7940X @ 3.10GHz
81.3
AMD Ryzen 9 3900XT
92.1
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 26th of July 2024 - Higher results represent better performance
Intel Core i9-7940X @ 3.10GHz
2,488
AMD Ryzen 9 3900XT
2,746
PassMark Software © 2008-2024

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.
Intel Core i9-7940X @ 3.10GHzAMD Ryzen 9 3900XT
Max TDP165W105W
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.