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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i9-10940X vs AMD Ryzen 9 3900X

The Intel Core i9-10940X @ 3.30GHz is newer than AMD Ryzen 9 3900X and is around -15% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i9-10940X @ 3.30GHz 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 15101 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 i9-10940X @ 3.30GHz×AMD Ryzen 9 3900X+ ADD
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Socket TypeFCLGA2066AM4
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.8 GHz
Turbo SpeedUp to 4.8 GHzUp to 4.6 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 ChartQ4 2019Q3 2019
# of Samples29114810
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)2659(-1.7%)2705(0.0%)
CPU Mark(% diff. to max in group)27800(-14.7%)32573(0.0%)

CPU Mark Rating
As of 22nd of April 2025 - Higher results represent better performance
Intel Core i9-10940X @ 3.30GHz
27,800
AMD Ryzen 9 3900X
32,573
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 22nd of April 2025 - Higher results represent better performance
Intel Core i9-10940X @ 3.30GHz
2,659
AMD Ryzen 9 3900X
2,705
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
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 i9-10940X @ 3.30GHz AMD Ryzen 9 3900X
Max TDP165W105W
Power consumption per day (kWh)0.330.21
Running cost per day$0.083$0.052
Power consumption per year (kWh)120.576.6
Running cost per year$30.11$19.16
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.