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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7940HX vs Intel i7-14700K

The AMD Ryzen 9 7940HX is newer than Intel Core i7-14700K, while the multi-threaded (CPU Mark) is simliar, Intel Core i7-14700K is around 11% faster in single-thread testing. However, AMD Ryzen 9 7940HX uses substantially less power. The CPUs selected in this comparison belong in different CPU Classes: Desktop, Laptop. Consider, selecting CPUs from simliar CPU Class for more apt comparison.The values below were tabulated from a combined 4212 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.

×AMD Ryzen 9 7940HX×Intel Core i7-14700K+ ADD
Price Search Online $328.91 - BUY
Socket TypeAM5 (LGA 1718)FCLGA1700
CPU ClassDesktop, LaptopDesktop
Clockspeed2.4 GHz3.4 GHz
Turbo SpeedUp to 5.2 GHzUp to 5.6 GHz
# of Physical Cores16 (Threads: 32)20 (Threads: 28)
CacheL1: 1,024KB, L2: 16.0MB, L3: 64MBL1: 1,792KB, L2: 28.0MB, L3: 33MB
TDP55W125W
Yearly Running Cost$10.04$22.81
Otherwith Radeon GraphicsIntel UHD Graphics 770
First Seen on ChartQ1 2024Q4 2023
# of Samples1654047
CPU Value0.0160.5
Single Thread Rating(% diff. to max in group)3987(-11.0%)4480(0.0%)
CPU Mark(% diff. to max in group)54360(0.0%)52780(-2.9%)

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 7940HX
54,360
Intel Core i7-14700K
52,780
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
AMD Ryzen 9 7940HX
NA
Intel Core i7-14700K
160.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
AMD Ryzen 9 7940HX
3,987
Intel Core i7-14700K
4,480
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.
AMD Ryzen 9 7940HX Intel Core i7-14700K
Max TDP55W125W
Power consumption per day (kWh)0.110.25
Running cost per day$0.028$0.063
Power consumption per year (kWh)40.191.3
Running cost per year$10.04$22.81
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.