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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 7950X3D vs Ryzen 9 7940HX

The AMD Ryzen 9 7940HX is newer than AMD Ryzen 9 7950X3D, while AMD Ryzen 9 7950X3D is around 13% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. 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 4503 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 7950X3D×AMD Ryzen 9 7940HX+ ADD
Price Search Online Search Online
Socket TypeAM5AM5 (LGA 1718)
CPU ClassDesktopDesktop, Laptop
Clockspeed4.2 GHz2.4 GHz
Turbo SpeedUp to 5.7 GHzUp to 5.2 GHz
# of Physical Cores16 (Threads: 32)16 (Threads: 32)
CacheL1: 1,024KB, L2: 16.0MB, L3: 128MBL1: 1,024KB, L2: 16.0MB, L3: 64MB
TDP120W55W
Yearly Running Cost$21.90$10.04
OtherAMD Radeon Graphicswith Radeon Graphics
First Seen on ChartQ1 2023Q1 2024
# of Samples4349154
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)4150(0.0%)3986(-4.0%)
CPU Mark(% diff. to max in group)62463(0.0%)54275(-13.1%)

CPU Mark Rating
As of 1st of April 2025 - Higher results represent better performance
AMD Ryzen 9 7950X3D
62,463
AMD Ryzen 9 7940HX
54,275
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of April 2025 - Higher results represent better performance
AMD Ryzen 9 7950X3D
4,150
AMD Ryzen 9 7940HX
3,986
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 7950X3D AMD Ryzen 9 7940HX
Max TDP120W55W
Power consumption per day (kWh)0.240.11
Running cost per day$0.060$0.028
Power consumption per year (kWh)87.640.1
Running cost per year$21.90$10.04
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.