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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 7 7745HX vs Ryzen 7 7840H vs Ryzen 9 7940H

All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 318 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 7 7745HX×AMD Ryzen 7 7840H×AMD Ryzen 9 7940H+ ADD
Price Search Online Search Online Search Online
Socket TypeAM5 (LGA 1718)FP7 FP7r2 FP8FP7 FP7r2 FP8
CPU ClassLaptopLaptopLaptop
Clockspeed3.6 GHz3.8 GHz4.0 GHz
Turbo SpeedUp to 5.1 GHzUp to 5.1 GHzUp to 5.2 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 8.0MB, L3: 32MBL1: 512KB, L2: 8.0MB, L3: 16MBL1: 512KB, L2: 8.0MB, L3: 16MB
TDP55W54W54W
Yearly Running Cost$10.04$9.86$9.86
OtherAMD Radeon 610Mw/ Radeon 780M Graphicsw/ Radeon 780M Graphics
First Seen on ChartQ2 2023Q3 2023Q2 2023
# of Samples241689
CPU Value0.00.00.0
Single Thread Rating(% diff. to max in group)3950(0.0%)3642(-7.8%)3928(-0.6%)
CPU Mark(% diff. to max in group)32648(0.0%)27973(-14.3%)28600(-12.4%)

CPU Mark Rating
As of 19th of April 2025 - Higher results represent better performance
AMD Ryzen 7 7745HX
32,648
AMD Ryzen 7 7840H
27,973
AMD Ryzen 9 7940H
28,600
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 19th of April 2025 - Higher results represent better performance
AMD Ryzen 7 7745HX
3,950
AMD Ryzen 7 7840H
3,642
AMD Ryzen 9 7940H
3,928
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 7 7745HX AMD Ryzen 7 7840H AMD Ryzen 9 7940H
Max TDP55W54W54W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.