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Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 6900HX vs Ryzen 7 7840HS

The AMD Ryzen 7 7840HS is newer than AMD Ryzen 9 6900HX also around 14% faster in multi-threaded (CPU Mark) testing, it is around 9% faster in single-thread testing. However, AMD Ryzen 7 7840HS uses around 18% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 2639 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 6900HX×AMD Ryzen 7 7840HS+ ADD
Price Search Online Search Online
Socket TypeFP7FP7 FP7r2 FP8
CPU ClassLaptopLaptop
Clockspeed3.3 GHz3.8 GHz
Turbo SpeedUp to 4.9 GHzUp to 5.1 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 4.0MB, L3: 16MBL1: 512KB, L2: 8.0MB, L3: 16MB
TDP45W54W
Yearly Running Cost$8.21$9.86
OtherAMD Radeon 680Mw/ Radeon 780M Graphics
First Seen on ChartQ2 2022Q1 2023
# of Samples10561583
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)3442(-9.0%)3784(0.0%)
CPU Mark(% diff. to max in group)24768(-14.3%)28902(0.0%)

CPU Mark Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 9 6900HX
24,768
AMD Ryzen 7 7840HS
28,902
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of November 2024 - Higher results represent better performance
AMD Ryzen 9 6900HX
3,442
AMD Ryzen 7 7840HS
3,784
PassMark Software © 2008-2024
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 6900HX AMD Ryzen 7 7840HS
Max TDP45W54W
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.