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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 8945H vs Ryzen 7 7840HS

The AMD Ryzen 9 8945H is newer than AMD Ryzen 7 7840HS and has comparable multi-threaded (CPU Mark) and single-thread rating. However, AMD Ryzen 7 7840HS uses around 18% more 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 1631 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 8945H×AMD Ryzen 7 7840HS+ ADD
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Socket TypeFP7 FP7r2 FP8FP7 FP7r2 FP8
CPU ClassDesktop, LaptopLaptop
Clockspeed4.0 GHz3.8 GHz
Turbo SpeedUp to 5.2 GHzUp to 5.1 GHz
# of Physical Cores8 (Threads: 16)8 (Threads: 16)
CacheL1: 512KB, L2: 8.0MB, L3: 16MBL1: 512KB, L2: 8.0MB, L3: 16MB
TDP45W54W
Yearly Running Cost$8.21$9.86
Otherw/ Radeon 780M Graphicsw/ Radeon 780M Graphics
First Seen on ChartQ1 2024Q1 2023
# of Samples211610
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)3942(0.0%)3785(-4.0%)
CPU Mark(% diff. to max in group)30112(0.0%)28911(-4.0%)

CPU Mark Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Ryzen 9 8945H
30,112
AMD Ryzen 7 7840HS
28,911
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 1st of December 2024 - Higher results represent better performance
AMD Ryzen 9 8945H
3,942
AMD Ryzen 7 7840HS
3,785
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 8945H 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.