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CPU Benchmarks

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AMD Ryzen AI Max 390 vs Ryzen 7 7840HX

The AMD Ryzen AI Max 390 is newer than AMD Ryzen 7 7840HX is around 8% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop, Laptop CPU Class. The values below were tabulated from a combined 43 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 AI Max 390×AMD Ryzen 7 7840HX+ ADD
Price Search Online Search Online
Socket TypeFP11FL1
CPU ClassDesktop, LaptopDesktop, Laptop
Clockspeed3.2 GHz2.9 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.1 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 24)
CacheL1: 960KB, L2: 12.0MB, L3: 64MBL1: 768KB, L2: 12.0MB, L3: 64MB
TDP55W55W
Yearly Running Cost$10.04$10.04
Otherw/ Radeon 8050SAMD Radeon 610M
First Seen on ChartQ1 2025Q4 2024
# of Samples2221
CPU Rank314305
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)4019(0.0%)3720(-7.4%)
CPU Mark(% diff. to max in group)41569(-2.8%)42758(0.0%)

CPU Mark Rating
As of 9th of February 2026 - Higher results represent better performance
AMD Ryzen AI Max 390
41,569
AMD Ryzen 7 7840HX
42,758
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 9th of February 2026 - Higher results represent better performance
AMD Ryzen AI Max 390
4,019
AMD Ryzen 7 7840HX
3,720
PassMark Software © 2008-2026
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 AI Max 390 AMD Ryzen 7 7840HX
Max TDP55W55W
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.