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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 9955HX vs Ryzen 9 7945HX

The AMD Ryzen 9 9955HX is newer than AMD Ryzen 9 7945HX and is around 6% faster in multi-threaded (CPU Mark) testing. The AMD Ryzen 9 9955HX is around 10% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). 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 1523 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 9955HX×AMD Ryzen 9 7945HX+ ADD
Price Search Online Search Online
Socket TypeFL1FL1
CPU ClassDesktop, LaptopLaptop
Clockspeed2.5 GHz2.5 GHz
Turbo SpeedUp to 5.4 GHzUp to 5.4 GHz
# of Physical Cores16 (Threads: 32)16 (Threads: 32)
CacheL1: 1,280KB, L2: 16.0MB, L3: 64MBL1: 1,024KB, L2: 16.0MB, L3: 64MB
TDP55W55W
Yearly Running Cost$10.04$10.04
OtherAMD Radeon 610MAMD Radeon 610M
First Seen on ChartQ2 2025Q1 2023
# of Samples291494
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)4447(0.0%)4038(-9.2%)
CPU Mark(% diff. to max in group)57830(0.0%)54484(-5.8%)

CPU Mark Rating
As of 24th of June 2025 - Higher results represent better performance
AMD Ryzen 9 9955HX
57,830
AMD Ryzen 9 7945HX
54,484
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 24th of June 2025 - Higher results represent better performance
AMD Ryzen 9 9955HX
4,447
AMD Ryzen 9 7945HX
4,038
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 9955HX AMD Ryzen 9 7945HX
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.