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Intel i9-12900HK vs i9-12900HX

The Intel Core i9-12900HX is newer than Intel Core i9-12900HK also around 20% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Core i9-12900HX uses around 20% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 874 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.

×Intel Core i9-12900HK×Intel Core i9-12900HX+ ADD
Price Search Online Search Online
Socket TypeFCBGA1744FCBGA1964
CPU ClassLaptopLaptop
Clockspeed2.5 GHz2.4 GHz
Turbo SpeedUp to 5.0 GHzUp to 5.0 GHz
# of Physical Cores14 (Threads: 20)16 (Threads: 24)
CacheL1: 1,248KB, L2: 11.5MB, L3: 24MBL1: 1,408KB, L2: 14.0MB, L3: 30MB
TDP45W55W
Yearly Running Cost$8.21$10.04
OtherIntel Iris Xe GraphicsIntel UHD Graphics for 12th Gen Intel Processors
First Seen on ChartQ1 2022Q2 2022
# of Samples559315
CPU Value42.755.8
Single Thread Rating(% diff. to max in group)3638(-4.7%)3817(0.0%)
CPU Mark(% diff. to max in group)27131(-19.7%)33790(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Core i9-12900HK
27,131
Intel Core i9-12900HX
33,790
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of January 2025 - Higher results represent better value
Intel Core i9-12900HK
42.7
Intel Core i9-12900HX
55.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of January 2025 - Higher results represent better performance
Intel Core i9-12900HK
3,638
Intel Core i9-12900HX
3,817
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.
Intel Core i9-12900HK Intel Core i9-12900HX
Max TDP45W55W
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.