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Intel i9-12900H vs Ultra 7 155H

The Intel Core Ultra 7 155H is newer than Intel Core i9-12900H and is around -9% slower in multi-threaded (CPU Mark) testing. The Intel Core Ultra 7 155H is around -7% slower in single-thread testing. Also, Intel Core i9-12900H uses around 47% more power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 7849 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 i9-12900H×Intel Core Ultra 7 155H+ ADD
Price Search Online Search Online
Socket TypeFCBGA1744FCBGA2049
CPU ClassLaptopLaptop
Clockspeed2.5 GHz1.4 GHz
Turbo SpeedUp to 5.0 GHzUp to 4.8 GHz
# of Physical Cores14 (Threads: 20)16 (Threads: 22)
CacheL1: 1,248KB, L2: 11.5MB, L3: 24MBL1: 1,632KB, L2: 18.0MB, L3: 24MB
TDP45W28W
Yearly Running Cost$8.21$5.11
OtherIntel Iris Xe GraphicsIntel Arc graphics, Intel AI Boost
First Seen on ChartQ1 2022Q3 2023
# of Samples30344815
CPU Value43.949.2
Single Thread Rating(% diff. to max in group)3692(0.0%)3449(-6.6%)
CPU Mark(% diff. to max in group)27115(0.0%)24740(-8.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 11th of November 2025 - Higher results represent better performance
Intel Core i9-12900H
27,115
Intel Core Ultra 7 155H
24,740
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 11th of November 2025 - Higher results represent better value
Intel Core i9-12900H
43.9
Intel Core Ultra 7 155H
49.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 11th of November 2025 - Higher results represent better performance
Intel Core i9-12900H
3,692
Intel Core Ultra 7 155H
3,449
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 i9-12900H Intel Core Ultra 7 155H
Max TDP45W28W
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.