Intel Core i9 12900HK vs i9 12900H

We compared two 14-core laptop CPUs: the 2.5 GHz Intel Core i9 12900HK against the 2.5 GHz i9 12900H. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 12900H and 12900HK
Advantages of Intel Core i9 12900HK
  • Unlocked multiplier
Advantages of Intel Core i9 12900H
  • 11% faster in a single-core Geekbench v5 test - 1847 vs 1665 points


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i9 12900HK and i9 12900H


Vendor Intel Intel
Released January 4, 2022 January 4, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake-H Alder Lake-H
Model number i9-12900HK i9-12900H
Socket BGA-1744 BGA-1744
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics (96EU)


Cores 14 14
Threads 20 20
Base Frequency 2.5 GHz 2.5 GHz
Turbo Boost Frequency 5 GHz 5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 25x 25x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 24MB (shared) 24MB (shared)
Unlocked Multiplier Yes No


Fabrication process 10 nm 10 nm
TDP 35-45 W 35-45 W
Max. temperature 100°C 100°C


Integrated Graphics Intel Iris Xe Graphics (96EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1450 MHz 1450 MHz
Shading Units 768 768
TMUs 48 48
ROPs 24 24
Execution Units 96 96
TGP 15 W 15 W

Memory support

Memory types DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
ECC Support No No


Official site Intel Core i9 12900HK official page Intel Core i9 12900H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
51 (36.4%)
89 (63.6%)
Total votes: 140


So which CPU will you choose: Intel Core i9 12900H or i9 12900HK?