Intel Core i9 12900HK vs i7 11800H

We compared two laptop CPUs: the 2.5 GHz Intel Core i9 12900HK with 14-cores against the 1.9-2.3 GHz i7 11800H with 8-cores. 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 11800H and 12900HK
Advantages of Intel Core i9 12900HK
  • Unlocked multiplier
  • Has 6 more physical cores
  • Newer - released 8-months later
  • 9% higher Turbo Boost frequency (5 GHz vs 4.6 GHz)
Advantages of Intel Core i7 11800H
  • Supports up to 128 GB DDR4-3200 RAM


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 i7 11800H


Vendor Intel Intel
Released January 4, 2022 May 11, 2021
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Alder Lake-H Tiger Lake H45
Model number i9-12900HK i7-11800H
Socket BGA-1744 BGA-1787
Integrated GPU Iris Xe Graphics (96EU) UHD Graphics for 11th Gen (32 EU)


Cores 14 8
Threads 20 16
Base Frequency 2.5 GHz 1.9-2.3 GHz
Turbo Boost Frequency 5 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 25x 19-23x
Bus Bandwidth - 8 GT/s
L1 Cache 80K (per core) 96K (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 UHD Graphics for 11th Gen (32 EU)
GPU Base Clock 300 MHz 350 MHz
GPU Boost Clock 1450 MHz 1450 MHz
Shading Units 768 256
TMUs 48 16
ROPs 24 8
Execution Units 96 32
TGP 15 W 15 W
0.742 TFLOPS

Memory support

Memory types DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 DDR4-3200
Memory Size 64 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth - 51.2 GB/s
ECC Support No No


Official site Intel Core i9 12900HK official page Intel Core i7 11800H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
18 (78.3%)
5 (21.7%)
Total votes: 23


So which CPU will you choose: Intel Core i7 11800H or i9 12900HK?