Home > CPU Comparison > Core i9 12900HK or Core i9 12900H: what's better?

Intel Core i9 12900HK vs i9 12900H

55 out of 100
Intel Core i9 12900HK
VS
55 out of 100
Intel Core i9 12900H
Intel Core i9 12900HK
Intel Core 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.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
๐Ÿ”Œ Usage Scenario:

Key Differences

What are the key differences between 12900H and 12900HK
Advantages of Intel Core i9 12900HK
  • Unlocked multiplier

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 12900HK
vs
Core i9 12900H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (152nd and 156th place)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 1040 MB/sec 898.1 MB/sec
Clang compilation 85.9 Klines/sec 97.6 Klines/sec
HTML 5 Browser 312.4 pages/sec 270 pages/sec
PDF Renderer 363.1 Mpixels/sec 325.3 Mpixels/sec
Text processing 225.4 pages/sec 248.3 pages/sec
Background blur 49.7 images/sec 52.7 images/sec
Photo processing 111.5 images/sec 94.2 images/sec
Ray tracing 19.4 Mpixels/sec 23.8 Mpixels/sec
Sources: GeekBench [1], [2] โ€“ 1045 & 626 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 87.3 GOps/sec 91.3 GOps/sec
Floating point math 62.2 GOps/sec 66 GOps/sec
Find prime numbers 99M Primes/sec 104M Primes/sec
Random string sorting 32.2M Strings/sec 34.4M Strings/sec
Data encryption 17 GBytes/sec 18 GBytes/sec
Data compression 287.8 MBytes/sec 308.2 MBytes/sec
Physics 1609 Frames/sec 1700 Frames/sec
Extended instructions 17.2B Matrices/sec 18.4B Matrices/sec
Sources: PassMark [3], [4] โ€“ 1240 & 3998 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 12900HK
179.19
Core i9 12900H +17%
210.35

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 22.4 PPW 21.9 PPW
Geekbench 6 Multi / Watt 270.6 PPW 265.9 PPW
Passmark CPU Mark / Watt 556.4 PPW 591 PPW
Blender / Watt 3.98 PPW 4.67 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i9 12900HK
No benchmark results yet
Add
Intel Core i9 12900H
DateBenchmarkResult
๐Ÿ“˜ 2025-11-21 (Robert L)Cinebench 2024104 / 765
๐Ÿ“˜ 2025-05-02 (Toksik Vegeta)Cinebench 2024107 / 984
Add View all (2)

Specifications

Full technical specification of Intel Core i9 12900HK and i9 12900H

General

Vendor Intel Intel
Released January 4, 2022 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i9-12900HK i9-12900H
Integrated GPU Iris Xe Graphics (96EU) Iris Xe Graphics (96EU)
Rival Equivalent - AMD Ryzen 9 6900HX - AMD Ryzen 9 6900HS
Successor - Intel Core i9 13900HK - Intel Core Ultra 9 288V
Intel CPU rating (116th and 115th place)

CPU

Performance Cores
P-Cores 6 6
P-Threads 12 12
Base Frequency (P) 2.5 GHz 2.5 GHz
Turbo Boost Frequency (P) 5 GHz 5 GHz
Efficient Cores
E-Cores 8 8
E-Threads 8 8
Base Frequency (E) 1.8 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.8 GHz 3.8 GHz
Total
Total Cores 14 14
Total Threads 20 20
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

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 35-45 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 115 W 115 W
Socket BGA-1744 BGA-1744
Peak Temperature 100ยฐC 100ยฐC
Laptop processors ranking (153rd and 152nd place)

iGPU

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
iGPU FLOPS
Core i9 12900HK
2.2 TFLOPS
Core i9 12900H
2.2 TFLOPS
See: Intel Iris Xe Graphics G7 (96EU) benchmarks

Memory Support

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

Misc

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
77 (41.2%)
110 (58.8%)
Total votes: 187

Competitors

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2. Intel Core i9 12900H vs AMD Ryzen 9 7940HS
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4. Intel Core i9 12900H vs Intel Core i9 13900H
5. Intel Core i9 12900H vs Apple M2 (2)
6. Intel Core i9 12900H vs Apple M2 Max (1)
7. Intel Core i9 12900H vs Intel Core Ultra 9 185H
8. Intel Core i9 12900HK vs Intel Core i9 12900HX (3)
9. Intel Core i9 12900HK vs AMD Ryzen 9 8945HS
10. Intel Core i9 12900HK vs AMD Ryzen 9 7940HS
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Comments

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