Home > CPU Comparison > Core i9 13900HX or Core i9 12900HK: what's better?

Intel Core i9 13900HX vs i9 12900HK

68 out of 100
Intel Core i9 13900HX
VS
55 out of 100
Intel Core i9 12900HK
Intel Core i9 13900HX
Intel Core i9 12900HK

We compared two laptop CPUs: the 2.2 GHz Intel Core i9 13900HX with 24-cores against the 2.5 GHz i9 12900HK with 14-cores. 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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 12900HK and 13900HX
Advantages of Intel Core i9 13900HX
  • Supports up to 192 GB DDR5-5600 RAM
  • Has 10 more physical cores
  • Has 12 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer - released 1 year later
  • Newer PCI Express version – 5.0
  • 21% faster in a single-core Geekbench v6 test - 2865 vs 2361 points
  • 8% higher Turbo Boost frequency (5.4 GHz vs 5 GHz)
Advantages of Intel Core i9 12900HK
  • More powerful Intel Iris Xe Graphics (96EU) integrated graphics: 2.2 vs 0.8 TFLOPS

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 13900HX
vs
Core i9 12900HK

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (48th and 152nd 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)
Core i9 13900HX +39%
16919
Core i9 12900HK
12179
File compression 1330 MB/sec 1040 MB/sec
Clang compilation 167.1 Klines/sec 85.9 Klines/sec
HTML 5 Browser 411.6 pages/sec 312.4 pages/sec
PDF Renderer 473.4 Mpixels/sec 363.1 Mpixels/sec
Text processing 281.2 pages/sec 225.4 pages/sec
Background blur 54.2 images/sec 49.7 images/sec
Photo processing 129.9 images/sec 111.5 images/sec
Ray tracing 35.7 Mpixels/sec 19.4 Mpixels/sec
Sources: GeekBench [1], [2] – 1097 & 1045 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i9 13900HX +66%
41501
Core i9 12900HK
25038
Integer math 151 GOps/sec 87.3 GOps/sec
Floating point math 106.8 GOps/sec 62.2 GOps/sec
Find prime numbers 184M Primes/sec 99M Primes/sec
Random string sorting 57.1M Strings/sec 32.2M Strings/sec
Data encryption 30.9 GBytes/sec 17 GBytes/sec
Data compression 511.7 MBytes/sec 287.8 MBytes/sec
Physics 2532 Frames/sec 1609 Frames/sec
Extended instructions 29.4B Matrices/sec 17.2B Matrices/sec
Sources: PassMark [3], [4] – 4223 & 1240 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 13900HX +99%
355.81
Core i9 12900HK
179.19

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 31.6 PPW 22.4 PPW
Geekbench 6 Multi / Watt 307.6 PPW 270.6 PPW
Passmark CPU Mark / Watt 754.6 PPW 556.4 PPW
Blender / Watt 6.47 PPW 3.98 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 13900HX
DateBenchmarkResult
πŸ“˜ 2025-10-01 (lubby)Cinebench 2024115 / 1737
πŸ“˜ 2025-04-12 (Mos)Cinebench 2024103 / 1014
πŸ“˜ 2024-08-11 (Guest #2)Cinebench 2024117 / 1580
Add View all (3)
Intel Core i9 12900HK
No benchmark results yet
Add

Specifications

Full technical specification of Intel Core i9 13900HX and i9 12900HK

General

Vendor Intel Intel
Released January 3, 2023 January 4, 2022
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Alder Lake
Model number i9-13900HX i9-12900HK
Integrated GPU UHD Graphics (32EU) Iris Xe Graphics (96EU)
Rival Equivalent - AMD Ryzen 9 7845HX - AMD Ryzen 9 6900HX
Successor - Intel Core Ultra 9 285HX - Intel Core i9 13900HK
Intel CPU rating (52nd and 116th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 2.2 GHz 2.5 GHz
Turbo Boost Frequency (P) 5.4 GHz 5 GHz
Efficient Cores
E-Cores 16 8
E-Threads 16 8
Base Frequency (E) 1.6 GHz 1.8 GHz
Turbo Boost Frequency (E) 3.9 GHz 3.8 GHz
Total
Total Cores 24 14
Total Threads 32 20
Bus Frequency 100 MHz 100 MHz
Multiplier 22x 25x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 36MB (shared) 24MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 45-55 W (configurable) 35-45 W (configurable)
Max. Boost TDP (PL2) 157 W 115 W
Socket BGA-1964 BGA-1744
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (63rd and 153rd place)

iGPU

Integrated Graphics Intel UHD Graphics (32EU) Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1650 MHz 1450 MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 24
Execution Units 32 96
TGP 15 W 15 W
iGPU FLOPS
Core i9 13900HX
0.8 TFLOPS
Core i9 12900HK +175%
2.2 TFLOPS
More info: Iris Xe Graphics G7 (96EU) compared to UHD Graphics Xe (32 EU)

Memory Support

Memory Types - DDR5-5600
- DDR4-3200		 - DDR5-4800
- DDR4-3200
- LPDDR5-5200
- LPDDR4x-4267
Max. Memory Size 192 GB 64 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes No

Misc

Official Site Intel Core i9 13900HX official page Intel Core i9 12900HK official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
4 (66.7%)
2 (33.3%)
Total votes: 6

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6. Intel Core i9 13900HX vs AMD Ryzen 9 7945HX (16)
7. Intel Core i9 13900HX vs Intel Core i9 14900HX (2)
8. Intel Core i9 13900HX vs Intel Core i7 14650HX
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10. Intel Core i9 12900HK vs Apple M2 Pro
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Comments

So which CPU will you choose: Intel Core i9 12900HK or i9 13900HX?
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