Intel Core i9 13900K vs i9 13900HX

We compared two 24-core CPUs: the 3.0 GHz Intel Core i9 13900K (desktop) against the 2.2 GHz i9 13900HX (laptop). 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
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
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.

Key Differences

What are the key differences between 13900HX and 13900K

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

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 1650 MB/sec 1310 MB/sec
Clang compilation 203.6 Klines/sec 163.5 Klines/sec
HTML 5 Browser 548.7 pages/sec 394.6 pages/sec
PDF Renderer 579.8 Mpixels/sec 476.7 Mpixels/sec
Text processing 318.2 pages/sec 286.1 pages/sec
Background blur 61.4 images/sec 52.1 images/sec
Photo processing 166.2 images/sec 133.8 images/sec
Ray tracing 47.1 Mpixels/sec 34.9 Mpixels/sec
Sources: GeekBench [1], [2]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 211.5 GOps/sec 162.2 GOps/sec
Floating point math 154.6 GOps/sec 114.9 GOps/sec
Find prime numbers 243M Primes/sec 205M Primes/sec
Random string sorting 90.7M Strings/sec 63M Strings/sec
Data encryption 47.7 GBytes/sec 33.3 GBytes/sec
Data compression 813.6 MBytes/sec 550.4 MBytes/sec
Physics 3110 Frames/sec 2742 Frames/sec
Extended instructions 47.6B Matrices/sec 31.9B Matrices/sec
Sources: PassMark [3], [4]

Value for money

Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.


Full technical specification of Intel Core i9 13900K and i9 13900HX


Vendor Intel Intel
Released September 27, 2022 January 3, 2023
Type Desktop Laptop
instruction set x86-64 x86-64
Codename Raptor Lake Raptor Lake
Model number i9-13900K i9-13900HX
Integrated GPU UHD Graphics 770 UHD Graphics (32EU)


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.0 GHz 2.2 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Efficient Cores
E-Cores 16 16
E-Threads 16 16
Base Frequency (E) 2.2 GHz 1.6 GHz
Turbo Boost Frequency (E) 4.3 GHz 3.9 GHz
Total Cores 24 24
Total Threads 32 32
Bus Frequency 100 MHz 100 MHz
Multiplier 30x 22x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 36MB (shared) 36MB (shared)
Unlocked Multiplier Yes Yes


Fabrication process 10 nm 10 nm
TDP (PL1) 125 W 45-55 W (configurable)
Max. Boost TDP (PL2) 253 W 157 W
Socket LGA-1700 BGA-1964
Peak temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 770 Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1650 MHz 1650 MHz
Shading Units 256 256
TMUs 16 16
ROPs 8 8
Execution Units 32 32
TGP 15 W 45 W

Memory Support

Memory types - DDR5-5600
- DDR4-3200
- DDR5-5600
- DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 89.6 GB/s
ECC Support Yes Yes


Official site Intel Core i9 13900K official page Intel Core i9 13900HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
24 (32.4%)
50 (67.6%)
Total votes: 74


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