Intel Core i9 13905H vs i9 13900HX

We compared two laptop CPUs: the 2.6 GHz Intel Core i9 13905H with 14-cores against the 2.2 GHz i9 13900HX with 24-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
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

Key Differences

What are the key differences between 13900HX and 13905H
Advantages of Intel Core i9 13900HX
  • Unlocked multiplier
  • Supports up to 128 GB DDR5-5600 RAM
  • Has 10 more physical cores
  • Has 12288 KB larger L3 cache size

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 1320 MB/sec 1310 MB/sec
Clang compilation 105.2 Klines/sec 163.5 Klines/sec
HTML 5 Browser 359.9 pages/sec 394.6 pages/sec
PDF Renderer 422.7 Mpixels/sec 476.7 Mpixels/sec
Text processing 277.1 pages/sec 286.1 pages/sec
Background blur 55.2 images/sec 52.1 images/sec
Photo processing 132.8 images/sec 133.8 images/sec
Ray tracing 23.4 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 105.3 GOps/sec 162.2 GOps/sec
Floating point math 75.8 GOps/sec 114.9 GOps/sec
Find prime numbers 129M Primes/sec 205M Primes/sec
Random string sorting 40.1M Strings/sec 63M Strings/sec
Data encryption 22.2 GBytes/sec 33.3 GBytes/sec
Data compression 379 MBytes/sec 550.4 MBytes/sec
Physics 2201 Frames/sec 2742 Frames/sec
Extended instructions 22.3B Matrices/sec 31.9B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i9 13905H and i9 13900HX


Vendor Intel Intel
Released January 3, 2023 January 3, 2023
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Raptor Lake Raptor Lake
Model number i9-13905H i9-13900HX
Integrated GPU Iris Xe Graphics (96 EU) UHD Graphics (32EU)


Performance Cores
P-Cores 6 8
P-Threads 12 16
Base Frequency (P) 2.6 GHz 2.2 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Efficient Cores
E-Cores 8 16
E-Threads 8 16
Base Frequency (E) 1.9 GHz 1.6 GHz
Turbo Boost Frequency (E) 4.1 GHz 3.9 GHz
Total Cores 14 24
Total Threads 20 32
Bus Frequency 100 MHz 100 MHz
Multiplier 26x 22x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 24MB (shared) 36MB (shared)
Unlocked Multiplier No Yes


Fabrication process 10 nm 10 nm
TDP (PL1) 35-45 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 115 W 157 W
Socket BGA-1792 BGA-1964
Peak temperature 100°C 100°C


Integrated Graphics Intel Iris Xe Graphics (96 EU) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1500 MHz 1650 MHz
Shading Units 768 256
TMUs 48 16
ROPs 24 8
Execution Units 96 32
TGP 15 W 45 W

Memory Support

Memory types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
- DDR5-5600
- DDR4-3200
Memory Size 64 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth - 89.6 GB/s
ECC Support No Yes


Official site Intel Core i9 13905H official page Intel Core i9 13900HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 20

Cast your vote

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


So which CPU will you choose: Intel Core i9 13900HX or i9 13905H?