Intel Core i9 13900HX vs i7 12800HX

We compared two laptop CPUs: the 2.2 GHz Intel Core i9 13900HX with 24-cores against the 2.0 GHz i7 12800HX with 16-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 12800HX and 13900HX
Advantages of Intel Core i9 13900HX
  • Newer - released 8-months later
  • Has 8 more physical cores
  • Has 11264 KB larger L3 cache size
  • Around 12.8 GB/s (17%) higher theoretical memory bandwidth
  • 13% higher Turbo Boost frequency (5.4 GHz vs 4.8 GHz)
  • 14% faster in a single-core Geekbench v6 test - 2824 vs 2476 points

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 1310 MB/sec 1070 MB/sec
Clang compilation 163.5 Klines/sec 121.6 Klines/sec
HTML 5 Browser 394.6 pages/sec 358.2 pages/sec
PDF Renderer 476.7 Mpixels/sec 408.4 Mpixels/sec
Text processing 286.1 pages/sec 247.6 pages/sec
Background blur 52.1 images/sec 57.1 images/sec
Photo processing 133.8 images/sec 118 images/sec
Ray tracing 34.9 Mpixels/sec 29.2 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 162.2 GOps/sec 114.4 GOps/sec
Floating point math 114.9 GOps/sec 86 GOps/sec
Find prime numbers 205M Primes/sec 113M Primes/sec
Random string sorting 63M Strings/sec 45M Strings/sec
Data encryption 33.3 GBytes/sec 23 GBytes/sec
Data compression 550.4 MBytes/sec 408.8 MBytes/sec
Physics 2742 Frames/sec 1807 Frames/sec
Extended instructions 31.9B Matrices/sec 25.2B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i9 13900HX and i7 12800HX


Vendor Intel Intel
Released January 3, 2023 May 10, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Raptor Lake Alder Lake
Model number i9-13900HX i7-12800HX
Integrated GPU UHD Graphics (32EU) UHD Graphics (32EU)


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 2.2 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.4 GHz 4.8 GHz
Efficient Cores
E-Cores 16 8
E-Threads 16 8
Base Frequency (E) 1.6 GHz 1.5 GHz
Turbo Boost Frequency (E) 3.9 GHz 3.4 GHz
Total Cores 24 16
Total Threads 32 24
Bus Frequency 100 MHz 100 MHz
Multiplier 22x 20x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 2MB (per core) 1280K (per core)
L3 Cache 36MB (shared) 25MB (shared)
Unlocked Multiplier Yes Yes


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


Integrated Graphics Intel UHD Graphics (32EU) Intel UHD Graphics (32EU)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1650 MHz 1450 MHz
Shading Units 256 256
TMUs 16 16
ROPs 8 8
Execution Units 32 32
TGP 45 W 45 W

Memory Support

Memory types - DDR5-5600
- DDR4-3200
- DDR5-4800
- DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s 76.8 GB/s
ECC Support Yes No


Official site Intel Core i9 13900HX official page Intel Core i7 12800HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
3 (100%)
0 (0%)
Total votes: 3


So which CPU will you choose: Intel Core i7 12800HX or i9 13900HX?