Intel Core i9 13900H vs AMD Ryzen 9 7945HX

We compared two laptop CPUs: the 2.6 GHz Intel Core i9 13900H with 14-cores against the 2.5 GHz AMD Ryzen 9 7945HX 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 7945HX and 13900H
Advantages of AMD Ryzen 9 7945HX
  • Has 40960 KB larger L3 cache size
  • More modern manufacturing process – 5 versus 10 nanometers
  • Unlocked multiplier
  • Has 2 more physical cores

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 1060 MB/sec 1330 MB/sec
Clang compilation 104.5 Klines/sec 195.8 Klines/sec
HTML 5 Browser 311.8 pages/sec 256.2 pages/sec
PDF Renderer 393.6 Mpixels/sec 433.7 Mpixels/sec
Text processing 253.9 pages/sec 287.1 pages/sec
Background blur 53.6 images/sec 61.5 images/sec
Photo processing 107.8 images/sec 95.4 images/sec
Ray tracing 23.5 Mpixels/sec 45.5 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 GOps/sec 216.3 GOps/sec
Floating point math 75.9 GOps/sec 129.6 GOps/sec
Find prime numbers 115M Primes/sec 292M Primes/sec
Random string sorting 39.3M Strings/sec 89.2M Strings/sec
Data encryption 20.8 GBytes/sec 44.7 GBytes/sec
Data compression 356.8 MBytes/sec 740.3 MBytes/sec
Physics 1891 Frames/sec 2440 Frames/sec
Extended instructions 21.2B Matrices/sec 55B Matrices/sec
Sources: PassMark [3], [4]


Full technical specification of Intel Core i9 13900H and AMD Ryzen 9 7945HX


Vendor Intel AMD
Released January 3, 2023 January 4, 2023
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Raptor Lake Zen 4 (Dragon Range)
Model number i9-13900H -
Integrated GPU Iris Xe Graphics (96 EU) Radeon 610M


Performance Cores
P-Cores 6 16
P-Threads 12 32
Base Frequency (P) 2.6 GHz 2.5 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.4 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.9 GHz -
Turbo Boost Frequency (E) 4.1 GHz -
Total Cores 14 16
Total Threads 20 32
Bus Frequency 100 MHz 100 MHz
Multiplier 26x 25x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 24MB (shared) 64MB (shared)
Unlocked Multiplier No Yes


Transistors - 13.1 billions
Fabrication process 10 nm 5 nm
TDP (PL1) 35-45 W (configurable) 55-75 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket BGA-1744 FL1
Peak temperature 100°C 100°C


Integrated Graphics Intel Iris Xe Graphics (96 EU) Radeon 610M
GPU Base Clock 300 MHz 1500 MHz
GPU Boost Clock 1500 MHz 2200 MHz
Shading Units 768 128
TMUs 48 8
ROPs 24 4
Execution Units 96 2
TGP 15 W 15 W

Memory Support

Memory types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
- DDR5-5200
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
ECC Support No No


Official site Intel Core i9 13900H official page AMD Ryzen 9 7945HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
13 (12.9%)
88 (87.1%)
Total votes: 101


So which CPU will you choose: AMD Ryzen 9 7945HX or Intel Core i9 13900H?