Intel Core i9 13900HX vs AMD Ryzen 9 7845HX

We compared two laptop CPUs: the 2.2 GHz Intel Core i9 13900HX with 24-cores against the 3.0 GHz AMD Ryzen 9 7845HX with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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 7845HX and 13900HX
Advantages of Intel Core i9 13900HX
  • Supports up to 192 GB DDR5-5600 RAM
  • Has 12 more physical cores
  • More powerful Intel UHD Graphics (32EU) integrated graphics: 0.8 vs 0.6 TFLOPS
  • 4% higher Turbo Boost frequency (5.4 GHz vs 5.2 GHz)
Advantages of AMD Ryzen 9 7845HX
  • More modern manufacturing process – 5 versus 10 nanometers
  • Has 28 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (49th and 79th place)

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 1330 MB/sec 1510 MB/sec
Clang compilation 167.1 Klines/sec 187.5 Klines/sec
HTML 5 Browser 411.6 pages/sec 293.3 pages/sec
PDF Renderer 473.4 Mpixels/sec 473.4 Mpixels/sec
Text processing 281.2 pages/sec 322.5 pages/sec
Background blur 54.2 images/sec 71.1 images/sec
Photo processing 129.9 images/sec 100.1 images/sec
Ray tracing 35.7 Mpixels/sec 43.5 Mpixels/sec
Sources: GeekBench [1], [2] – 1097 & 494 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 151 GOps/sec 152.9 GOps/sec
Floating point math 106.8 GOps/sec 92.9 GOps/sec
Find prime numbers 184M Primes/sec 327M Primes/sec
Random string sorting 57.1M Strings/sec 62.9M Strings/sec
Data encryption 30.9 GBytes/sec 32.3 GBytes/sec
Data compression 511.7 MBytes/sec 534.1 MBytes/sec
Physics 2532 Frames/sec 2325 Frames/sec
Extended instructions 29.4B Matrices/sec 40.2B Matrices/sec
Sources: PassMark [3], [4] – 4223 & 846 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 31.6 PPW 19 PPW
Geekbench 6 Multi / Watt 307.6 PPW 233.8 PPW
Passmark CPU Mark / Watt 754.6 PPW 592.1 PPW
Blender / Watt 6.47 PPW 4.74 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
AMD Ryzen 9 7845HX
DateBenchmarkResult
πŸ“˜ 2025-06-21 (Sandormen)Cinebench 2024108 / 1036
πŸ“˜ 2025-02-11 (Link196)Cinebench 2024110 / 1424
πŸ“˜ 2025-01-26 (T)Cinebench 2024114 / 1477

Specifications

Full technical specification of Intel Core i9 13900HX and AMD Ryzen 9 7845HX

General

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 i9-13900HX 7845HX
Integrated GPU UHD Graphics (32EU) Radeon 610M
Rival Equivalent - AMD Ryzen 9 7845HX - Intel Core i9 13900HX
Successor - Intel Core Ultra 9 285HX - AMD Ryzen 9 9850HX
Intel CPU rating (#52nd place)
AMD Ryzen CPU ranking (#37th place)

CPU

Performance Cores
P-Cores 8 12
P-Threads 16 24
Base Frequency (P) 2.2 GHz 3.0 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.2 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 1.6 GHz -
Turbo Boost Frequency (E) 3.9 GHz -
Total
Total Cores 24 12
Total Threads 32 24
Bus Frequency 100 MHz 100 MHz
Multiplier 22x 30x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 36MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 13.1 billions
Fabrication Process 10 nm 5 nm
TDP (PL1) 45-55 W (configurable) 45-75 W (configurable)
Max. Boost TDP (PL2) 157 W -
Socket BGA-1964 FL1
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (63rd and 60th place)

iGPU

Integrated Graphics Intel UHD Graphics (32EU) Radeon 610M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 1650 MHz 2200 MHz
Shading Units 256 128
TMUs 16 8
ROPs 8 4
Execution Units 32 2
TGP 15 W 15 W
iGPU FLOPS
0.8 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR5-5600
- DDR4-3200
- DDR5-5200
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 AMD Ryzen 9 7845HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
178 (41.8%)
248 (58.2%)
Total votes: 426

Comments

So which CPU will you choose: AMD Ryzen 9 7845HX or Intel Core i9 13900HX?
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