Intel Core i9 13900H vs AMD Ryzen 9 7845HX

We compared two laptop CPUs: the 2.6 GHz Intel Core i9 13900H with 14-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 13900H
Advantages of Intel Core i9 13900H
  • More powerful Intel Iris Xe Graphics (96 EU) integrated graphics: 2.3 vs 0.6 TFLOPS
  • Supports up to 96 GB DDR5-5200 RAM
  • Has 2 more physical cores
  • 4% higher Turbo Boost frequency (5.4 GHz vs 5.2 GHz)
Advantages of AMD Ryzen 9 7845HX
  • Has 40 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process – 5 versus 10 nanometers
  • Unlocked multiplier
  • 15% faster in a single-core Geekbench v6 test - 3076 vs 2676 points

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 2026 (Single) 614 -
Cinebench 2026 (Multi) 4378 -
Cinebench Scores (#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)
17533
File compression 1320 MB/sec 1510 MB/sec
Clang compilation 107.9 Klines/sec 187.5 Klines/sec
HTML 5 Browser 372.2 pages/sec 293.3 pages/sec
PDF Renderer 426.6 Mpixels/sec 473.4 Mpixels/sec
Text processing 270.4 pages/sec 322.5 pages/sec
Background blur 59.2 images/sec 71.1 images/sec
Photo processing 135.5 images/sec 100.1 images/sec
Ray tracing 24.7 Mpixels/sec 43.5 Mpixels/sec
Sources: GeekBench [1], [2] – 897 & 494 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
44411
Integer math 95.4 GOps/sec 152.9 GOps/sec
Floating point math 68.3 GOps/sec 92.9 GOps/sec
Find prime numbers 102M Primes/sec 327M Primes/sec
Random string sorting 35M Strings/sec 62.9M Strings/sec
Data encryption 18.6 GBytes/sec 32.3 GBytes/sec
Data compression 320.1 MBytes/sec 534.1 MBytes/sec
Physics 1695 Frames/sec 2325 Frames/sec
Extended instructions 19B Matrices/sec 40.2B Matrices/sec
Sources: PassMark [3], [4] – 4377 & 846 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
355.47

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.1 PPW 19 PPW
Geekbench 6 Multi / Watt 327.5 PPW 233.8 PPW
Passmark CPU Mark / Watt 602 PPW 592.1 PPW
Blender / Watt 4.72 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 13900H
DateBenchmarkResult
πŸ“˜ 2026-06-12 -> sevensraysCinebench 2026614 / 4378
πŸ“˜ 2026-06-12 -> sevensraysGeekbench 6 CPU2382 / 13356
πŸ“˜ 2025-06-24 (JoseBedo)Cinebench 2024113 / 723
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 13900H 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 i9-13900H 7845HX
Integrated GPU Iris Xe Graphics (96 EU) Radeon 610M
Rival Equivalent - AMD Ryzen 9 7940HS - Intel Core i9 13900HX
Successor - Intel Core Ultra 9 288V - AMD Ryzen 9 9850HX
Intel CPU rating (#95th place)
AMD Ryzen CPU ranking (#37th place)

CPU

Performance Cores
P-Cores 6 12
P-Threads 12 24
Base Frequency (P) 2.6 GHz 3.0 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.2 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 1.9 GHz -
Turbo Boost Frequency (E) 4.1 GHz -
Total
Total Cores 14 12
Total Threads 20 24
Bus Frequency 100 MHz 100 MHz
Multiplier 26x 30x
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

Package

Transistors - 13.1 billions
Fabrication Process 10 nm 5 nm
TDP (PL1) 35-45 W (configurable) 45-75 W (configurable)
Max. Boost TDP (PL2) 115 W -
Socket BGA-1744 FL1
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (123rd and 60th place)

iGPU

Integrated Graphics Intel Iris Xe Graphics (96 EU) Radeon 610M
GPU Base Clock 300 MHz 400 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
iGPU FLOPS
2.3 TFLOPS
0.6 TFLOPS

Memory Support

Memory Types - DDR5-5200
- DDR4-3200
- LPDDR5-6400
- LPDDR5x-6400
- LPDDR4x-4267
- DDR5-5200
Max. Memory Size 96 GB 64 GB
Memory Channels 2 2
ECC Support No No

Misc

Official Site Intel Core i9 13900H official page AMD Ryzen 9 7845HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
14 (12%)
103 (88%)
Total votes: 117

Comments

So which CPU will you choose: AMD Ryzen 9 7845HX or Intel Core i9 13900H?
🌐 Register your profile and become part of NanoReview community!