Intel Core Ultra X9 388H vs AMD Ryzen AI 9 HX 475

We compared two laptop CPUs: the 2.1 GHz Intel Core Ultra X9 388H with 16-cores against the 2.0 GHz AMD Ryzen AI 9 HX 475 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.
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Key Differences

What are the key differences between 475 and 388H
Advantages of Intel Core Ultra X9 388H
  • More modern manufacturing process – 2 versus 4 nanometers
  • Around 64 GB/s (71%) higher theoretical memory bandwidth
  • Has 4 more physical cores
  • Newer PCI Express version – 5.0
  • More powerful Intel Arc B390 integrated graphics: 7.7 vs 6.3 TFLOPS
Advantages of AMD Ryzen AI 9 HX 475
  • Supports up to 256 GB DDR5-5600 RAM
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 2% higher Turbo Boost frequency (5.2 GHz vs 5.1 GHz)

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) 539 -
Cinebench 2026 (Multi) 5375 4767
Cinebench Scores (85th and 134th 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 1490 MB/sec -
Clang compilation 141.1 Klines/sec -
HTML 5 Browser 477.4 pages/sec -
PDF Renderer 539.5 Mpixels/sec -
Text processing 323.1 pages/sec -
Background blur 61.5 images/sec -
Photo processing 177.3 images/sec -
Ray tracing 28.4 Mpixels/sec -
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 91.2 GOps/sec 131.9 GOps/sec
Floating point math 112.9 GOps/sec 83.4 GOps/sec
Find prime numbers 357M Primes/sec 139M Primes/sec
Random string sorting 43.7M Strings/sec 52.3M Strings/sec
Data encryption 28.4 GBytes/sec 24.3 GBytes/sec
Data compression 360.2 MBytes/sec 504.1 MBytes/sec
Physics 3207 Frames/sec 2018 Frames/sec
Extended instructions 29.7B Matrices/sec 35.6B Matrices/sec
Sources: PassMark [3], [4]60 & 1 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 53.7 PPW 20 PPW
Geekbench 6 Multi / Watt 701.8 PPW 274.7 PPW
Passmark CPU Mark / Watt 1468.8 PPW 715.4 PPW
Blender / Watt 11.89 PPW -
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core Ultra X9 388H and AMD Ryzen AI 9 HX 475

General

Vendor Intel Amd
Released January 5, 2026 January 5, 2026
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Panther Lake Zen 5 (Gorgon Point)
Model number 388H 475
Integrated GPU Arc B390 Radeon 890M
Rival Equivalent - AMD Ryzen AI Max 390 - Intel Core Ultra 9 386H
Intel CPU rating (#28th place)
AMD Ryzen CPU ranking (#29th place)

CPU

Performance Cores
P-Cores 4 4
P-Threads 4 8
Base Frequency (P) 2.1 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.1 GHz 5.2 GHz
Efficient Cores
E-Cores 12 8
E-Threads 12 16
Base Frequency (E) 1.6 GHz 2.0 GHz
Turbo Boost Frequency (E) 4 GHz 3.3 GHz
Total
Total Cores 16 12
Total Threads 16 24
Bus Frequency 100 MHz 100 MHz
Multiplier 21x 20x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 3MB (per core) 1MB (per core)
L3 Cache 18MB (shared) 24MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 2 nm 4 nm
TDP (PL1) 15-25 W (configurable) 15-54 W (configurable)
Max. Boost TDP (PL2) 80 W -
Socket FCBGA2540 FP8
Peak Temperature 100°C 100°C
Laptop processors ranking (32nd and 40th place)

iGPU

Integrated Graphics Intel Arc B390 AMD Radeon 890M
GPU Base Clock 300 MHz 400 MHz
GPU Boost Clock 2500 MHz 3100 MHz
Shading Units 1536 1024
TMUs 48 64
ROPs 24 32
Execution Units 12 16
TGP 30 W 15 W
iGPU FLOPS
7.7 TFLOPS
6.3 TFLOPS

Memory Support

Memory Types - LPDDR5X-9600 - DDR5-5600
- LPDDR5X-8533
Max. Memory Size 96 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 153.6 GB/s 89.6 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra X9 388H official page AMD Ryzen AI 9 HX 475 official page
PCI Express Version 5.0 4.0
PCI Express Lanes 12 16

Cast your vote

Choose between two processors
32 (60.4%)
21 (39.6%)
Total votes: 53

Comments

So which CPU will you choose: AMD Ryzen AI 9 HX 475 or Intel Core Ultra X9 388H?
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