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
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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Key Differences
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 tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 539 | - |
| Cinebench 2026 (Multi) | 5375 | 4767 |
Cinebench Scores (85th and 134th place)
GeekBench v6
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 | - |
PassMark
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 |
Blender
Blender CPU
Performance Per Watt
| 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 475General
| 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
| 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 |
| 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 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
More info: Radeon 890M compared to Arc B390
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
Total votes: 53