Intel Core Ultra X9 388H vs AMD Ryzen AI Max PRO 490
We compared two 16-core laptop CPUs: the 2.1 GHz Intel Core Ultra X9 388H against the 3.2 GHz AMD Ryzen AI Max PRO 490. 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
- Newer PCI Express version – 5.0
Advantages of AMD Ryzen AI Max PRO 490
- Newer - released 8 months later
- Has 46 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Supports up to 192 GB LPDDR5X-8533 RAM
- Supports quad-channel memory
- Around 102.4 GB/s (67%) higher theoretical memory bandwidth
- More powerful Radeon 8050S integrated graphics: 11.5 vs 7.7 TFLOPS
- 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 | - |
Cinebench Scores (#86th 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 | - |
| Floating point math | 112.9 GOps/sec | - |
| Find prime numbers | 357M Primes/sec | - |
| Random string sorting | 43.7M Strings/sec | - |
| Data encryption | 28.4 GBytes/sec | - |
| Data compression | 360.2 MBytes/sec | - |
| Physics | 3207 Frames/sec | - |
| Extended instructions | 29.7B Matrices/sec | - |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 53.7 PPW | - |
| Geekbench 6 Multi / Watt | 701.8 PPW | 159.2 PPW |
| Passmark CPU Mark / Watt | 1468.8 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 Max PRO 490General
| Vendor | Intel | Amd |
| Released | January 5, 2026 | September 5, 2026 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Panther Lake | - |
| Model number | 388H | 490 |
| Integrated GPU | Arc B390 | Radeon 8050S |
| Rival Equivalent | - AMD Ryzen AI Max 390 | - |
Intel CPU rating (#28th place)
CPU
| P-Cores | 4 | 16 |
| P-Threads | 4 | 32 |
| Base Frequency (P) | 2.1 GHz | 3.2 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 5.2 GHz |
| E-Cores | 12 | - |
| E-Threads | 12 | - |
| Base Frequency (E) | 1.6 GHz | - |
| Turbo Boost Frequency (E) | 4 GHz | - |
| Total Cores | 16 | 16 |
| Total Threads | 16 | 32 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 21x | 32x |
| L1 Cache | 192K (per core) | 80K (per core) |
| L2 Cache | 3MB (per core) | 1MB (per core) |
| L3 Cache | 18MB (shared) | 64MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 2 nm | 4 nm |
| TDP (PL1) | 15-25 W (configurable) | 45-120 W (configurable) |
| Max. Boost TDP (PL2) | 80 W | - |
| Socket | FCBGA2540 | FP11 |
| Peak Temperature | 100°C | 100°C |
Laptop processors ranking (#32nd place)
iGPU
| Integrated Graphics | Intel Arc B390 | Radeon 8050S |
| GPU Base Clock | 300 MHz | 1295 MHz |
| GPU Boost Clock | 2500 MHz | 2800 MHz |
| Shading Units | 1536 | 2048 |
| TMUs | 48 | 128 |
| ROPs | 24 | 64 |
| Execution Units | 12 | 32 |
| TGP | 30 W | 55 W |
iGPU FLOPS
More info: Radeon 8050S compared to Arc B390
Memory Support
| Memory Types | - LPDDR5X-9600 | - LPDDR5X-8533 |
| Max. Memory Size | 96 GB | 192 GB |
| Memory Channels | 2 | 4 |
| Max. Memory Bandwidth | 153.6 GB/s | 256 GB/s |
| ECC Support | No | Yes |
Misc
| Official Site | Intel Core Ultra X9 388H official page | AMD Ryzen AI Max PRO 490 official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 12 | 16 |
Cast your vote
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