Intel Core Ultra X9 388H vs Ultra 9 386H
We compared two 16-core laptop CPUs: the 2.1 GHz Intel Core Ultra X9 388H against the 2.1 GHz Ultra 9 386H. 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 powerful Intel Arc B390 integrated graphics: 7.7 vs 2.6 TFLOPS
- 4% higher Turbo Boost frequency (5.1 GHz vs 4.9 GHz)
Advantages of Intel Core Ultra 9 386H
- Supports up to 128 GB LPDDR5X-9600 RAM
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 539 | 502 |
| Cinebench 2026 (Multi) | 5375 | 4687 |
Cinebench Scores (85th and 102nd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1490 MB/sec | 1420 MB/sec |
| Clang compilation | 141.1 Klines/sec | 118.2 Klines/sec |
| HTML 5 Browser | 477.4 pages/sec | 426.1 pages/sec |
| PDF Renderer | 539.5 Mpixels/sec | 483.8 Mpixels/sec |
| Text processing | 323.1 pages/sec | 286.3 pages/sec |
| Background blur | 61.5 images/sec | 65.7 images/sec |
| Photo processing | 177.3 images/sec | 157.6 images/sec |
| Ray tracing | 28.4 Mpixels/sec | 24.3 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 91.2 GOps/sec | 87.7 GOps/sec |
| Floating point math | 112.9 GOps/sec | 109.4 GOps/sec |
| Find prime numbers | 357M Primes/sec | 347M Primes/sec |
| Random string sorting | 43.7M Strings/sec | 43.6M Strings/sec |
| Data encryption | 28.4 GBytes/sec | 27.8 GBytes/sec |
| Data compression | 360.2 MBytes/sec | 365.2 MBytes/sec |
| Physics | 3207 Frames/sec | 3086 Frames/sec |
| Extended instructions | 29.7B Matrices/sec | 30.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 53.7 PPW | 49.6 PPW |
| Geekbench 6 Multi / Watt | 701.8 PPW | 668.2 PPW |
| Passmark CPU Mark / Watt | 1468.8 PPW | 1446.8 PPW |
| Blender / Watt | 11.89 PPW | 9.76 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 Ultra 9 386HGeneral
| Vendor | Intel | Intel |
| Released | January 5, 2026 | January 5, 2026 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Panther Lake | Panther Lake |
| Model number | 388H | 386H |
| Integrated GPU | Arc B390 | Xe3 Graphics |
| Rival Equivalent | - AMD Ryzen AI Max 390 | - AMD Ryzen AI 9 HX 470 |
Intel CPU rating (28th and 43rd place)
CPU
| P-Cores | 4 | 4 |
| P-Threads | 4 | 4 |
| Base Frequency (P) | 2.1 GHz | 2.1 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 4.9 GHz |
| E-Cores | 12 | 12 |
| E-Threads | 12 | 12 |
| Base Frequency (E) | 1.6 GHz | 1.6 GHz |
| Turbo Boost Frequency (E) | 4 GHz | 3.7 GHz |
| Total Cores | 16 | 16 |
| Total Threads | 16 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 21x | 20x |
| L1 Cache | 192K (per core) | 192K (per core) |
| L2 Cache | 3MB (per core) | 2560K (per core) |
| L3 Cache | 18MB (shared) | 18MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication Process | 2 nm | 2 nm |
| TDP (PL1) | 15-25 W (configurable) | 15-25 W (configurable) |
| Max. Boost TDP (PL2) | 80 W | 80 W |
| Socket | FCBGA2540 | FCBGA2540 |
| Peak Temperature | 100°C | 100°C |
Laptop processors ranking (32nd and 54th place)
iGPU
| Integrated Graphics | Intel Arc B390 | Intel Xe3 Graphics |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2500 MHz | 2500 MHz |
| Shading Units | 1536 | 512 |
| TMUs | 48 | 32 |
| ROPs | 24 | 16 |
| Execution Units | 12 | 4 |
| TGP | 30 W | 25 W |
iGPU FLOPS
More info: Xe3 Graphics (4-Core) compared to Arc B390
Memory Support
| Memory Types | - LPDDR5X-9600 | - LPDDR5X-9600 - DDR5-7200 |
| Max. Memory Size | 96 GB | 128 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 153.6 GB/s | 153.6 GB/s |
| ECC Support | No | No |
Misc
| Official Site | Intel Core Ultra X9 388H official page | Intel Core Ultra 9 386H official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 12 | 20 |
Cast your vote
Total votes: 34