Intel Core Ultra X9 388H
The Intel Core Ultra X9 388H is a 16-cores CPU (4 P-cores + 12 E-threads) laptop x86-64 processor built on a 2 nm process, featuring a 2.1 GHz base frequency with up to 5.1 GHz max turbo, 18M L3 Cache (shared) and integrated graphics Intel Arc B390. It supports LPDDR5X-9600 memory and PCIe 5.0.
GeekBench 6 Single-Core
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GeekBench 6 Multi-Core
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Cinebench 2024 Single-Core
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Cinebench 2024 Multi-Core
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Cinebench R23 Single-Core
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Cinebench R23 Multi-Core
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Passmark CPU Single-Core
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Passmark CPU Multi-Core
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iGPU
| Score | 7.7 TFLOPS |
Essentials
| Platform | Laptop |
| Lithography | 2 nm |
| Launch Date | 2026 Quarter 1 |
CPU cores and architecture
| Performance Cores | 4 |
| Performance Threads | 4 |
| Performance Base frequency | 2.1 GHz |
| Performance Boost frequency | 5.1 GHz |
| Efficient Cores | 12 |
| Efficient Threads | 12 |
| Efficient Base frequency | 1.6 GHz |
| Efficient Boost frequency | 4 GHz |
| L2 Cache | 2560K |
| L3 Cache | 18M |
| Overclocking | Yes |
Memory Specifications
| Memory Types | LPDDR5X-9600 |
| Max Memory Size | 96 GB |
| Memory Channels | 2 |
| ECC Support | Yes |
GPU Specifications
| GPU Name | Intel Arc B390 |
| Base Frequency | 300 MHz |
| Max Frequency | 2500 MHz |
Package
| Socket | Other |
| Max. Operating Temperature | 100 |
PCI Express
| PCI Express Version | 5.0 |
| PCI Express Lanes | 12 |
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