Intel Core Ultra X9 378H

- Brand: Intel
- Architecture: x86-64
- Codename: Panther Lake
- Form Factor: Laptop use
- Announced: May, 13, 2026
Review
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
Benchmark Tests
Performance comparison across tasks for Intel Core Ultra X9 378HBenchmarks
| Integer Math | 92.6 GOps/s |
| Floating-Point Math | 114.5 GOps/s |
| Prime Number Search | 357 M primes/s |
| Random String Sort | 44.6 M strings/s |
| Data Encryption | 29.8 GB/s |
| Data Compression | 386.6 MB/s |
| Physics | 3404 frames/s |
| Extended Instructions | 313 M matrices/s |
Performance/Watt
| Geekbench 6 Multi / W | 659.8 PPW | |
| PassMark CPU / W | 1531.9 PPW | |
| Cinebench 2024 / W | 52.8 PPW | |
Tech Specs
Specs & test comparisonGeneral Info
| Manufacturer | Intel | |
| Announced | May, 13, 2026 | |
| Type | Laptop use | |
| Architecture | x86-64 | |
| Codename | Panther Lake | |
| Model number | 388H | |
| Integrated GPU | Arc B390 | |
Processor
| Cores | 4 | |
| Threads | 4 | |
| Frequency | 2.0 GHz | |
| Max Frequency (Turbo) | 5 GHz | |
| Cores | 12 |
| Threads | 12 |
| Frequency | 1.6 GHz |
| Max Frequency (Turbo) | 3.8 GHz |
| Cores count | 16 |
| Threads count | 16 |
| Bus frequency | 100 MHz |
| Multiplier | 20x |
| L1 cache | 192 KB/core |
| L2 cache | 3000 KB/core |
| L3 Cache | 18 MB total |
| Unlocked multiplier | No |
Package
| Process tech. | 2 nm | |
| Power (TDP) | 15-25 W | |
| Max TDP (Boost) | 80 W | |
| Socket | FCBGA2540 | |
| Critical temp. | 100 °C | |
Memory Support
| Memory Type | LPDDR5X-9600 | |
| Max Size | 96 GB | |
| Channels | 2 | |
| ECC support | No | |
| Max memory bandwidth | 153.6 GB | |
Other
| PCIe Version | 5.0 | |
| Max PCIe Lanes | 12 | |
User Rating
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