Intel Core Ultra X9 378H vs Ultra X7 358H
We compared two 16-core laptop CPUs: the 2.0 GHz Intel Core Ultra X9 378H against the 1.9 GHz Ultra X7 358H. 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 378H
- 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | 535 | 502 |
| Cinebench 2026 (Multi) | 5201 | 4689 |
Cinebench Scores (89th and 126th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | - | 1210 MB/sec |
| Clang compilation | - | 98.2 Klines/sec |
| HTML 5 Browser | - | 371.3 pages/sec |
| PDF Renderer | - | 368 Mpixels/sec |
| Text processing | - | 293 pages/sec |
| Background blur | - | 59.2 images/sec |
| Photo processing | - | 118.3 images/sec |
| Ray tracing | - | 19.7 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 92.6 GOps/sec | 82.8 GOps/sec |
| Floating point math | 114.5 GOps/sec | 103.3 GOps/sec |
| Find prime numbers | 357M Primes/sec | 336M Primes/sec |
| Random string sorting | 44.6M Strings/sec | 40.2M Strings/sec |
| Data encryption | 29.8 GBytes/sec | 25.9 GBytes/sec |
| Data compression | 386.6 MBytes/sec | 331.3 MBytes/sec |
| Physics | 3404 Frames/sec | 3011 Frames/sec |
| Extended instructions | 31.3B Matrices/sec | 27.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 52.8 PPW | 44.6 PPW |
| Geekbench 6 Multi / Watt | 659.8 PPW | 682.5 PPW |
| Passmark CPU Mark / Watt | 1531.9 PPW | 1346.9 PPW |
| Blender / Watt | - | 11.27 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra X9 378H
No benchmark results yet
Intel Core Ultra X7 358H
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-09-05 -> asterismx | Geekbench 6 CPU | 2910 / 17150 |
| ๐ 2026-09-05 -> asterismx | Cinebench 2024 | 126 / 1182 |
| ๐ 2026-09-05 -> asterismx | Cinebench 2026 | 0 / 4753 |
Specifications
Full technical specification of Intel Core Ultra X9 378H and Ultra X7 358HGeneral
| Vendor | Intel | Intel |
| Released | May 13, 2026 | January 5, 2026 |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Panther Lake | Panther Lake |
| Model number | 388H | 358H |
| Integrated GPU | Arc B390 | Arc B390 |
Intel CPU rating (26th and 38th place)
CPU
| P-Cores | 4 | 4 |
| P-Threads | 4 | 4 |
| Base Frequency (P) | 2.0 GHz | 1.9 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 4.8 GHz |
| E-Cores | 12 | 12 |
| E-Threads | 12 | 12 |
| Base Frequency (E) | 1.6 GHz | 1.5 GHz |
| Turbo Boost Frequency (E) | 3.8 GHz | 3.5 GHz |
| Total Cores | 16 | 16 |
| Total Threads | 16 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 20x | 19x |
| L1 Cache | 192K (per core) | 192K (per core) |
| L2 Cache | 3MB (per core) | 3MB (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 | 100ยฐC | 100ยฐC |
Laptop processors ranking (29th and 46th place)
iGPU
| Integrated Graphics | Intel Arc B390 | Intel Arc B390 |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 2500 MHz | 2500 MHz |
| Shading Units | 1536 | 1536 |
| TMUs | 48 | 48 |
| ROPs | 24 | 24 |
| Execution Units | 12 | 12 |
| TGP | 30 W | 30 W |
iGPU FLOPS
Memory Support
| Memory Types | - LPDDR5X-9600 | - LPDDR5X-9600 |
| Max. Memory Size | 96 GB | 96 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 378H official page | Intel Core Ultra X7 358H official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 12 | 12 |
Cast your vote
Total votes: 1