Intel Core Ultra 7 255HX vs Intel Core Ultra X7 358H
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Compared 2 processors: Intel Core Ultra 7 255HX, vs Intel Core Ultra X7 358H. Below are specs, tests, pros and cons for each device
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
Tests & specs
Specs & test comparisonBenchmarks
| Integer Math | n/a | 83.2 GOps/s |
| Floating-Point Math | n/a | 105.6 GOps/s |
| Prime Number Search | n/a | 350 M primes/s |
| Random String Sort | n/a | 41.8 M strings/s |
| Data Encryption | n/a | 26.7 GB/s |
| Data Compression | n/a | 346.8 MB/s |
| Physics | n/a | 3055 frames/s |
| Extended Instructions | n/a | 289 M matrices/s |
| File Compression | 1270 MB/s | 1350 MB/s |
| Clang Compilation | 187.3 KLines/s | 75.9 KLines/s |
| HTML5 Browser | 337.9 pages/s | 432.9 pages/s |
| PDF Rendering | 488.3 MP/sec | 446.5 MP/sec |
| Text Processing | 336.6 pages/s | 289.4 pages/s |
| Background Blur | 72.7 frames/s | 66 frames/s |
| Photo Processing | 121.8 frames/s | 152 frames/s |
| Ray Tracing | 39.7 MP/sec | 26.2 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 319.9 PPW | 675.9 PPW |
| PassMark CPU / W | n/a | 1358.6 PPW |
| Cinebench 2024 / W | 28.9 PPW | 45 PPW |
| Blender / W | n/a | 11.27 PPW |
General Info
| Manufacturer | Intel | Intel |
| Announced | January, 6, 2025 | January, 5, 2026 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Arrow Lake | Panther Lake |
| Model number | 255HX | 358H |
| Integrated GPU | Arc Graphics (4-Cores) | Arc B390 |
Processor
| Cores | 8 | 4 |
| Threads | 8 | 4 |
| Frequency | 2.4 GHz | 1.9 GHz |
| Max Frequency (Turbo) | 5.2 GHz | 4.8 GHz |
| Cores | 12 | 12 |
| Threads | 12 | 12 |
| Frequency | 1.8 GHz | 1.5 GHz |
| Max Frequency (Turbo) | 4.5 GHz | 3.7 GHz |
| Cores count | 20 | 16 |
| Threads count | 20 | 16 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 24x | 19x |
| L1 cache | 112 KB/core | 192 KB/core |
| L2 cache | 2000 KB/core | 2560 KB/core |
| L3 Cache | 30 MB total | 18 MB total |
| Unlocked multiplier | Yes | No |
Package
| Process tech. | 3 nm | 2 nm |
| Power (TDP) | 45-55 W | 15-25 W |
| Max TDP (Boost) | 160 W | 80 W |
| Socket | FCBGA-2114 | FCBGA2540 |
| Critical temp. | 105 °C | 100 °C |
Memory Support
| Memory Type | DDR5-6400 | LPDDR5X-9600 |
| Max Size | 192 GB | 96 GB |
| Channels | 2 | 2 |
| ECC support | Yes | No |
| Max memory bandwidth | n/a | 153.6 GB |
Other
| PCIe Version | 5.0 | 5.0 |
| Max PCIe Lanes | 24 | 12 |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 1
