Technical Specifications
Performance
| Total Cores | 20 |
|---|---|
| L3 Cache | 30MB (shared) |
| L2 Cache | 2MB (per core) |
| L1 Cache | 112K (per core) |
| TGP | 14 W |
Graphics
| Integrated GPU | Arc Graphics (4-Cores) |
|---|---|
| Execution Units | 64 |
Technical
| Vendor | Intel |
|---|---|
| Released | January 6, 2025 |
Other Specifications
| File compression | 1140 MB/sec |
|---|---|
| Clang compilation | 149.8 Klines/sec |
| HTML 5 Browser | 312.2 pages/sec |
| PDF Renderer | 423.9 Mpixels/sec |
| Text processing | 335.6 pages/sec |
| Background blur | 64.1 images/sec |
| Photo processing | 111.8 images/sec |
| Ray tracing | 31.1 Mpixels/sec |
| Integer math | 131 GOps/sec |
| Floating point math | 167.3 GOps/sec |
| Find prime numbers | 415M Primes/sec |
| Random string sorting | 65M Strings/sec |
| Data encryption | 41 GBytes/sec |
| Data compression | 536.9 MBytes/sec |
| Physics | 3060 Frames/sec |
| Extended instructions | 43.1B Matrices/sec |
| Cinebench 2024 / Watt | 30.8 PPW |
| Geekbench 6 Multi / Watt | 289.5 PPW |
| Passmark CPU Mark / Watt | 907.9 PPW |
| Blender / Watt | 7.11 PPW |
| Type | Laptop |
| Instruction Set | x86-64 |
| Codename | Arrow Lake |
| Model number | 255HX |
| Rival Equivalent | AMD Ryzen AI Max Pro 380 |
| P-Cores | 8 |
| P-Threads | 8 |
| Base Frequency (P) | 2.4 GHz |
| Turbo Boost Frequency (P) | 5.2 GHz |
| E-Cores | 12 |
| E-Threads | 12 |
| Base Frequency (E) | 1.8 GHz |
| Turbo Boost Frequency (E) | 4.5 GHz |
| Total Threads | 20 |
| Bus Frequency | 100 MHz |
| Multiplier | 24x |
| Unlocked Multiplier | Yes |
| Fabrication Process | 3 nm |
| TDP (PL1) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 160 W |
| Socket | FCBGA-2114 |
| Peak Temperature | 105°C |
| Integrated Graphics | Arc Graphics (4-Cores) |
| GPU Base Clock | 300 MHz |
| GPU Boost Clock | 1850 MHz |
| Shading Units | 512 |
| TMUs | 32 |
| ROPs | 16 |
| Memory Types | - DDR5-6400 |
| Max. Memory Size | 256 GB |
| Memory Channels | 2 |
| ECC Support | Yes |
| Official Site | Intel Core Ultra 7 255HX official page |
| PCI Express Version | 5.0 |
| PCI Express Lanes | 24 |
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