Technical Specifications
Performance
| Total Cores | 16 |
|---|---|
| L3 Cache | 64MB (shared) |
| L2 Cache | 1MB (per core) |
| L1 Cache | 80K (per core) |
| TGP | 15 W |
Graphics
| Integrated GPU | Radeon 610M |
|---|---|
| Execution Units | 2 |
Technical
| Vendor | Amd |
|---|---|
| Released | January 7, 2025 |
Other Specifications
| File compression | 1520 MB/sec |
|---|---|
| Clang compilation | 222.1 Klines/sec |
| HTML 5 Browser | 329.3 pages/sec |
| PDF Renderer | 545.2 Mpixels/sec |
| Text processing | 341.3 pages/sec |
| Background blur | 70.4 images/sec |
| Photo processing | 123 images/sec |
| Ray tracing | 53.8 Mpixels/sec |
| Integer math | 211.8 GOps/sec |
| Floating point math | 135.7 GOps/sec |
| Find prime numbers | 292M Primes/sec |
| Random string sorting | 76.7M Strings/sec |
| Data encryption | 37 GBytes/sec |
| Data compression | 721.1 MBytes/sec |
| Physics | 2734 Frames/sec |
| Extended instructions | 57B Matrices/sec |
| Cinebench 2024 / Watt | 27.9 PPW |
| Geekbench 6 Multi / Watt | 259.3 PPW |
| Passmark CPU Mark / Watt | 744.1 PPW |
| Blender / Watt | 7.19 PPW |
| Type | Laptop |
| Instruction Set | x86-64 |
| Codename | Zen 5 (Fire Range) |
| Model number | 9955HX |
| Rival Equivalent | Intel Core Ultra 9 285HX |
| P-Cores | 16 |
| P-Threads | 32 |
| Base Frequency (P) | 2.5 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz |
| Total Threads | 32 |
| Bus Frequency | 100 MHz |
| Multiplier | 25x |
| Unlocked Multiplier | Yes |
| Fabrication Process | 4 nm |
| TDP (PL1) | 55-75 W (configurable) |
| Max. Boost TDP (PL2) | 101 W |
| Socket | FL1 |
| Peak Temperature | 100°C |
| Integrated Graphics | Radeon 610M |
| GPU Base Clock | 400 MHz |
| GPU Boost Clock | 2200 MHz |
| Shading Units | 128 |
| TMUs | 8 |
| ROPs | 4 |
| Memory Types | - DDR5-5600 |
| Max. Memory Size | 96 GB |
| Memory Channels | 2 |
| ECC Support | Yes |
| Official Site | AMD Ryzen 9 9955HX official page |
| PCI Express Version | 5.0 |
| PCI Express Lanes | 28 |
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