AMD Ryzen 9 9955HX vs Intel Core Ultra 9 285HX
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Compared 2 processors: AMD Ryzen 9 9955HX, vs Intel Core Ultra 9 285HX. 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
Performance/Watt
| Geekbench 6 Multi / W | 260.8 PPW | 397.1 PPW |
| Cinebench 2024 / W | 27.4 PPW | 36.8 PPW |
General Info
| Manufacturer | AMD | Intel |
| Announced | January, 7, 2025 | January, 6, 2025 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 5 (Fire Range) | Arrow Lake |
| Model number | 9955HX | 285HX |
| Integrated GPU | Radeon 610M | Arc Graphics (4-Cores) |
Processor
| Cores | 16 | 8 |
| Threads | 32 | 8 |
| Frequency | 2.5 GHz | 2.8 GHz |
| Max Frequency (Turbo) | 5.4 GHz | 5.5 GHz |
| Cores | n/a | 16 |
| Threads | n/a | 16 |
| Frequency | n/a | 2.1 GHz |
| Max Frequency (Turbo) | n/a | 4.6 GHz |
| Cores count | 16 | 24 |
| Threads count | 32 | 24 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 28x |
| L1 cache | 80 KB/core | 112 KB/core |
| L2 cache | 1000 KB/core | 2000 KB/core |
| L3 Cache | 64 MB total | 36 MB total |
| Unlocked multiplier | Yes | Yes |
Package
| Process tech. | 4 nm | 3 nm |
| Power (TDP) | 55-75 W | 45-55 W |
| Max TDP (Boost) | 101 W | 160 W |
| Socket | FL1 | FCBGA-2114 |
| Critical temp. | 100 °C | 105 °C |
Memory Support
| Memory Type | DDR5-5600 | DDR5-6400 |
| Max Size | 96 GB | 192 GB |
| Channels | 2 | 2 |
| ECC support | No | Yes |
Other
| PCIe Version | 5.0 | 5.0 |
| Max PCIe Lanes | 28 | 24 |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 2
