AMD Ryzen 9 9955HX vs AMD Ryzen 9 8945HX
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Compared 2 processors: AMD Ryzen 9 9955HX, vs AMD Ryzen 9 8945HX. 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
Blender
Performance/Watt
| Geekbench 6 Multi / W | 260.8 PPW | 304.7 PPW |
| PassMark CPU / W | n/a | 1016.9 PPW |
| Cinebench 2024 / W | 27.4 PPW | 31.3 PPW |
| Blender / W | n/a | 8.66 PPW |
General Info
| Manufacturer | AMD | AMD |
| Announced | January, 7, 2025 | April, 1, 2025 |
| Type | Laptop use | Laptop use |
| Architecture | x86-64 | x86-64 |
| Codename | Zen 5 (Fire Range) | Zen 4 (Dragon Range) |
| Model number | 9955HX | n/a |
| Integrated GPU | Radeon 610M | Radeon 610M |
Processor
| Cores | 16 | 16 |
| Threads | 32 | 32 |
| Frequency | 2.5 GHz | 2.5 GHz |
| Max Frequency (Turbo) | 5.4 GHz | 5.4 GHz |
| Cores count | 16 | 16 |
| Threads count | 32 | 32 |
| Bus frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 24x |
| L1 cache | 80 KB/core | 64 KB/core |
| L2 cache | 1000 KB/core | 1000 KB/core |
| L3 Cache | 64 MB total | 64 MB total |
| Unlocked multiplier | Yes | Yes |
Package
| Process tech. | 4 nm | 5 nm |
| Power (TDP) | 55-75 W | 55 W |
| Max TDP (Boost) | 101 W | 75 W |
| Socket | FL1 | FL1 |
| Critical temp. | 100 °C | 100 °C |
Memory Support
| Memory Type | DDR5-5600 | DDR5-5200 |
| Max Size | 96 GB | 64 GB |
| Channels | 2 | 2 |
| ECC support | No | No |
Other
| PCIe Version | 5.0 | 5.0 |
| Max PCIe Lanes | 28 | 28 |
| Tech | n/a | - Compute: AVX-512, BMI1, BMI2, F16C, SHA - Performance: Precision Boost 2, SMT - Virtualization: AMD-V - Security: EVP, NX-Bit, SMAP, SMEP |
Results
No clear favorite identified yet; updates may follow as new data arrives.
Survey
Total Votes: 53
