Product Compare
AMD Ryzen 9 9955HX vs Apple M4 Ultra
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jan 2025 | May 2025 |
| Manufacturer | Amd | Apple |
| Type | Laptop | Desktop |
| Instruction Set | x86-64 | ARMv9 |
| Core Architecture | Zen 5 (Fire Range) | Apple M4 |
| Processor Number | 9955HX | |
| Integrated Graphics | Radeon 610M | Apple M4 Ultra GPU (80-core) |
| Series | Ryzen 9000 Series | |
| Package | ||
| Manufacturing Process | 4 nm | 3 nm |
| Socket | FL1 | Apple M-Socket |
| Power Consumption | 55-75 W | |
| Max Turbo Power Consumption | 101 W | |
| Peak Operating Temperature | 100 °C | 100 °C |
| CPU Performance | ||
| Performance Cores | 16 | 24 |
| Performance Core Threads | 32 | 24 |
| Performance Core Base Frequency | 2.5 GHz | 4.52 GHz |
| Performance Core Turbo Frequency | 5.4 GHz | |
| Total Core Count | 16 | 32 |
| Total Thread Count | 32 | 32 |
| Bus Frequency | 100 MHz | |
| Multiplier | 25 | 45 |
| L1 Cache | 80 K per core | |
| L2 Cache | 1 MB per core | |
| L3 Cache | 64 MB shared | |
| Unlocked Multiplier | Yes | No |
| Efficiency Cores | 8 | |
| Efficiency Core Threads | 8 | |
| Efficiency Core Base Frequency | 2.89 GHz | |
| Memory Parameters | ||
| Memory Types | DDR5-5600 | LPDDR5X-8533 |
| Max Memory Size | 96 GB | 192 GB |
| Max Memory Channels | 2 | 8 |
| Max Memory Bandwidth | 89.6 GB/s | |
| ECC Memory Support | No | No |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Base Frequency | 400 MHz | 500 MHz |
| GPU Max Dynamic Frequency | 2200 MHz | 1800 MHz |
| Shader Units | 128 | 10240 |
| Texture Units | 8 | 640 |
| Raster Operation Units | 4 | 320 |
| Execution Units | 2 | 1280 |
| Power Consumption | 15 | 120 |
| Miscellaneous | ||
| Official Website | Official Link ↗ | |
| PCIe Version | 5.0 | |
| PCIe Lanes | 28 | |
| Benchmarks | ||
| Geekbench 6 Single Core | 3228 | 4061 |
| Geekbench 6 Multi Core | 19559 | 32898 |