Product Compare
Intel Core Ultra 7 251HX vs AMD Ryzen 5 Pro 9645
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Apr 2026 | Jan 2026 |
| Manufacturer | Intel | Amd |
| Type | Laptop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Arrow Lake | Zen 5 (Granite Ridge) |
| Processor Number | 251HX | 9645 |
| Integrated Graphics | Arc Graphics (4-Cores) | Radeon Graphics |
| Package | ||
| Manufacturing Process | 3 nm | 4 nm |
| Socket | FCBGA-2114 | AM5 |
| Power Consumption | 45-55 W | 65 W |
| Max Turbo Power Consumption | 160 W | |
| Peak Operating Temperature | 105 °C | 95 °C |
| CPU Performance | ||
| Performance Cores | 6 | 6 |
| Performance Core Threads | 6 | 12 |
| Performance Core Base Frequency | 2.9 GHz | 3.9 GHz |
| Performance Core Turbo Frequency | 5.1 GHz | 5.4 GHz |
| Efficiency Cores | 12 | |
| Efficiency Core Threads | 12 | |
| Efficiency Core Base Frequency | 2.5 GHz | |
| Efficiency Core Turbo Frequency | 4.5 GHz | |
| Total Core Count | 18 | 6 |
| Total Thread Count | 18 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 29 | 39 |
| L1 Cache | 192 K per core | 80 K per core |
| L2 Cache | 2 MB per core | 1 MB per core |
| L3 Cache | 30 MB shared | 32 MB shared |
| Unlocked Multiplier | Yes | Yes |
| Memory Parameters | ||
| Memory Types | DDR5-6400 | DDR5-5600 |
| Max Memory Size | 256 GB | |
| Max Memory Channels | 2 | |
| Max Memory Bandwidth | 102.4 GB/s | |
| ECC Memory Support | No | Yes |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Base Frequency | 300 MHz | 400 MHz |
| GPU Max Dynamic Frequency | 1800 MHz | 2200 MHz |
| Shader Units | 512 | 128 |
| Texture Units | 32 | 8 |
| Raster Operation Units | 16 | 4 |
| Execution Units | 64 | 2 |
| Power Consumption | 14 | 15 |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 5.0 | 5.0 |
| PCIe Lanes | 24 | 28 |
| Benchmarks | ||
| Geekbench 6 Single Core | 2940 | 3285 |
| Geekbench 6 Multi Core | 15262 | 13515 |
| Cinebench 2024 Single Core | 130 | 132 |
| Cinebench 2024 Multi Core | 1761 | 969 |