Product Compare
AMD Ryzen 7 Pro 7840HS vs AMD Ryzen 5 Pro 9645
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jun 2023 | Jan 2026 |
| Manufacturer | Amd | Amd |
| Type | Laptop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Zen 4 (Phoenix) | Zen 5 (Granite Ridge) |
| Integrated Graphics | Radeon 780M | Radeon Graphics |
| Processor Number | 9645 | |
| Package | ||
| Transistor Count | 25 billions | |
| Manufacturing Process | 4 nm | 4 nm |
| Socket | FP8 | AM5 |
| Power Consumption | 35-54 W | 65 W |
| Peak Operating Temperature | 100 °C | 95 °C |
| CPU Performance | ||
| Performance Cores | 8 | 6 |
| Performance Core Threads | 16 | 12 |
| Performance Core Base Frequency | 3.8 GHz | 3.9 GHz |
| Performance Core Turbo Frequency | 5.1 GHz | 5.4 GHz |
| Total Core Count | 8 | 6 |
| Total Thread Count | 16 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 38 | 39 |
| L1 Cache | 64 K per core | 80 K per core |
| L2 Cache | 8 MB | 1 MB per core |
| L3 Cache | 16 MB | 32 MB shared |
| Unlocked Multiplier | No | Yes |
| Memory Parameters | ||
| Memory Types | DDR5-5600, LPDDR5x-7500 | DDR5-5600 |
| Max Memory Size | 256 GB | |
| Max Memory Channels | 2 | |
| Max Memory Bandwidth | 89.6 GB/s | |
| ECC Memory Support | Yes | Yes |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Base Frequency | 800 MHz | 400 MHz |
| GPU Max Dynamic Frequency | 2700 MHz | 2200 MHz |
| Shader Units | 768 | 128 |
| Texture Units | 48 | 8 |
| Raster Operation Units | 32 | 4 |
| Execution Units | 12 | 2 |
| Power Consumption | 15 | 15 |
| Max Resolution | 7680x4320 - 60 Hz | |
| AI Accelerator | ||
| NPU | AMD Ryzen™ AI | |
| Theoretical performance | 10 TOPS | |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 4.0 | 5.0 |
| PCIe Lanes | 20 | 28 |
| Benchmarks | ||
| Cinebench R23 Single Core | 1757 | 2150 |
| Cinebench R23 Multi Core | 15930 | 17163 |
| Geekbench 6 Single Core | 2438 | 3285 |
| Geekbench 6 Multi Core | 11851 | 13515 |
| Cinebench 2024 Single Core | 102 | 132 |
| Cinebench 2024 Multi Core | 866 | 969 |