Product Compare
AMD Ryzen 9 7940HS vs AMD Ryzen 5 8640U
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Apr 2023 | Dec 2023 |
| Manufacturer | AMD | AMD |
| Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Zen 4 (Phoenix) | Hawk Point |
| Integrated Graphics | Radeon 780M | Radeon 760M |
| Generation | Ryzen 5 (Zen 4 (Hawk Point)) | |
| Package | ||
| Transistor Count | 25 billions | 25 billions |
| Manufacturing Process | 4 nm | 4 nm |
| Socket | FP8 | FP7 |
| Power Consumption | 35-54 W | 15-30 W |
| Peak Operating Temperature | 100°C | 100°C |
| Foundry | TSMC | |
| Die Size | 178 mm² | |
| Package | FP8, FP7, FP7r2 | |
| CPU Performance | ||
| Performance Cores | 8 | 6 |
| Performance Core Threads | 16 | 12 |
| Performance Core Base Frequency | 4.0 GHz | 3.5 GHz |
| Performance Core Turbo Frequency | 5.2 GHz | 4.9 GHz |
| Total Core Count | 8 | 6 |
| Total Thread Count | 16 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 40x | 35x |
| L1 Cache | 64 K per core | 64 K per core |
| L2 Cache | 8 MB | 1 MB per core |
| L3 Cache | 16 MB | 16 MB shared |
| Unlocked Multiplier | No | No |
| SMP | 1 | |
| Memory Parameters | ||
| Memory Types | DDR5-5600, LPDDR5x-7500 | DDR5-5600, LPDDR5x-7500 |
| Max Memory Size | 256 GB | 256 GB |
| Max Memory Channels | 2 | 2 |
| Max Memory Bandwidth | 89.6 GB/s | 89.6 GB/s |
| ECC Memory Support | No | No |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Base Frequency | 800 MHz | 1500 MHz |
| GPU Max Dynamic Frequency | 2800 MHz | 2600 MHz |
| Shader Units | 768 | 384 |
| Texture Units | 48 | 24 |
| Raster Operation Units | 32 | 16 |
| Execution Units | 12 | 6 |
| Power Consumption | 15 | 15 W |
| 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 | 4.0 |
| PCIe Lanes | 20 | 20 |
| Benchmarks | ||
| Cinebench R23 Single Core | 1804 | 1780 |
| Cinebench R23 Multi Core | 15820 | 11267 |
| Geekbench 6 Single Core | 2534 | 2419 |
| Geekbench 6 Multi Core | 12852 | 10350 |