Product Compare
AMD Ryzen 5 PRO 8640U vs Intel Core i7 1255U
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Apr 2024 | Feb 2022 |
| Manufacturer | AMD | Intel |
| Type | Laptop | Laptop |
| Core Architecture | Hawk Point | Alder Lake |
| Integrated Graphics | Radeon 760M | Iris Xe Graphics (96EU) |
| Generation | Ryzen 5 (Zen 4 (Hawk Point)) | |
| Instruction Set | x86-64 | |
| Processor Number | i7-1255U | |
| Package | ||
| Transistor Count | 25 billions | |
| Manufacturing Process | 4 nm | 10 nm |
| Socket | AMD Socket FP7 | BGA-1744 |
| Power Consumption | 28 W | 12-15 W |
| Foundry | TSMC | |
| Die Size | 178 mm² | |
| Package | FP7, FP7r2 | |
| Max Turbo Power Consumption | 55 W | |
| Peak Operating Temperature | 100°C | |
| CPU Performance | ||
| Performance Core Base Frequency | 3.5 GHz | 1.7 GHz |
| Performance Core Turbo Frequency | 4.9 GHz | 4.7 GHz |
| Total Core Count | 6 | 10 |
| Total Thread Count | 12 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 35.0 | 17x |
| L1 Cache | 64 KB per core | 80 K per core |
| L2 Cache | 1 MB per core | 1280 K per core |
| L3 Cache | 16 MB shared | 12 MB shared |
| Unlocked Multiplier | No | No |
| SMP | 1 | |
| Performance Cores | 2 | |
| Performance Core Threads | 4 | |
| Efficiency Cores | 8 | |
| Efficiency Core Threads | 8 | |
| Efficiency Core Base Frequency | 1.2 GHz | |
| Efficiency Core Turbo Frequency | 3.5 GHz | |
| Memory Parameters | ||
| Memory Types | DDR5-5600 | DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 |
| Max Memory Channels | 2 | 2 |
| ECC Memory Support | Yes | No |
| Max Memory Size | 64 GB | |
| Max Memory Bandwidth | 76.8 GB/s | |
| Miscellaneous | ||
| PCIe Version | 4 | 4.0 |
| PCIe Lanes | 20 | 20 |
| Official Website | Official Link ↗ | |
| Graphics Card Parameters | ||
| Integrated Graphics | true | |
| GPU Base Frequency | 300 MHz | |
| GPU Max Dynamic Frequency | 1250 MHz | |
| Shader Units | 768 | |
| Texture Units | 48 | |
| Raster Operation Units | 24 | |
| Execution Units | 96 | |
| Power Consumption | 15 W | |
| Benchmarks | ||
| Cinebench R23 Single Core | 1552 | 1701 |
| Cinebench R23 Multi Core | 10675 | 8233 |
| Geekbench 6 Single Core | 2519 | 2248 |
| Geekbench 6 Multi Core | 10308 | 7162 |