Product Compare
AMD Ryzen 7 7840H vs AMD EPYC 7742
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jan 2023 | Aug 2019 |
| Manufacturer | AMD | AMD |
| Type | Laptop | Server |
| Core Architecture | Phoenix | Rome |
| Integrated Graphics | Radeon 780M | N/A |
| Generation | Ryzen 7 (Zen 4 (Phoenix)) | EPYC (Zen 2 (Rome)) |
| Package | ||
| Transistor Count | 25 billions | 3.8 billions |
| Manufacturing Process | 4 nm | 7 nm |
| Socket | AMD Socket FP8 | AMD Socket SP3 |
| Power Consumption | 35 W | 225 W |
| Peak Operating Temperature | 100 °C | |
| Foundry | TSMC | TSMC |
| Die Size | 178 mm² | 74 mm² |
| Package | FP8, FP7, FP7r2 | FCLGA-4094 |
| CPU Performance | ||
| Performance Core Base Frequency | 3.8 GHz | 2.25 GHz |
| Performance Core Turbo Frequency | 5.1 GHz | 3.4 GHz |
| Total Core Count | 8 | 64 |
| Total Thread Count | 16 | 128 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 38.0 | 22.5 |
| L1 Cache | 64 K per core | 96 K per core |
| L2 Cache | 1 MB per core | 512 K per core |
| L3 Cache | 16 MB shared | 256 MB shared |
| Unlocked Multiplier | No | No |
| SMP | 1 | 2 |
| Memory Parameters | ||
| Memory Types | DDR5-5600 | DDR4-3200 |
| Max Memory Size | 256 GB | |
| Max Memory Channels | 2 | 8 |
| Max Memory Bandwidth | 89.6 GB/s | |
| ECC Memory Support | Yes | Yes |
| Graphics Card Parameters | ||
| Integrated Graphics | true | |
| GPU Max Dynamic Frequency | 2700 MHz | |
| Execution Units | 12 | |
| Miscellaneous | ||
| Official Website | Official Link ↗ | |
| PCIe Version | 4 | 4 |
| PCIe Lanes | 20 | |
| Benchmarks | ||
| Geekbench 6 Single Core | 2625 | 404 |
| Geekbench 6 Multi Core | 11813 | 170 |