AMD Ryzen 3 PRO 5450U vs AMD Athlon PRO 3145B: comparison
Comparison of AMD Ryzen 3 PRO 5450U and AMD Athlon PRO 3145B: key differences and a full specification table.
Key differences
AMD Ryzen 3 PRO 5450U has more cores (4 vs 2), more threads (8 vs 4), a higher base clock (2.6 GHz vs 2.4 GHz) and a higher maximum clock (4 GHz vs 3.3 GHz).
Both processors match on: TDP (15 W), PCIe version (3).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | AMD Ryzen 3 PRO 5450U | AMD Athlon PRO 3145B |
|---|---|---|
| Cores / threads | 4 / 8 | 2 / 4 |
| Max boost clock | 4 GHz | 3.3 GHz |
| L3 cache | 8 MB | 4 MB |
| TDP | 15 W | 15 W |
| Process | 7 nm | 14 nm |
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | AMD Ryzen 3 PRO 5450U | AMD Athlon PRO 3145B |
|---|---|---|
| General | ||
| Codename | Cezanne | Dali |
| Segment | Mobile | Mobile |
| Product line | AMD Ryzen 3 PRO 5000 Series Mobile Processors | AMD Athlon PRO Mobile Processors with Radeon Graphics |
| Product family | AMD Ryzen PRO Processors | AMD Athlon PRO Processors |
| Process | 7 nm | 14 nm |
| Launch date | 03/16/2021 | Q1 2021 |
| Unlocked for overclocking | No | — |
| Operating system support | Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit | Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit |
| CPU | ||
| Cores | 4 | 2 |
| Threads | 8 | 4 |
| Base clock | 2.6 GHz | 2.4 GHz |
| Max boost clock | 4 GHz | 3.3 GHz |
| L1 cache | — | 192 MB |
| L2 cache | 2 MB | 1 MB |
| L3 cache | 8 MB | 4 MB |
| TDP | 15 W | 15 W |
| Configurable TDP | — | 12–25 W |
| Memory | ||
| Memory types | DDR4, LPDDR4 | DDR4 |
| Memory channels | — | 2 |
| Max memory speed | 3.2 GHz | 2.4 GHz |
| Graphics | ||
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Has integrated graphics | Yes | Yes |
| Graphics max frequency | 1.6 GHz | 1 GHz |
| Graphics units | 6 | 3 |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| Package and thermal | ||
| Sockets supported | FP6 | FP5 |
| TJUNCTION | 105 °C | 100 °C |
| Identifiers | ||
| Product ID (OEM) | 100-000000291 | YM3145C4T2OFG |