AMD Ryzen 9 5900HX vs AMD Ryzen 9 4900H: comparison
Comparison of AMD Ryzen 9 5900HX and AMD Ryzen 9 4900H: key differences and a full specification table.
Key differences
AMD Ryzen 9 5900HX has a higher maximum clock (4.6 GHz vs 4.4 GHz), a larger L3 cache (16 MB vs 8 MB) and a higher maximum integrated graphics clock (2.1 GHz vs 1.75 GHz).
At the same time, AMD Ryzen 9 4900H has a lower TDP (35–54 W vs 45 W).
Both processors match on: core count (8), thread count (16), base clock (3.3 GHz), process node (7 nm), 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 9 5900HX | AMD Ryzen 9 4900H |
|---|---|---|
| Cores / threads | 8 / 16 | 8 / 16 |
| Max boost clock | 4.6 GHz | 4.4 GHz |
| L3 cache | 16 MB | 8 MB |
| TDP | 45 W | 35–54 W |
| Process | 7 nm | 7 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 9 5900HX | AMD Ryzen 9 4900H |
|---|---|---|
| General | ||
| Codename | Cezanne | Renoir |
| Segment | Mobile | Mobile |
| Product line | AMD Ryzen 9 Mobile Processors with Radeon Graphics | AMD Ryzen 9 Mobile Processors with Radeon Graphics |
| Product family | AMD Ryzen Processors | AMD Ryzen Processors |
| Process | 7 nm | 7 nm |
| Launch date | 01/12/2021 | 03/16/2020 |
| Unlocked for overclocking | — | No |
| Operating system support | 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 | 8 | 8 |
| Threads | 16 | 16 |
| Base clock | 3.3 GHz | 3.3 GHz |
| Max boost clock | 4.6 GHz | 4.4 GHz |
| L2 cache | 4 MB | 4 MB |
| L3 cache | 16 MB | 8 MB |
| TDP | 45 W | 35–54 W |
| Configurable TDP | 35–54 W | — |
| Memory | ||
| Memory types | DDR4, LPDDR4 | DDR4, LPDDR4 |
| Graphics | ||
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Has integrated graphics | Yes | Yes |
| Graphics max frequency | 2.1 GHz | 1.75 GHz |
| Graphics units | 8 | 8 |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| Package and thermal | ||
| Sockets supported | FP6 | FP6 |
| TJUNCTION | 105 °C | 105 °C |
| Security and virtualization | ||
| Supported technologies | AMD "Zen 3" Core Architecture | — |
| Identifiers | ||
| Product ID (OEM) | 100-000000300 | — |