AMD Ryzen 9 7950X vs AMD Ryzen 9 7900X: comparison
Comparison of AMD Ryzen 9 7950X and AMD Ryzen 9 7900X: key differences and a full specification table.
Key differences
AMD Ryzen 9 7950X has more cores (16 vs 12), more threads (32 vs 24) and a higher maximum clock (5.7 GHz vs 5.6 GHz).
At the same time, AMD Ryzen 9 7900X has a higher base clock (4.7 GHz vs 4.5 GHz).
Both processors match on: L3 cache (64 MB), TDP (170 W), process node (5 nm), maximum memory size (128 GB), memory channels (2), maximum integrated graphics clock (2.2 GHz).
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 7950X | AMD Ryzen 9 7900X |
|---|---|---|
| Cores / threads | 16 / 32 | 12 / 24 |
| Max boost clock | 5.7 GHz | 5.6 GHz |
| L3 cache | 64 MB | 64 MB |
| TDP | 170 W | 170 W |
| Process | 5 nm | 5 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 7950X | AMD Ryzen 9 7900X |
|---|---|---|
| General | ||
| Codename | Raphael AM5 | Raphael AM5 |
| Segment | Desktop | Desktop |
| Product line | AMD Ryzen 9 Processors | AMD Ryzen 9 Processors |
| Product family | AMD Ryzen Processors | AMD Ryzen Processors |
| Architecture | "Zen 4" | "Zen 4" |
| Process | 5 nm | 5 nm |
| Launch date | 09/27/2022 | 09/27/2022 |
| Dies per package | 3 | 3 |
| Unlocked for overclocking | Yes | Yes |
| Operating system support | Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit | Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit |
| Regional availability | Global | Global |
| Target market | Enthusiast Desktop | Enthusiast Desktop |
| Consumer oriented | Yes | Yes |
| Recommended cooling | Liquid cooler recommended for optimal performance | Liquid cooler recommended for optimal performance |
| CPU | ||
| Cores | 16 | 12 |
| Threads | 32 | 24 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 4.5 GHz | 4.7 GHz |
| Max boost clock | 5.7 GHz | 5.6 GHz |
| L1 cache | 1 MB | 768 KB |
| L2 cache | 16 MB | 12 MB |
| L3 cache | 64 MB | 64 MB |
| TDP | 170 W | 170 W |
| Instruction set | x86-64 | x86-64 |
| Instruction set extensions | AES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX(+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64 | AES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX(+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64 |
| Boost technology | Precision Boost 2 | Precision Boost 2 |
| Memory | ||
| Max memory size | 128 GB | 128 GB |
| Memory types | DDR5 | DDR5 |
| Memory channels | 2 | 2 |
| ECC memory supported | Yes | Yes |
| Memory speed (text) | 2x1R | DDR5-5200 | | | 2x2R | DDR5-5200 | | | 4x1R | DDR5-3600 | | | 4x2R | DDR5-3600 | 2x1R | DDR5-5200 | | | 2x2R | DDR5-5200 | | | 4x1R | DDR5-3600 | | | 4x2R | DDR5-3600 |
| Memory form factor | UDIMM | UDIMM |
| Graphics | ||
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Has integrated graphics | Yes | Yes |
| Graphics max frequency | 2.2 GHz | 2.2 GHz |
| Graphics units | 2 | 2 |
| DisplayPort over USB-C | Yes | Yes |
| I/O and interfaces | ||
| PCI Express revision | 5 | — |
| PCI Express lanes | 28 | 28 |
| SATA ports | 0 | 0 |
| USB 2.0 ports | 1 | 1 |
| USB 3.2 Gen 2 ports | 4 | 4 |
| NVMe support | Boot, RAID0, RAID1, RAID10 | Boot, RAID0, RAID1, RAID10 |
| Compatible chipsets | X670E, X670, B650E, B650 | X670E, X670, B650E, B650 |
| USB Type-C support | Yes | Yes |
| USB 3.2 Gen 1 ports | 0 | 0 |
| Package and thermal | ||
| Sockets supported | AM5 | AM5 |
| TJUNCTION | 95 °C | 95 °C |
| Die size | 71 mm² | 71 mm² |
| I/O die process | 6 nm | 6 nm |
| I/O die size | 122 mm² | 122 mm² |
| Security and virtualization | ||
| Supported technologies | AMD EXPO Technology, AMD Ryzen Technologies | AMD EXPO Technology, AMD Ryzen Technologies |
| AMD PRO technologies | No | No |
| Technologies | ||
| Precision Boost Overdrive | Yes | Yes |
| AMD EXPO memory profiles | Yes | Yes |
| Curve Optimizer | Yes | Yes |
| Identifiers | ||
| Product ID (OEM) | 100-000000514 | 100-000000589 |
| Product ID (Box) | 100-100000514WOF | 100-100000589WOF |
| Bundled cooler | Not included | Not included |