Ryzen 9 9950X vs Ryzen 9 3900X
Primary details
Comparing Ryzen 9 3900X and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 238 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 33.40 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 9 | no data |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Granite Ridge |
| Release date | 7 July 2019 (4 years ago) | July 2024 (recently) |
| Launch price (MSRP) | $499 | no data |
| Current price | $403 (0.8x MSRP) | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 3900X and Ryzen 9 9950X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 16 (Hexadeca-Core) |
| Threads | 24 | 32 |
| Base clock speed | 3.8 GHz | 4.3 GHz |
| Boost clock speed | 4.6 GHz | 5.7 GHz |
| L1 cache | 96K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 64 MB | 64 MB (shared) |
| Chip lithography | 7 nm | 4 nm |
| Die size | no data | 2x 69 mm2 |
| Maximum core temperature | 95 °C | no data |
| Number of transistors | 19,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Ryzen 9 3900X and Ryzen 9 9950X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 1 |
| Socket | AM4 | AM5 |
| Power consumption (TDP) | 125 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900X and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900X and Ryzen 9 9950X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900X and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900X and Ryzen 9 9950X.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Physical cores | 12 | 16 |
| Threads | 24 | 32 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 125 Watt | 170 Watt |
We couldn't decide between Ryzen 9 3900X and Ryzen 9 9950X. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 3900X and Ryzen 9 9950X, ask them in Comments section, and we shall answer.
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