Ryzen 9 9900X vs Ryzen 9 9950X
Aggregate performance score
Ryzen 9 9950X outperforms Ryzen 9 9900X by a significant 24% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 9950X and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 55 | 106 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Granite Ridge (2024) | Granite Ridge (2024) |
| Release date | 15 August 2024 (less than a year ago) | 15 August 2024 (less than a year ago) |
Detailed specifications
Ryzen 9 9950X and Ryzen 9 9900X 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 | 16 (Hexadeca-Core) | 12 (Dodeca-Core) |
| Threads | 32 | 24 |
| Base clock speed | 4.3 GHz | 4.4 GHz |
| Boost clock speed | 5.7 GHz | 5.6 GHz |
| L1 cache | 80 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 64 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 2x 70.6 mm2 | 2x 70.6 mm2 |
| Number of transistors | 16,630 million | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Ryzen 9 9950X and Ryzen 9 9900X 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 | 1 |
| Socket | AM5 | AM5 |
| Power consumption (TDP) | 170 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9950X and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 9950X and Ryzen 9 9900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9950X and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 9950X and Ryzen 9 9900X.
| PCIe version | 5.0 | 5.0 |
| PCI Express lanes | 24 | 24 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 43.22 | 34.97 |
| Physical cores | 16 | 12 |
| Threads | 32 | 24 |
| Power consumption (TDP) | 170 Watt | 120 Watt |
Ryzen 9 9950X has a 23.6% higher aggregate performance score, and 33.3% more physical cores and 33.3% more threads.
Ryzen 9 9900X, on the other hand, has 41.7% lower power consumption.
The Ryzen 9 9950X is our recommended choice as it beats the Ryzen 9 9900X in performance tests.
Should you still have questions on choice between Ryzen 9 9950X and Ryzen 9 9900X, ask them in Comments section, and we shall answer.
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