Ryzen 3 5125C vs Ryzen 9 5900X
Primary details
Comparing Ryzen 9 5900X and Ryzen 3 5125C processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 218 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 31.69 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 9 | AMD Cezanne (Zen 3, Ryzen 5000) |
| Power efficiency | 22.10 | no data |
| Architecture codename | Vermeer (Zen3) (2020−2022) | Barcelo (Zen 3) (2022−2023) |
| Release date | 5 November 2020 (4 years ago) | 5 May 2022 (2 years ago) |
| Launch price (MSRP) | $549 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 5900X and Ryzen 3 5125C 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) | 2 (Dual-core) |
| Threads | 24 | 4 |
| Base clock speed | 3.7 GHz | 3 GHz |
| Boost clock speed | 4.8 GHz | 3 GHz |
| Multiplier | 37 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 512K (per core) |
| L3 cache | 64 MB | 8 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 7 nm |
| Die size | 2x 74 mm2(CCD) + 125 mm2 (IOD) | 180 mm2 |
| Maximum core temperature | no data | 95 °C |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 0 Million | 10,700 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900X and Ryzen 3 5125C 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 | AM4 | FP6 |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900X and Ryzen 3 5125C. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | XFR, FMA3, SSE 4.2, AVX2, SMT |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900X and Ryzen 3 5125C are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900X and Ryzen 3 5125C. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4-3200 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | AMD Radeon RX Vega 3 ( - 1200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900X and Ryzen 3 5125C.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | no data | 8 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 5 November 2020 | 5 May 2022 |
| Physical cores | 12 | 2 |
| Threads | 24 | 4 |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Ryzen 9 5900X has 500% more physical cores and 500% more threads.
Ryzen 3 5125C, on the other hand, has an age advantage of 1 year, and 600% lower power consumption.
We couldn't decide between Ryzen 9 5900X and Ryzen 3 5125C. We've got no test results to judge.
Note that Ryzen 9 5900X is a desktop processor while Ryzen 3 5125C is a notebook one.
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