Athlon PRO 3145B vs Ryzen 5 5500X3D
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 702 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 4.74 | no data |
| Designer | AMD | AMD |
| Manufacturer | TSMC | GlobalFoundries |
| Architecture codename | Vermeer (2020−2025) | Dali (2020−2021) |
| Release date | 5 June 2025 (less than a year ago) | January 2021 (4 years ago) |
Detailed specifications
Ryzen 5 5500X3D and Athlon PRO 3145B 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 | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 12 | 4 |
| Base clock speed | 3 GHz | 2.4 GHz |
| Boost clock speed | 4 GHz | 3.3 GHz |
| L1 cache | 64 KB (per core) | 96 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 96 MB (shared) | 4 MB (shared) |
| Chip lithography | 7 nm | 14 nm |
| Die size | 74 mm2 | 148 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | no data | 3,500 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 5 5500X3D and Athlon PRO 3145B 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 | FP5 |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 5500X3D and Athlon PRO 3145B. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 5500X3D and Athlon PRO 3145B are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 5500X3D and Athlon PRO 3145B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon Vega 3 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 5500X3D and Athlon PRO 3145B.
| PCIe version | 4.0 | 3.0 |
| PCI Express lanes | 20 | 12 |
Pros & cons summary
| Physical cores | 6 | 2 |
| Threads | 12 | 4 |
| Chip lithography | 7 nm | 14 nm |
| Power consumption (TDP) | 105 Watt | 15 Watt |
Ryzen 5 5500X3D has 200% more physical cores and 200% more threads, and a 100% more advanced lithography process.
Athlon PRO 3145B, on the other hand, has 600% lower power consumption.
We couldn't decide between AMD Ryzen 5 5500X3D and AMD Athlon PRO 3145B. We've got no test results to judge.
Note that Ryzen 5 5500X3D is a desktop processor while Athlon PRO 3145B is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
