PRO A12-8870 vs Ryzen 9 PRO 3900
Aggregate performance score
Ryzen 9 PRO 3900 outperforms PRO A12-8870 by a whopping 712% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 9 PRO 3900 and PRO A12-8870 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 286 | 1769 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 28.96 | 3.56 |
| Architecture codename | Zen 2 (2017−2020) | Carrizo (2015−2018) |
| Release date | 30 September 2019 (5 years ago) | October 2016 (8 years ago) |
Detailed specifications
Ryzen 9 PRO 3900 and PRO A12-8870 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) | 4 (Quad-Core) |
| Threads | 24 | 4 |
| Base clock speed | 3.1 GHz | 3.7 GHz |
| Boost clock speed | 4.3 GHz | 4.2 GHz |
| L1 cache | 768 KB | no data |
| L2 cache | 6 MB | 2048 KB |
| L3 cache | 64 MB | no data |
| Chip lithography | 7 nm, 12 nm | 28 nm |
| Die size | no data | 250 mm2 |
| Number of transistors | no data | 3,100 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 9 PRO 3900 and PRO A12-8870 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 | Socket AM4 | AM4 |
| Power consumption (TDP) | 65 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 3900 and PRO A12-8870. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| FRTC | - | + |
| FreeSync | - | + |
| Precision Boost 2 | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 3900 and PRO A12-8870 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 3900 and PRO A12-8870. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR4-2400 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | AMD Radeon R7 Graphics |
| iGPU core count | - | 8 |
| Enduro | - | n/a |
| Switchable graphics | - | + |
Graphics interfaces
Available interfaces and connections of Ryzen 9 PRO 3900 and PRO A12-8870 integrated GPUs.
| DisplayPort | - | n/a |
Graphics API support
APIs supported by Ryzen 9 PRO 3900 and PRO A12-8870 integrated GPUs, sometimes API versions are included.
| DirectX | - | DirectX® 12 |
| Vulkan | - | + |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 3900 and PRO A12-8870.
| PCIe version | no data | 3.0 |
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 | 19.90 | 2.45 |
| Physical cores | 12 | 4 |
| Threads | 24 | 4 |
| Chip lithography | 7 nm | 28 nm |
Ryzen 9 PRO 3900 has a 712.2% higher aggregate performance score, 200% more physical cores and 500% more threads, and a 300% more advanced lithography process.
The Ryzen 9 PRO 3900 is our recommended choice as it beats the PRO A12-8870 in performance tests.
Should you still have questions on choice between Ryzen 9 PRO 3900 and PRO A12-8870, ask them in Comments section, and we shall answer.
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