A9-9420 vs PRO A12-8870E
Aggregate performance score
PRO A12-8870E outperforms A9-9420 by a whopping 102% based on our aggregate benchmark results.
Primary details
Comparing PRO A12-8870E and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1962 | 2507 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Bristol Ridge |
| Power efficiency | 5.14 | 5.93 |
| Architecture codename | Carrizo (2015−2018) | Stoney Ridge (2016−2019) |
| Release date | October 2016 (8 years ago) | 31 May 2016 (8 years ago) |
Detailed specifications
PRO A12-8870E and A9-9420 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 2.9 GHz | 3 GHz |
| Boost clock speed | 3.8 GHz | 3.6 GHz |
| L1 cache | no data | 160 KB |
| L2 cache | 2048 KB | 1 MB (shared) |
| Chip lithography | 28 nm | 28 nm |
| Die size | 250 mm2 | 125 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 3,100 million | 1,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on PRO A12-8870E and A9-9420 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 | FT4 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by PRO A12-8870E and A9-9420. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Virtualization, |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
| FRTC | + | - |
| FreeSync | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by PRO A12-8870E and A9-9420 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by PRO A12-8870E and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR4 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R7 Graphics | Radeon R5 |
| iGPU core count | 8 | no data |
| Enduro | n/a | - |
| Switchable graphics | + | - |
Graphics interfaces
Available interfaces and connections of PRO A12-8870E and A9-9420 integrated GPUs.
| DisplayPort | n/a | - |
Graphics API support
APIs supported by PRO A12-8870E and A9-9420 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by PRO A12-8870E and A9-9420.
| PCIe version | 3.0 | 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.
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 | 1.90 | 0.94 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
PRO A12-8870E has a 102.1% higher aggregate performance score, and 100% more physical cores and 100% more threads.
A9-9420, on the other hand, has 133.3% lower power consumption.
The PRO A12-8870E is our recommended choice as it beats the A9-9420 in performance tests.
Note that PRO A12-8870E is a desktop processor while A9-9420 is a notebook one.
Should you still have questions on choice between PRO A12-8870E and A9-9420, ask them in Comments section, and we shall answer.
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