A9-9420e vs A4 Micro-6400T
Aggregate performance score
A9-9420e outperforms A4 Micro-6400T by a minimal 3% based on our aggregate benchmark results.
Primary details
Comparing A4 Micro-6400T and A9-9420e processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2739 | 2720 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | AMD Bristol Ridge |
| Power efficiency | 14.30 | 4.42 |
| Architecture codename | Mullins (2014) | Stoney Ridge (2016−2019) |
| Release date | 29 April 2014 (10 years ago) | 1 June 2018 (6 years ago) |
Detailed specifications
A4 Micro-6400T and A9-9420e 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 | 1 GHz | no data |
| Boost clock speed | 1.6 GHz | no data |
| L2 cache | 2048 KB | 1 MB |
| Chip lithography | 28 nm | 28 nm |
| Die size | no data | 124.5 mm2 |
| Maximum core temperature | no data | 90 °C |
| Number of transistors | no data | 1200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4 Micro-6400T and A9-9420e 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.
| Socket | FT3b | BGA |
| Power consumption (TDP) | 4.5 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4 Micro-6400T and A9-9420e. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX | Virtualization, |
| AES-NI | + | - |
| FMA | FMA4 | - |
| AVX | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A4 Micro-6400T and A9-9420e are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4 Micro-6400T and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | DDR4 |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon R3 Graphics | AMD Radeon R5 (Stoney Ridge) |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A4 Micro-6400T and A9-9420e integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A4 Micro-6400T and A9-9420e integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A4 Micro-6400T and A9-9420e.
| PCIe version | 2.0 | no data |
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.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Pros & cons summary
| Performance score | 0.68 | 0.70 |
| Recency | 29 April 2014 | 1 June 2018 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Power consumption (TDP) | 4 Watt | 15 Watt |
A4 Micro-6400T has 100% more physical cores and 100% more threads, and 275% lower power consumption.
A9-9420e, on the other hand, has a 2.9% higher aggregate performance score, and an age advantage of 4 years.
Given the minimal performance differences, no clear winner can be declared between A4 Micro-6400T and A9-9420e.
Should you still have questions on choice between A4 Micro-6400T and A9-9420e, ask them in Comments section, and we shall answer.
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