A9-9420e vs Ryzen Z2
Aggregate performance score
Ryzen Z2 outperforms A9-9420e by a whopping 1009% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1031 | 2814 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Hawk Point (Zen 4/4c) | AMD Bristol Ridge |
| Power efficiency | 26.17 | 4.41 |
| Designer | AMD | AMD |
| Architecture codename | Hawk Point-U (Zen 4) (2023−2025) | Stoney Ridge (2016−2019) |
| Release date | 6 January 2025 (less than a year ago) | 1 June 2018 (6 years ago) |
Detailed specifications
Ryzen Z2 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 | 8 (Octa-Core) | 2 (Dual-core) |
| Threads | 16 | 2 |
| Base clock speed | 3.3 GHz | no data |
| Boost clock speed | 5.1 GHz | no data |
| L1 cache | 512 KB | no data |
| L2 cache | 8 MB | 1 MB |
| L3 cache | 16 MB | no data |
| Chip lithography | 4 nm | 28 nm |
| Die size | 178 mm2 | 124.5 mm2 |
| Maximum core temperature | 100 °C | 90 °C |
| Number of transistors | no data | 1200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen Z2 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 | FP7/FP7r2/FP8 | BGA |
| Power consumption (TDP) | 28 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Z2 and A9-9420e. You'll probably need this information if you require some particular technology.
| Instruction set extensions | AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 | Virtualization, |
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Z2 and A9-9420e are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Z2 and A9-9420e. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | AMD Radeon R5 (Stoney Ridge) |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 7.65 | 0.69 |
| Integrated graphics card | 16.62 | 1.32 |
| Recency | 6 January 2025 | 1 June 2018 |
| Physical cores | 8 | 2 |
| Threads | 16 | 2 |
| Chip lithography | 4 nm | 28 nm |
| Power consumption (TDP) | 28 Watt | 15 Watt |
Ryzen Z2 has a 1008.7% higher aggregate performance score, 1159.1% faster integrated GPU, an age advantage of 6 years, 300% more physical cores and 700% more threads, and a 600% more advanced lithography process.
A9-9420e, on the other hand, has 86.7% lower power consumption.
The AMD Ryzen Z2 is our recommended choice as it beats the AMD A9-9420e in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
