Ryzen 7 7840HS vs A9-9420e
Aggregate performance score
Ryzen 7 7840HS outperforms A9-9420e by a whopping 2500% based on our aggregate benchmark results.
Primary details
Comparing A9-9420e and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2720 | 332 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Bristol Ridge | no data |
| Power efficiency | 4.42 | 49.24 |
| Architecture codename | Stoney Ridge (2016−2019) | Phoenix-HS (Zen 4) (2023) |
| Release date | 1 June 2018 (6 years ago) | January 2023 (1 year ago) |
Detailed specifications
A9-9420e and Ryzen 7 7840HS 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 3.8 GHz |
| Boost clock speed | no data | 5.1 GHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | 1 MB | 1 MB (per core) |
| L3 cache | no data | 16 MB (shared) |
| Chip lithography | 28 nm | 4 nm |
| Die size | 124.5 mm2 | 178 mm2 |
| Maximum core temperature | 90 °C | 100 °C |
| Number of transistors | 1200 Million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on A9-9420e and Ryzen 7 7840HS 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 | no data | 1 |
| Socket | BGA | FP8 |
| Power consumption (TDP) | 15 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A9-9420e and Ryzen 7 7840HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, | Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A9-9420e and Ryzen 7 7840HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A9-9420e and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon R5 (Stoney Ridge) | AMD Radeon 780M ( - 2700 MHz) |
Peripherals
Specifications and connection of peripherals supported by A9-9420e and Ryzen 7 7840HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
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 | 0.70 | 18.20 |
| Integrated graphics card | 1.48 | 18.32 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 28 nm | 4 nm |
| Power consumption (TDP) | 15 Watt | 35 Watt |
A9-9420e has 133.3% lower power consumption.
Ryzen 7 7840HS, on the other hand, has a 2500% higher aggregate performance score, 1137.8% faster integrated GPU, 300% more physical cores and 700% more threads, and a 600% more advanced lithography process.
The Ryzen 7 7840HS is our recommended choice as it beats the A9-9420e in performance tests.
Should you still have questions on choice between A9-9420e and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.
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