A4-9120 vs A8-4555M
Aggregate performance score
A8-4555M outperforms A4-9120 by a small 9% based on our aggregate benchmark results.
Primary details
Comparing A8-4555M and A4-9120 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2586 | 2654 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | Bristol Ridge |
| Power efficiency | 4.18 | 4.86 |
| Architecture codename | Trinity (2012−2013) | Stoney Ridge (2016−2019) |
| Release date | 27 September 2012 (12 years ago) | 1 June 2017 (7 years ago) |
Detailed specifications
A8-4555M and A4-9120 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 | 1.6 GHz | 2.2 GHz |
| Boost clock speed | 2.4 GHz | 2.5 GHz |
| L1 cache | 192 KB | 160 KB |
| L2 cache | 4 MB (shared) | 1 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 28 nm |
| Die size | 246 mm2 | 124.5 mm2 |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1,178 million | 1200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A8-4555M and A4-9120 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 | no data |
| Socket | FP2 | BGA |
| Power consumption (TDP) | 19 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-4555M and A4-9120. 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, FMA | Virtualization, |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-4555M and A4-9120 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-4555M and A4-9120. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | DDR4 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 7600G (320 - 424 MHz) | AMD Radeon R2 (Stoney Ridge) ( - 655 MHz) |
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 | 0.84 | 0.77 |
| Integrated graphics card | 0.85 | 1.03 |
| Recency | 27 September 2012 | 1 June 2017 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 19 Watt | 15 Watt |
A8-4555M has a 9.1% higher aggregate performance score, and 100% more physical cores and 100% more threads.
A4-9120, on the other hand, has 21.2% faster integrated GPU, an age advantage of 4 years, a 14.3% more advanced lithography process, and 26.7% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between A8-4555M and A4-9120.
Should you still have questions on choice between A8-4555M and A4-9120, ask them in Comments section, and we shall answer.
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