Ryzen 5 PRO 7640U vs A6-4455M
Aggregate performance score
Ryzen 5 PRO 7640U outperforms A6-4455M by a whopping 2575% based on our aggregate benchmark results.
Primary details
Comparing A6-4455M and Ryzen 5 PRO 7640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2873 | 551 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | 2.79 | 84.56 |
| Architecture codename | Trinity (2012−2013) | Phoenix (Zen4) (2023) |
| Release date | 15 May 2012 (12 years ago) | 23 May 2023 (1 year ago) |
Detailed specifications
A6-4455M and Ryzen 5 PRO 7640U 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) | 6 (Hexa-Core) |
| Threads | 2 | 12 |
| Base clock speed | 2.1 GHz | 3.5 GHz |
| Boost clock speed | 2.6 GHz | 4.9 GHz |
| L1 cache | 92 KB | 384 KB |
| L2 cache | 2 MB (shared) | 6 MB |
| L3 cache | 0 KB | 16 MB |
| Chip lithography | 32 nm | 4 nm |
| Die size | 246 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on A6-4455M and Ryzen 5 PRO 7640U 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 | no data |
| Power consumption (TDP) | 17 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-4455M and Ryzen 5 PRO 7640U. 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 | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-4455M and Ryzen 5 PRO 7640U are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-4455M and Ryzen 5 PRO 7640U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon HD 7500G | AMD Radeon 760M |
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 | 0.52 | 13.91 |
| Integrated graphics card | 0.80 | 14.99 |
| Recency | 15 May 2012 | 23 May 2023 |
| Physical cores | 2 | 6 |
| Threads | 2 | 12 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 17 Watt | 15 Watt |
Ryzen 5 PRO 7640U has a 2575% higher aggregate performance score, 1773.8% faster integrated GPU, an age advantage of 11 years, 200% more physical cores and 500% more threads, a 700% more advanced lithography process, and 13.3% lower power consumption.
The Ryzen 5 PRO 7640U is our recommended choice as it beats the A6-4455M in performance tests.
Should you still have questions on choice between A6-4455M and Ryzen 5 PRO 7640U, ask them in Comments section, and we shall answer.
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