A8-7680 vs A8-4557M
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2112 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 15.78 |
| Market segment | Laptop | Desktop processor |
| Series | AMD A-Series | AMD A8 |
| Power efficiency | no data | 4.75 |
| Designer | AMD | AMD |
| Architecture codename | Trinity (2012−2013) | Excavator (2017−2018) |
| Release date | 15 May 2012 (13 years ago) | 26 October 2018 (7 years ago) |
| Launch price (MSRP) | no data | $56 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
A8-4557M and A8-7680 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 1.9 GHz | 3.5 GHz |
| Boost clock speed | 2.8 GHz | 3.8 GHz |
| Multiplier | no data | 38 |
| L1 cache | no data | 128K (per core) |
| L2 cache | 4 MB | 1 MB (per core) |
| Chip lithography | 32 nm | 28 nm |
| Die size | 246 mm2 | 246 mm2 |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 1303 Million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on A8-4557M and A8-7680 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 | FM2+ |
| Power consumption (TDP) | 4 MB | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-4557M and A8-7680. 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 A8-4557M and A8-7680 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-4557M and A8-7680. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 64 GB |
| Maximum memory bandwidth | no data | 14.936 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7640G (497 - 655 MHz) | Radeon R7 Series |
Pros & cons summary
| Recency | 15 May 2012 | 26 October 2018 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 4 Watt | 45 Watt |
A8-4557M has 1025% lower power consumption.
A8-7680, on the other hand, has an age advantage of 6 years, and a 14.3% more advanced lithography process.
We couldn't decide between AMD A8-4557M and AMD A8-7680. We've got no test results to judge.
Be aware that A8-4557M is a notebook processor while A8-7680 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
