A8-4557M vs Phenom II X4 P920
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2819 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 4x AMD Phenom II | AMD A-Series |
| Power efficiency | 1.28 | no data |
| Designer | AMD | AMD |
| Architecture codename | Champlain (2010−2011) | Trinity (2012−2013) |
| Release date | 12 May 2010 (15 years ago) | 15 May 2012 (13 years ago) |
Detailed specifications
Phenom II X4 P920 and A8-4557M 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 | no data | 1.9 GHz |
| Boost clock speed | 1.6 GHz | 2.8 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 512 KB | no data |
| L2 cache | 2 MB | 4 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Number of transistors | no data | 1303 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X4 P920 and A8-4557M 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 | S1 (S1g4) | BGA |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X4 P920 and A8-4557M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0 | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X4 P920 and A8-4557M are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X4 P920 and A8-4557M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7640G (497 - 655 MHz) |
Pros & cons summary
| Recency | 12 May 2010 | 15 May 2012 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Phenom II X4 P920 has 40% lower power consumption.
A8-4557M, on the other hand, has an age advantage of 2 years, and a 40.6% more advanced lithography process.
We couldn't decide between AMD Phenom II X4 P920 and AMD A8-4557M. We've got no test results to judge.
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