Turion II M540 vs A4-4020
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2936 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Turion II |
| Power efficiency | 0.47 | no data |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | no data |
| Architecture codename | Richland (2013−2014) | Caspian (2009) |
| Release date | January 2014 (12 years ago) | 10 September 2009 (16 years ago) |
Detailed specifications
A4-4020 and Turion II M540 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.4 GHz | 2.4 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 96K | 128 KB |
| L2 cache | 1 MB (shared) | 1 MB |
| Chip lithography | 32 nm | 45 nm |
| Die size | 246 mm2 | no data |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,303 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on A4-4020 and Turion II M540 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 | FM2 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-4020 and Turion II M540. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| PowerNow | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-4020 and Turion II M540 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4020 and Turion II M540. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7480D | no data |
Peripherals
Specifications and connection of peripherals supported by A4-4020 and Turion II M540.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 35 Watt |
A4-4020 has a 40.6% more advanced lithography process.
Turion II M540, on the other hand, has 85.7% lower power consumption.
We couldn't decide between AMD A4-4020 and AMD Turion II M540. We've got no test results to judge.
Note that A4-4020 is a desktop processor while Turion II M540 is a notebook one.
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