Phenom II X4 P940 vs A4-4020
Primary details
Comparing A4-4020 and Phenom II X4 P940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2600 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | 4x AMD Phenom II |
| Power efficiency | 1.17 | no data |
| Architecture codename | Richland (2013−2014) | Champlain (2010−2011) |
| Release date | January 2014 (10 years ago) | 4 October 2010 (14 years ago) |
Detailed specifications
A4-4020 and Phenom II X4 P940 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) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.4 GHz | 1.7 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 96K | 512 KB |
| L2 cache | 1 MB (shared) | 2 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 Phenom II X4 P940 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 | S1 (S1g4) |
| Power consumption (TDP) | 65 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-4020 and Phenom II X4 P940. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0 |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| PowerNow | + | - |
| VirusProtect | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-4020 and Phenom II X4 P940 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4020 and Phenom II X4 P940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1333 | DDR3 |
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 Phenom II X4 P940.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 25 Watt |
A4-4020 has a 40.6% more advanced lithography process.
Phenom II X4 P940, on the other hand, has 100% more physical cores and 100% more threads, and 160% lower power consumption.
We couldn't decide between A4-4020 and Phenom II X4 P940. We've got no test results to judge.
Note that A4-4020 is a desktop processor while Phenom II X4 P940 is a notebook one.
Should you still have questions on choice between A4-4020 and Phenom II X4 P940, ask them in Comments section, and we shall answer.
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