A4-4020 vs Turion II M520
Aggregate performance score
A4-4020 outperforms Turion II M520 by a considerable 43% based on our aggregate benchmark results.
Primary details
Comparing Turion II M520 and A4-4020 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2824 | 2602 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Turion II | no data |
| Power efficiency | 1.51 | 1.16 |
| Architecture codename | Caspian (2009) | Richland (2013−2014) |
| Release date | 10 September 2009 (15 years ago) | January 2014 (10 years ago) |
Detailed specifications
Turion II M520 and A4-4020 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 | no data | 3.2 GHz |
| Boost clock speed | 2.3 GHz | 3.4 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 128 KB | 96K |
| L2 cache | 1 MB | 1 MB (shared) |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | no data | 1,303 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Turion II M520 and A4-4020 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 | Socket S1 (s1g3) 638-pin | FM2 |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Turion II M520 and A4-4020. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization | no data |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| PowerNow | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Turion II M520 and A4-4020 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II M520 and A4-4020. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3-1333 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7480D |
Peripherals
Specifications and connection of peripherals supported by Turion II M520 and A4-4020.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Performance score | 0.56 | 0.80 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Turion II M520 has 85.7% lower power consumption.
A4-4020, on the other hand, has a 42.9% higher aggregate performance score, and a 40.6% more advanced lithography process.
The A4-4020 is our recommended choice as it beats the Turion II M520 in performance tests.
Be aware that Turion II M520 is a notebook processor while A4-4020 is a desktop one.
Should you still have questions on choice between Turion II M520 and A4-4020, ask them in Comments section, and we shall answer.
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