A4-4020 vs Turion II Ultra M620
Aggregate performance score
A4-4020 outperforms Turion II Ultra M620 by an impressive 57% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3200 | 2943 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Turion II Ultra | no data |
| Power efficiency | 0.56 | 0.47 |
| Designer | AMD | AMD |
| Manufacturer | no data | GlobalFoundries |
| Architecture codename | Caspian (2009) | Richland (2013−2014) |
| Release date | 10 September 2009 (16 years ago) | January 2014 (12 years ago) |
Detailed specifications
Turion II Ultra M620 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 | 2.5 GHz | 3.4 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | no data | 96K |
| L2 cache | 2 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 Ultra M620 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 Ultra M620 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 Ultra M620 and A4-4020 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Turion II Ultra M620 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 Ultra M620 and A4-4020.
| PCIe version | no data | 2.0 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Performance score | 0.46 | 0.72 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 65 Watt |
Turion II Ultra M620 has 85.7% lower power consumption.
A4-4020, on the other hand, has a 56.5% higher aggregate performance score, and a 40.6% more advanced lithography process.
The AMD A4-4020 is our recommended choice as it beats the AMD Turion II Ultra M620 in performance tests.
Be aware that Turion II Ultra M620 is a notebook processor while A4-4020 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.
