Turion II Ultra M620 vs A4-4355M
Aggregate performance score
Turion II Ultra M620 outperforms A4-4355M by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing A4-4355M and Turion II Ultra M620 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2833 | 2823 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD A-Series | AMD Turion II Ultra |
| Architecture codename | Trinity (2012−2013) | Caspian (2009) |
| Release date | 1 October 2012 (11 years ago) | 10 September 2009 (15 years ago) |
Detailed specifications
A4-4355M and Turion II Ultra M620 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 | 1.9 GHz | no data |
| Boost clock speed | 2.4 GHz | 2.5 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 96 KB | no data |
| L2 cache | 2 MB | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 246 mm2 | no data |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1303 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4-4355M and Turion II Ultra M620 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 | FP2 | Socket S1 (s1g3) 638-pin |
| Power consumption (TDP) | 17 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-4355M and Turion II Ultra M620. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA | 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 A4-4355M and Turion II Ultra M620 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-4355M and Turion II Ultra M620. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | unknown Dual-channel | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 7400G | no data |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
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.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Pros & cons summary
| Performance score | 0.52 | 0.53 |
| Recency | 1 October 2012 | 10 September 2009 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 17 Watt | 35 Watt |
A4-4355M has an age advantage of 3 years, a 40.6% more advanced lithography process, and 105.9% lower power consumption.
Turion II Ultra M620, on the other hand, has a 1.9% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between A4-4355M and Turion II Ultra M620.
Should you still have questions on choice between A4-4355M and Turion II Ultra M620, ask them in Comments section, and we shall answer.
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