Phenom II X2 550 vs A4-5100
Aggregate performance score
A4-5100 outperforms Phenom II X2 550 by a moderate 16% based on our aggregate benchmark results.
Primary details
Comparing A4-5100 and Phenom II X2 550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2559 | 2663 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.02 |
| Market segment | Laptop | Desktop processor |
| Series | AMD A-Series | no data |
| Power efficiency | 5.35 | 0.87 |
| Architecture codename | Kabini (2013−2014) | Callisto (2009−2010) |
| Release date | 4 November 2013 (11 years ago) | 4 November 2009 (15 years ago) |
| Launch price (MSRP) | no data | $133 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A4-5100 and Phenom II X2 550 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | no data | 3.1 GHz |
| Boost clock speed | 1.55 GHz | 3.1 GHz |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | 2048 KB | 512 KB (per core) |
| L3 cache | no data | 6 MB (shared) |
| Chip lithography | 28 nm | 45 nm |
| Die size | 107 mm2 | 258 mm2 |
| Maximum case temperature (TCase) | 90 °C | no data |
| Number of transistors | no data | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A4-5100 and Phenom II X2 550 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 | 1 |
| Socket | FT3 | AM3 |
| Power consumption (TDP) | 15 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-5100 and Phenom II X2 550. 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 | no data |
| AES-NI | + | - |
| FMA | FMA4 | - |
| AVX | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-5100 and Phenom II X2 550 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-5100 and Phenom II X2 550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Max memory channels | 1 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8330 | On certain motherboards (Chipset feature) |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A4-5100 and Phenom II X2 550 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A4-5100 and Phenom II X2 550 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A4-5100 and Phenom II X2 550.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 8 | 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.
Pros & cons summary
| Performance score | 0.88 | 0.76 |
| Recency | 4 November 2013 | 4 November 2009 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 80 Watt |
A4-5100 has a 15.8% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 100% more threads, a 60.7% more advanced lithography process, and 433.3% lower power consumption.
The A4-5100 is our recommended choice as it beats the Phenom II X2 550 in performance tests.
Be aware that A4-5100 is a notebook processor while Phenom II X2 550 is a desktop one.
Should you still have questions on choice between A4-5100 and Phenom II X2 550, ask them in Comments section, and we shall answer.
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