A6-9550 vs Athlon II X4 651
Primary details
Comparing Athlon II X4 651 and A6-9550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1811 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 2.13 | no data |
| Architecture codename | Llano (2011−2012) | Bristol Ridge (2016−2019) |
| Release date | 14 November 2011 (12 years ago) | 27 July 2017 (7 years ago) |
Detailed specifications
Athlon II X4 651 and A6-9550 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 | 3 GHz | 3.8 GHz |
| Boost clock speed | 3 GHz | 4 GHz |
| L1 cache | 128 KB (per core) | 128 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 28 nm |
| Die size | 228 mm2 | 246 mm2 |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 1,178 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon II X4 651 and A6-9550 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 | FM1 | AM4 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 651 and A6-9550. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 651 and A6-9550 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and A6-9550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Radeon R5 |
Pros & cons summary
| Recency | 14 November 2011 | 27 July 2017 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Athlon II X4 651 has 100% more physical cores and 100% more threads.
A6-9550, on the other hand, has an age advantage of 5 years, a 14.3% more advanced lithography process, and 53.8% lower power consumption.
We couldn't decide between Athlon II X4 651 and A6-9550. We've got no test results to judge.
Should you still have questions on choice between Athlon II X4 651 and A6-9550, ask them in Comments section, and we shall answer.
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