A6-9550 vs i5-661
Primary details
Comparing Core i5-661 and A6-9550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2106 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.09 | no data |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.69 | no data |
| Architecture codename | Clarkdale (2010−2011) | Bristol Ridge (2016−2019) |
| Release date | 7 January 2010 (14 years ago) | 27 July 2017 (7 years ago) |
| Launch price (MSRP) | $252 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-661 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 3.33 GHz | 3.8 GHz |
| Boost clock speed | 3.6 GHz | 4 GHz |
| Bus rate | 2.5 GT/s | no data |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 256 KB (per core) | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 28 nm |
| Die size | 81 mm2 | 246 mm2 |
| Maximum core temperature | 70 °C | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 382 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i5-661 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 | FCLGA1156 | AM4 |
| Power consumption (TDP) | 87 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-661 and A6-9550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-661 and A6-9550 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-661 and A6-9550 are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-661 and A6-9550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 Dual-channel |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Previous Generation Intel® Processors | Radeon R5 |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-661 and A6-9550 integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-661 and A6-9550.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 7 January 2010 | 27 July 2017 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 87 Watt | 65 Watt |
i5-661 has 100% more threads.
A6-9550, on the other hand, has an age advantage of 7 years, a 14.3% more advanced lithography process, and 33.8% lower power consumption.
We couldn't decide between Core i5-661 and A6-9550. We've got no test results to judge.
Should you still have questions on choice between Core i5-661 and A6-9550, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
