Phenom II X2 N660 vs A8-3820
Primary details
Comparing A8-3820 and Phenom II X2 N660 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2230 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | 2x AMD Phenom II |
| Power efficiency | 1.99 | no data |
| Architecture codename | Llano (2011−2012) | Champlain (2010−2011) |
| Release date | 20 December 2011 (12 years ago) | 1 January 2011 (13 years ago) |
Detailed specifications
A8-3820 and Phenom II X2 N660 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 | 2.5 GHz | no data |
| Boost clock speed | 2.8 GHz | 3 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 1 MB (per core) | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 228 mm2 | no data |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on A8-3820 and Phenom II X2 N660 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 | FM1 | S1 |
| Power consumption (TDP) | 65 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-3820 and Phenom II X2 N660. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization |
| VirusProtect | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3820 and Phenom II X2 N660 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-3820 and Phenom II X2 N660. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | 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.
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
| Recency | 20 December 2011 | 1 January 2011 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 35 Watt |
A8-3820 has an age advantage of 11 months, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.
Phenom II X2 N660, on the other hand, has 85.7% lower power consumption.
We couldn't decide between A8-3820 and Phenom II X2 N660. We've got no test results to judge.
Note that A8-3820 is a desktop processor while Phenom II X2 N660 is a notebook one.
Should you still have questions on choice between A8-3820 and Phenom II X2 N660, ask them in Comments section, and we shall answer.
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