A100 vs Phenom II X3 P820
Primary details
Comparing Phenom II X3 P820 and A100 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2756 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | no data |
| Power efficiency | 2.50 | no data |
| Architecture codename | Champlain (2010−2011) | Stealey (2007) |
| Release date | 12 May 2010 (14 years ago) | June 2007 (17 years ago) |
Detailed specifications
Phenom II X3 P820 and A100 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 | 3 (Tri-Core) | 1 (Single-Core) |
| Threads | 3 | 1 |
| Boost clock speed | 1.8 GHz | 0.6 GHz |
| Bus rate | 3600 MHz | no data |
| L1 cache | 384 KB | 64 KB (per core) |
| L2 cache | 1.5 MB | 512 KB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | no data | 66 mm2 |
| Number of transistors | no data | 176 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 P820 and A100 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 | no data | 1 |
| Socket | S1 | Intel BGA 437 |
| Power consumption (TDP) | 25 Watt | 3 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P820 and A100. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | no data |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P820 and A100 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P820 and A100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR2 |
Pros & cons summary
| Physical cores | 3 | 1 |
| Threads | 3 | 1 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 25 Watt | 3 Watt |
Phenom II X3 P820 has 200% more physical cores and 200% more threads, and a 100% more advanced lithography process.
A100, on the other hand, has 733.3% lower power consumption.
We couldn't decide between Phenom II X3 P820 and A100. We've got no test results to judge.
Should you still have questions on choice between Phenom II X3 P820 and A100, 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.
