Sempron X2 2100 vs A8-3870K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2442 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.44 | no data |
| Designer | AMD | AMD |
| Architecture codename | Llano (2011−2012) | Brisbane (2007−2008) |
| Release date | 20 December 2011 (13 years ago) | March 2008 (17 years ago) |
Detailed specifications
A8-3870K and Sempron X2 2100 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 | no data |
| Boost clock speed | 3 GHz | 1.8 GHz |
| L1 cache | 128 KB (per core) | 128 KB |
| L2 cache | 1 MB (per core) | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 228 mm2 | 118 mm2 |
| Number of transistors | 1,178 million | 221 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on A8-3870K and Sempron X2 2100 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 | 2 |
| Socket | FM1 | AM2 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3870K and Sempron X2 2100 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-3870K and Sempron X2 2100. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | no data |
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
A8-3870K has 100% more physical cores and 100% more threads, and a 103.1% more advanced lithography process.
Sempron X2 2100, on the other hand, has 53.8% lower power consumption.
We couldn't decide between AMD A8-3870K and AMD Sempron X2 2100. We've got no test results to judge.
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