Athlon 64 X2 6400+ BE vs Mobile Sempron 4000+
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Mobile Sempron | no data |
| Designer | AMD | AMD |
| Architecture codename | Sherman (2009) | Windsor (2006−2007) |
| Release date | no data | August 2007 (18 years ago) |
Detailed specifications
Mobile Sempron 4000+ and Athlon 64 X2 6400+ BE 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 2.2 GHz | 3.2 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | no data | 256 KB |
| L2 cache | no data | 1 MB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Die size | no data | 230 mm2 |
| Number of transistors | no data | 227 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Mobile Sempron 4000+ and Athlon 64 X2 6400+ BE 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 | no data | AM2 |
| Power consumption (TDP) | 31 Watt | 125 Watt |
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 31 Watt | 125 Watt |
Mobile Sempron 4000+ has a 38.5% more advanced lithography process, and 303.2% lower power consumption.
Athlon 64 X2 6400+ BE, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between AMD Mobile Sempron 4000+ and AMD Athlon 64 X2 6400+ BE. We've got no test results to judge.
Be aware that Mobile Sempron 4000+ is a notebook processor while Athlon 64 X2 6400+ BE is a desktop one.
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