Athlon 64 X2 6400+ BE vs Sempron 145
Primary details
Comparing Sempron 145 and Athlon 64 X2 6400+ BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3135 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.68 | no data |
| Architecture codename | Sargas (2009−2011) | Windsor (2006−2007) |
| Release date | 1 September 2010 (14 years ago) | August 2007 (17 years ago) |
| Launch price (MSRP) | $95 | no data |
Detailed specifications
Sempron 145 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 |
| Base clock speed | 2.8 GHz | no data |
| Boost clock speed | 2.8 GHz | 3.2 GHz |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 1 MB (per core) | 1 MB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 90 nm |
| Die size | 117 mm2 | 230 mm2 |
| Number of transistors | 234 million | 227 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Sempron 145 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 | 1 | 1 |
| Socket | AM3 | AM2 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Sempron 145 and Athlon 64 X2 6400+ BE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
Peripherals
Specifications and connection of peripherals supported by Sempron 145 and Athlon 64 X2 6400+ BE.
| PCIe version | 2.0 | no data |
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 45 nm | 90 nm |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Sempron 145 has a 100% more advanced lithography process, and 177.8% 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 Sempron 145 and Athlon 64 X2 6400+ BE. We've got no test results to judge.
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