Athlon 64 X2 6400+ BE vs Phenom X3 8450
Primary details
Comparing Phenom X3 8450 and Athlon 64 X2 6400+ BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2637 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.77 | no data |
| Architecture codename | Toliman (2008) | Windsor (2006−2007) |
| Release date | April 2008 (16 years ago) | August 2007 (17 years ago) |
Detailed specifications
Phenom X3 8450 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 | 3 (Tri-Core) | 2 (Dual-core) |
| Threads | 3 | 2 |
| Boost clock speed | 2.1 GHz | 3.2 GHz |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 1 MB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 65 nm | 90 nm |
| Die size | 285 mm2 | 230 mm2 |
| Number of transistors | 450 million | 227 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Phenom X3 8450 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 | AM2+ | AM2 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X3 8450 and Athlon 64 X2 6400+ BE are enumerated here.
| AMD-V | + | - |
Pros & cons summary
| Physical cores | 3 | 2 |
| Threads | 3 | 2 |
| Chip lithography | 65 nm | 90 nm |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Phenom X3 8450 has 50% more physical cores and 50% more threads, a 38.5% more advanced lithography process, and 31.6% lower power consumption.
We couldn't decide between Phenom X3 8450 and Athlon 64 X2 6400+ BE. We've got no test results to judge.
Should you still have questions on choice between Phenom X3 8450 and Athlon 64 X2 6400+ BE, ask them in Comments section, and we shall answer.
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