Phenom X4 9950 BE (125W) vs Athlon X2 7550
Primary details
Comparing Athlon X2 7550 and Phenom X4 9950 BE (125W) 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 | Desktop processor | Desktop processor |
| Architecture codename | Kuma (2008−2009) | Agena (2007−2008) |
| Release date | December 2008 (15 years ago) | October 2008 (16 years ago) |
Detailed specifications
Athlon X2 7550 and Phenom X4 9950 BE (125W) 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Boost clock speed | 2.5 GHz | 2.6 GHz |
| L1 cache | 128 KB (per core) | 128 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 2 MB (shared) | 2 MB (shared) |
| Chip lithography | 65 nm | 65 nm |
| Die size | 285 mm2 | 285 mm2 |
| Number of transistors | 450 million | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon X2 7550 and Phenom X4 9950 BE (125W) 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 Athlon X2 7550 and Phenom X4 9950 BE (125W) are enumerated here.
| AMD-V | + | + |
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Power consumption (TDP) | 95 Watt | 125 Watt |
Athlon X2 7550 has 31.6% lower power consumption.
Phenom X4 9950 BE (125W), on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between Athlon X2 7550 and Phenom X4 9950 BE (125W). We've got no test results to judge.
Should you still have questions on choice between Athlon X2 7550 and Phenom X4 9950 BE (125W), ask them in Comments section, and we shall answer.
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