Phenom X4 9450e vs Phenom X4 9550
Aggregate performance score
Phenom X4 9550 outperforms Phenom X4 9450e by a moderate 14% based on our aggregate benchmark results.
Primary details
Comparing Phenom X4 9550 and Phenom X4 9450e processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2425 | 2512 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.04 | 1.33 |
| Architecture codename | Agena (2007−2008) | Agena (2007−2008) |
| Release date | March 2008 (16 years ago) | October 2008 (16 years ago) |
Detailed specifications
Phenom X4 9550 and Phenom X4 9450e 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Boost clock speed | 2.2 GHz | 2.1 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 | - | - |
Compatibility
Information on Phenom X4 9550 and Phenom X4 9450e 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 | 65 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X4 9550 and Phenom X4 9450e are enumerated here.
| AMD-V | + | + |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 1.08 | 0.95 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Phenom X4 9550 has a 13.7% higher aggregate performance score.
Phenom X4 9450e, on the other hand, has 46.2% lower power consumption.
The Phenom X4 9550 is our recommended choice as it beats the Phenom X4 9450e in performance tests.
Should you still have questions on choice between Phenom X4 9550 and Phenom X4 9450e, ask them in Comments section, and we shall answer.
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