Phenom II X4 955 BE vs A9-9425
Primary details
Comparing A9-9425 and Phenom II X4 955 BE processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2025 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Bristol Ridge | no data |
| Power efficiency | 10.88 | no data |
| Architecture codename | Stoney Ridge (2016−2019) | Deneb (2009−2011) |
| Release date | 31 May 2016 (8 years ago) | 23 April 2009 (15 years ago) |
Detailed specifications
A9-9425 and Phenom II X4 955 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | 3.1 GHz | 3.2 GHz |
| Boost clock speed | 3.7 GHz | 3.2 GHz |
| L1 cache | 128K (per core) | 128 KB (per core) |
| L2 cache | 1 MB (per core) | 512 KB (per core) |
| L3 cache | no data | 6 MB (shared) |
| Chip lithography | 28 nm | 45 nm |
| Die size | 124.5 mm2 | 258 mm2 |
| Maximum core temperature | 90 °C | no data |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 1,200 million | 758 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on A9-9425 and Phenom II X4 955 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 | FT4 | AM3 |
| Power consumption (TDP) | 15 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A9-9425 and Phenom II X4 955 BE. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, TBM, FMA4, XOP, SMEP, CPB, AES-NI, RDRAND | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A9-9425 and Phenom II X4 955 BE are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A9-9425 and Phenom II X4 955 BE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R5 (Stoney Ridge) | On certain motherboards (Chipset feature) |
Peripherals
Specifications and connection of peripherals supported by A9-9425 and Phenom II X4 955 BE.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Recency | 31 May 2016 | 23 April 2009 |
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 15 Watt | 125 Watt |
A9-9425 has an age advantage of 7 years, a 60.7% more advanced lithography process, and 733.3% lower power consumption.
Phenom II X4 955 BE, on the other hand, has 100% more physical cores and 100% more threads.
We couldn't decide between A9-9425 and Phenom II X4 955 BE. We've got no test results to judge.
Be aware that A9-9425 is a notebook processor while Phenom II X4 955 BE is a desktop one.
Should you still have questions on choice between A9-9425 and Phenom II X4 955 BE, ask them in Comments section, and we shall answer.
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