Phenom X4 9550 vs Ryzen 3 4300U
Aggregate performance score
Ryzen 3 4300U outperforms Phenom X4 9550 by a whopping 350% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 3 4300U and Phenom X4 9550 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1190 | 2325 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 1.03 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Renoir (Ryzen 4000 APU) | no data |
| Architecture codename | Renoir-U (Zen 2) | Agena (2007−2008) |
| Release date | 6 January 2020 (4 years ago) | March 2008 (16 years ago) |
| Current price | $520 | $76 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 3 4300U and Phenom X4 9550 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 |
| Base clock speed | 2.7 GHz | no data |
| Boost clock speed | 3.7 GHz | 2.2 GHz |
| L1 cache | 128K (per core) | 128 KB (per core) |
| L2 cache | 512K (per core) | 512 KB (per core) |
| L3 cache | 4 MB (shared) | 2 MB (shared) |
| Chip lithography | 7 nm | 65 nm |
| Die size | 156 mm2 | 285 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 9800 Million | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 3 4300U and Phenom X4 9550 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 | FP6 | AM2+ |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 4300U and Phenom X4 9550. You'll probably need this information if you require some particular technology.
| Instruction set extensions | DDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | no data |
| FMA | + | no data |
| AVX | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 4300U and Phenom X4 9550 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 4300U and Phenom X4 9550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
| Maximum memory size | 64 GB | no data |
| Maximum memory bandwidth | 68.27 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 5 | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 4300U and Phenom X4 9550.
| PCIe version | 3.0 | no data |
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.
Ryzen 3 4300U outperforms Phenom X4 9550 by 350% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Ryzen 3 4300U outperforms Phenom X4 9550 by 350% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Ryzen 3 4300U outperforms Phenom X4 9550 by 435% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Ryzen 3 4300U outperforms Phenom X4 9550 by 374% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 4.81 | 1.07 |
| Chip lithography | 7 nm | 65 nm |
| Power consumption (TDP) | 15 Watt | 95 Watt |
The Ryzen 3 4300U is our recommended choice as it beats the Phenom X4 9550 in performance tests.
Be aware that Ryzen 3 4300U is a notebook processor while Phenom X4 9550 is a desktop one.
Should you still have questions on choice between Ryzen 3 4300U and Phenom X4 9550, ask them in Comments section, and we shall answer.
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