Athlon X4 950 vs Ryzen 5 3450U
Aggregate performance score
Ryzen 5 3450U outperforms Athlon X4 950 by an impressive 88% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 3450U and Athlon X4 950 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1370 | 1814 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.66 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Picasso (Ryzen 3000 APU) | no data |
| Power efficiency | 26.75 | 3.29 |
| Architecture codename | Picasso-U (Zen+) (2019−2020) | Bristol Ridge (2016−2019) |
| Release date | 1 May 2020 (4 years ago) | 27 July 2017 (7 years ago) |
| Launch price (MSRP) | no data | $60 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 5 3450U and Athlon X4 950 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 | 8 | 4 |
| Base clock speed | 2.1 GHz | 3.5 GHz |
| Boost clock speed | 3.5 GHz | 3.8 GHz |
| L1 cache | 384 KB | 128 KB (per core) |
| L2 cache | 2 MB | 512 KB (per core) |
| L3 cache | 4 MB | 0 KB |
| Chip lithography | 12 nm | 28 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 4500 Million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 5 3450U and Athlon X4 950 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 | no data | 1 |
| Socket | FP5 | AM4 |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 3450U and Athlon X4 950. 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, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | no data |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 3450U and Athlon X4 950 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 3450U and Athlon X4 950. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 (Ryzen 2000/3000) | 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.
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 | 4.25 | 2.26 |
| Recency | 1 May 2020 | 27 July 2017 |
| Threads | 8 | 4 |
| Chip lithography | 12 nm | 28 nm |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Ryzen 5 3450U has a 88.1% higher aggregate performance score, an age advantage of 2 years, 100% more threads, a 133.3% more advanced lithography process, and 333.3% lower power consumption.
The Ryzen 5 3450U is our recommended choice as it beats the Athlon X4 950 in performance tests.
Be aware that Ryzen 5 3450U is a notebook processor while Athlon X4 950 is a desktop one.
Should you still have questions on choice between Ryzen 5 3450U and Athlon X4 950, ask them in Comments section, and we shall answer.
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