Ryzen 9 7950X vs Ryzen 3 5400U
Aggregate performance score
Ryzen 9 7950X outperforms Ryzen 3 5400U by a whopping 466% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1265 | 121 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | no data |
| Power efficiency | 17.68 | 8.83 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Cezanne-U (Zen 3) (2021) | Raphael (Zen 4) (2022) |
| Release date | 12 January 2021 (5 years ago) | 27 September 2022 (3 years ago) |
Detailed specifications
Ryzen 3 5400U and Ryzen 9 7950X 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) | 16 (Hexadeca-Core) |
| Threads | 8 | 32 |
| Base clock speed | 2.6 GHz | 4.5 GHz |
| Boost clock speed | 4 GHz | 5.7 GHz |
| Multiplier | 26 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 64 MB (shared) |
| Chip lithography | 7 nm | 5 nm |
| Die size | 180 mm2 | CCD = 2x 70 sq. mm, I/O = 122 mm2 |
| Maximum core temperature | 105 °C | 95 °C |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | 10,700 million | 13140 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 3 5400U and Ryzen 9 7950X 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 | AM5 |
| Power consumption (TDP) | 15 Watt | 170 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 5400U and Ryzen 9 7950X. 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 | CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 5400U and Ryzen 9 7950X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 5400U and Ryzen 9 7950X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1600 MHz) | AMD Radeon Graphics (Ryzen 7000) (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 5400U and Ryzen 9 7950X.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 8 | 24 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
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.
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.
Geekbench 5.5 Multi-Core
Pros & cons summary
| Performance score | 6.28 | 35.53 |
| Integrated graphics card | 5.55 | 4.07 |
| Recency | 12 January 2021 | 27 September 2022 |
| Physical cores | 4 | 16 |
| Threads | 8 | 32 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 170 Watt |
Ryzen 3 5400U has 36.4% faster integrated GPU, and 1033.3% lower power consumption.
Ryzen 9 7950X, on the other hand, has a 465.8% higher aggregate performance score, an age advantage of 1 year, 300% more physical cores and 300% more threads, and a 40% more advanced lithography process.
The AMD Ryzen 9 7950X is our recommended choice as it beats the AMD Ryzen 3 5400U in performance tests.
Be aware that Ryzen 3 5400U is a notebook processor while Ryzen 9 7950X is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
