Ryzen 9 7900 vs Ryzen 3 PRO 4450U
Aggregate performance score
Ryzen 9 7900 outperforms Ryzen 3 PRO 4450U by a whopping 392% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 3 PRO 4450U and Ryzen 9 7900 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1067 | 133 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 62.21 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Renoir (Ryzen 4000 APU) | no data |
| Power efficiency | 39.43 | 44.74 |
| Architecture codename | Renoir PRO (Zen 2) (2020) | Raphael (Zen4) (2022−2023) |
| Release date | 7 May 2020 (4 years ago) | 14 January 2023 (1 year ago) |
| Launch price (MSRP) | no data | $429 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 3 PRO 4450U and Ryzen 9 7900 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) | 12 (Dodeca-Core) |
| Threads | 8 | 24 |
| Base clock speed | 2.4 GHz | 3.7 GHz |
| Boost clock speed | 3.7 GHz | 5.4 GHz |
| Multiplier | 25 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 64 MB (shared) |
| Chip lithography | 7 nm | 5 nm |
| Die size | 156 mm2 | 2x 71 mm2 |
| Maximum core temperature | 105 °C | 95 °C |
| Maximum case temperature (TCase) | no data | 47 °C |
| Number of transistors | 9,800 million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 3 PRO 4450U and Ryzen 9 7900 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 | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 PRO 4450U and Ryzen 9 7900. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | 5 nm, 0.650 - 1.475V |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 PRO 4450U and Ryzen 9 7900 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 PRO 4450U and Ryzen 9 7900. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-4266 | DDR5-5200 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 68.27 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 5 | AMD Radeon Graphics (Ryzen 7000) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 PRO 4450U and Ryzen 9 7900.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 24 |
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.
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 | 6.25 | 30.73 |
| Integrated graphics card | 4.64 | 4.42 |
| Recency | 7 May 2020 | 14 January 2023 |
| Physical cores | 4 | 12 |
| Threads | 8 | 24 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 65 Watt |
Ryzen 3 PRO 4450U has 5% faster integrated GPU, and 333.3% lower power consumption.
Ryzen 9 7900, on the other hand, has a 391.7% higher aggregate performance score, an age advantage of 2 years, 200% more physical cores and 200% more threads, and a 40% more advanced lithography process.
The Ryzen 9 7900 is our recommended choice as it beats the Ryzen 3 PRO 4450U in performance tests.
Be aware that Ryzen 3 PRO 4450U is a notebook processor while Ryzen 9 7900 is a desktop one.
Should you still have questions on choice between Ryzen 3 PRO 4450U and Ryzen 9 7900, ask them in Comments section, and we shall answer.
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