Ryzen 5 PRO 7540U vs Ryzen 7 PRO 7840U
Aggregate performance score
Ryzen 7 PRO 7840U outperforms Ryzen 5 PRO 7540U by a substantial 36% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 7 PRO 7840U and Ryzen 5 PRO 7540U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 441 | 676 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Phoenix (Zen 4, Ryzen 7040) | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | 52.63 | 72.49 |
| Architecture codename | Phoenix (Zen 4) (2023) | Phoenix (Zen4) (2023) |
| Release date | 3 May 2023 (1 year ago) | 23 May 2023 (1 year ago) |
Detailed specifications
Ryzen 7 PRO 7840U and Ryzen 5 PRO 7540U 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 | 8 (Octa-Core) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 3.3 GHz | 3.2 GHz |
| Boost clock speed | 5.1 GHz | 4.9 GHz |
| L1 cache | 512 KB | 384 KB |
| L2 cache | 8 MB | 6 MB |
| L3 cache | 16 MB | 16 MB |
| Chip lithography | 4 nm | 4 nm |
| Die size | 178 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Ryzen 7 PRO 7840U and Ryzen 5 PRO 7540U 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.
| Power consumption (TDP) | 28 Watt | 15 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon 780M | AMD Radeon 740M |
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.
Pros & cons summary
| Performance score | 15.57 | 11.49 |
| Integrated graphics card | 18.31 | 8.32 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 28 Watt | 15 Watt |
Ryzen 7 PRO 7840U has a 35.5% higher aggregate performance score, 120.1% faster integrated GPU, and 33.3% more physical cores and 33.3% more threads.
Ryzen 5 PRO 7540U, on the other hand, has 86.7% lower power consumption.
The Ryzen 7 PRO 7840U is our recommended choice as it beats the Ryzen 5 PRO 7540U in performance tests.
Should you still have questions on choice between Ryzen 7 PRO 7840U and Ryzen 5 PRO 7540U, ask them in Comments section, and we shall answer.
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