Ryzen 7 PRO 7840U vs Atom E3805
Aggregate performance score
Ryzen 7 PRO 7840U outperforms Atom E3805 by a whopping 6084% based on our aggregate benchmark results.
Primary details
Comparing Atom E3805 and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3160 | 450 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Atom | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | 7.89 | 52.29 |
| Architecture codename | Bay Trail | Phoenix (Zen 4) (2023) |
| Release date | no data | 3 May 2023 (1 year ago) |
Detailed specifications
Atom E3805 and Ryzen 7 PRO 7840U 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 | 2 (Dual-core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 1.33 GHz | 5.1 GHz |
| L1 cache | no data | 512 KB |
| L2 cache | no data | 8 MB |
| L3 cache | no data | 16 MB |
| Chip lithography | 22 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom E3805 and Ryzen 7 PRO 7840U 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) | 3 Watt | 28 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 780M ( - 2700 MHz) |
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 | 0.25 | 15.46 |
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 22 nm | 4 nm |
| Power consumption (TDP) | 3 Watt | 28 Watt |
Atom E3805 has 833.3% lower power consumption.
Ryzen 7 PRO 7840U, on the other hand, has a 6084% higher aggregate performance score, 300% more physical cores and 700% more threads, and a 450% more advanced lithography process.
The Ryzen 7 PRO 7840U is our recommended choice as it beats the Atom E3805 in performance tests.
Should you still have questions on choice between Atom E3805 and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.
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