Ryzen 7 PRO 7840U vs Atom E665C
Primary details
Comparing Atom E665C and Ryzen 7 PRO 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 441 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 52.58 |
| Architecture codename | Stellarton (2010) | Phoenix (Zen 4) (2023) |
| Release date | 22 November 2010 (13 years ago) | 3 May 2023 (1 year ago) |
Detailed specifications
Atom E665C 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 | 1 (Single-Core) | 8 (Octa-Core) |
| Threads | 2 | 16 |
| Base clock speed | no data | 3.3 GHz |
| Boost clock speed | 1.3 GHz | 5.1 GHz |
| L1 cache | 64 KB (per core) | 512 KB |
| L2 cache | 512 KB (per core) | 8 MB |
| L3 cache | 0 KB | 16 MB |
| Chip lithography | 45 nm | 4 nm |
| Die size | 26 mm2 | 178 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 47 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom E665C 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.
| Number of CPUs in a configuration | 1 | no data |
| Socket | Intel BGA1466 | no data |
| Power consumption (TDP) | 4 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom E665C and Ryzen 7 PRO 7840U. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + | no data |
| Hyper-Threading Technology | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom E665C and Ryzen 7 PRO 7840U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel GMA 600 | AMD Radeon 780M |
Pros & cons summary
| Recency | 22 November 2010 | 3 May 2023 |
| Physical cores | 1 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 45 nm | 4 nm |
| Power consumption (TDP) | 4 Watt | 28 Watt |
Atom E665C has 600% lower power consumption.
Ryzen 7 PRO 7840U, on the other hand, has an age advantage of 12 years, 700% more physical cores and 700% more threads, and a 1025% more advanced lithography process.
We couldn't decide between Atom E665C and Ryzen 7 PRO 7840U. We've got no test results to judge.
Should you still have questions on choice between Atom E665C and Ryzen 7 PRO 7840U, ask them in Comments section, and we shall answer.
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