Ryzen 7 7840U vs Celeron N2808
Primary details
Comparing Celeron N2808 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 425 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron | AMD Phoenix (Zen 4, Ryzen 7040) |
| Power efficiency | no data | 53.15 |
| Architecture codename | Bay Trail-M (2013−2014) | Phoenix-U (Zen 4) (2023) |
| Release date | 22 May 2014 (10 years ago) | May 2023 (1 year ago) |
Detailed specifications
Celeron N2808 and Ryzen 7 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 | 1.58 GHz | 3.3 GHz |
| Boost clock speed | 2.25 GHz | 5.1 GHz |
| L1 cache | 56K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 16 MB (shared) |
| Chip lithography | 22 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Celeron N2808 and Ryzen 7 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 | 1 |
| Socket | FCBGA1170 | FP8 |
| Power consumption (TDP) | 4.5 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron N2808 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Smart Connect | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Celeron N2808 and Ryzen 7 7840U technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
| Secure Key | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron N2808 and Ryzen 7 7840U are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron N2808 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5-5600 |
| Maximum memory size | 4 GB | no data |
| Max memory channels | 1 | no data |
| Maximum memory bandwidth | 10.66 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for Intel Atom® Processor Z3700 Series | AMD Radeon 780M |
| Quick Sync Video | + | - |
| Graphics max frequency | 792 MHz | no data |
Graphics interfaces
Available interfaces and connections of Celeron N2808 and Ryzen 7 7840U integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Celeron N2808 and Ryzen 7 7840U.
| PCIe version | 2.0 | 4.0 |
| PCI Express lanes | 4 | 20 |
| USB revision | 3.0 and 2.0 | no data |
| Total number of SATA ports | 2 | no data |
| Number of USB ports | 5 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Physical cores | 2 | 8 |
| Threads | 2 | 16 |
| Chip lithography | 22 nm | 4 nm |
| Power consumption (TDP) | 4 Watt | 28 Watt |
Celeron N2808 has 600% lower power consumption.
Ryzen 7 7840U, on the other hand, has 300% more physical cores and 700% more threads, and a 450% more advanced lithography process.
We couldn't decide between Celeron N2808 and Ryzen 7 7840U. We've got no test results to judge.
Should you still have questions on choice between Celeron N2808 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.
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