Atom x7835FE vs i5-8420
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i5 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Coffee Lake (2017−2019) | Amston Lake (2024−2025) |
| Release date | 1 September 2018 (7 years ago) | 1 October 2025 (less than a year ago) |
| Launch price (MSRP) | no data | $150 |
Detailed specifications
Core i5-8420 and Atom x7835FE 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 6 | 8 |
| Base clock speed | 2.9 GHz | 1.3 GHz |
| Boost clock speed | 4.1 GHz | 3.6 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 96 KB (per core) |
| L2 cache | 256K (per core) | 2 MB (per module) |
| L3 cache | 9 MB (shared) | 6 MB (shared) |
| Chip lithography | 14 nm | 10 nm |
| Die size | 126 mm2 | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Core i5-8420 and Atom x7835FE 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 (Uniprocessor) | 1 |
| Socket | 1151 | Intel BGA 1264 |
| Power consumption (TDP) | 65 Watt | 12 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8420 and Atom x7835FE. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8420 and Atom x7835FE are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8420 and Atom x7835FE. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR4, DDR5, LPDDR5 |
| Maximum memory size | 64 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | Intel UHD Graphics 32EU |
Peripherals
Specifications and connection of peripherals supported by Core i5-8420 and Atom x7835FE.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | no data | 9 |
Pros & cons summary
| Recency | 1 September 2018 | 1 October 2025 |
| Physical cores | 6 | 8 |
| Threads | 6 | 8 |
| Chip lithography | 14 nm | 10 nm |
| Power consumption (TDP) | 65 Watt | 12 Watt |
Atom x7835FE has an age advantage of 7 years, 33.3% more physical cores and 33.3% more threads, a 40% more advanced lithography process, and 441.7% lower power consumption.
We couldn't decide between Intel Core i5-8420 and Intel Atom x7835FE. We've got no test results to judge.
Note that Core i5-8420 is a desktop processor while Atom x7835FE is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
