i5-8420 vs 7 245HX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 311 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Arrow Lake | Intel Core i5 |
| Designer | Intel | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Arrow Lake-HX (2025−2026) | Coffee Lake (2017−2019) |
| Release date | 1 April 2026 (less than a year ago) | 1 September 2018 (7 years ago) |
Detailed specifications
Basic parameters of Core 7 245HX and Core i5-8420: 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 | 14 (Tetradeca-Core) | 6 (Hexa-Core) |
| Threads | 14 | 6 |
| Base clock speed | 2.6 GHz | 2.9 GHz |
| Boost clock speed | 5.1 GHz | 4.1 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| L1 cache | no data | 384 KB |
| L2 cache | 24 MB | 1.5 MB |
| L3 cache | 26 MB | 9 MB (shared) |
| Chip lithography | 3 nm | 14 nm |
| Die size | no data | 126 mm2 |
| Maximum case temperature (TCase) | no data | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Core 7 245HX and Core i5-8420 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 | no data | 1 (Uniprocessor) |
| Socket | no data | 1151 |
| Power consumption (TDP) | no data | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 7 245HX and Core i5-8420. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 7 245HX and Core i5-8420 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 7 245HX and Core i5-8420. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Dual-channel |
| Maximum memory size | no data | 64 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 42.671 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel Graphics 3-Core iGPU (Arrow Lake) (300 - 1800 MHz) | Intel UHD Graphics 630 |
Peripherals
Specifications and connection of peripherals supported by Core 7 245HX and Core i5-8420.
| PCIe version | no data | 3.0 |
Pros & cons summary
| Recency | 1 April 2026 | 1 September 2018 |
| Physical cores | 14 | 6 |
| Threads | 14 | 6 |
| Chip lithography | 3 nm | 14 nm |
7 245HX has an age advantage of 7 years, 133% more physical cores and 133% more threads, and a 367% more advanced lithography process.
We couldn't decide between Intel Core 7 245HX and Intel Core i5-8420. We've got no test results to judge.
Be aware that Core 7 245HX is a notebook processor while Core i5-8420 is a desktop one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
