Ryzen 7 9800X3D vs i5-8420
Primary details
Comparing Core i5-8420 and Ryzen 7 9800X3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 197 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 44.70 |
| Market segment | Desktop processor | Desktop processor |
| Series | Intel Core i5 | no data |
| Power efficiency | no data | 19.98 |
| Architecture codename | Coffee Lake (2017−2019) | Granite Ridge (2024) |
| Release date | 1 September 2018 (6 years ago) | 7 November 2024 (recently) |
| Launch price (MSRP) | no data | $479 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8420 and Ryzen 7 9800X3D 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 | 16 |
| Base clock speed | 2.9 GHz | 4.7 GHz |
| Boost clock speed | 4.1 GHz | 5.2 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 9 MB (shared) | 96 MB (shared) |
| Chip lithography | 14 nm | 4 nm |
| Die size | 126 mm2 | 70.6 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 8,315 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i5-8420 and Ryzen 7 9800X3D 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 | AM5 |
| Power consumption (TDP) | 65 Watt | 120 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8420 and Ryzen 7 9800X3D. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8420 and Ryzen 7 9800X3D 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 Core i5-8420 and Ryzen 7 9800X3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| 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 Compare | Intel UHD Graphics 630 | AMD Radeon Graphics |
Peripherals
Specifications and connection of peripherals supported by Core i5-8420 and Ryzen 7 9800X3D.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 24 |
Pros & cons summary
| Integrated graphics card | 3.09 | 1.98 |
| Recency | 1 September 2018 | 7 November 2024 |
| Physical cores | 6 | 8 |
| Threads | 6 | 16 |
| Chip lithography | 14 nm | 4 nm |
| Power consumption (TDP) | 65 Watt | 120 Watt |
i5-8420 has 56.1% faster integrated GPU, and 84.6% lower power consumption.
Ryzen 7 9800X3D, on the other hand, has an age advantage of 6 years, 33.3% more physical cores and 166.7% more threads, and a 250% more advanced lithography process.
We couldn't decide between Core i5-8420 and Ryzen 7 9800X3D. We've got no test results to judge.
Should you still have questions on choice between Core i5-8420 and Ryzen 7 9800X3D, ask them in Comments section, and we shall answer.
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