Ryzen 5 8640HS vs Celeron M 420
Primary details
Comparing Celeron M 420 and Ryzen 5 8640HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 618 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Celeron M | no data |
| Power efficiency | no data | 41.52 |
| Architecture codename | Yonah (2005−2006) | Hawk Point-HS (Zen 4) (2023−2024) |
| Release date | no data (2024 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Celeron M 420 and Ryzen 5 8640HS 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) | 6 (Hexa-Core) |
| Threads | 1 | 12 |
| Base clock speed | 1.6 GHz | 3.5 GHz |
| Boost clock speed | 1.6 GHz | 4.9 GHz |
| Bus rate | 533 MHz | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 1 MB L2 KB | 16 MB (shared) |
| Chip lithography | 65 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 | - | no data |
| VID voltage range | 1.0V-1.3V | no data |
Compatibility
Information on Celeron M 420 and Ryzen 5 8640HS 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 |
| Socket | PPGA478 | FP8 |
| Power consumption (TDP) | 27 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 420 and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Celeron M 420 and Ryzen 5 8640HS technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 420 and Ryzen 5 8640HS are enumerated here.
| AMD-V | - | + |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 420 and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Celeron M 420 and Ryzen 5 8640HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
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 | 1 | 6 |
| Threads | 1 | 12 |
| Chip lithography | 65 nm | 4 nm |
| Power consumption (TDP) | 27 Watt | 28 Watt |
Celeron M 420 has 3.7% lower power consumption.
Ryzen 5 8640HS, on the other hand, has 500% more physical cores and 1100% more threads, and a 1525% more advanced lithography process.
We couldn't decide between Celeron M 420 and Ryzen 5 8640HS. We've got no test results to judge.
Should you still have questions on choice between Celeron M 420 and Ryzen 5 8640HS, ask them in Comments section, and we shall answer.
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