Ryzen 9 7945HX3D vs Celeron M 420
Aggregate performance score
Ryzen 9 7945HX3D outperforms Celeron M 420 by a whopping 40478% based on our aggregate benchmark results.
Primary details
Comparing Celeron M 420 and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3378 | 96 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Celeron M | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 0.32 | 62.84 |
| Architecture codename | Yonah (2005−2006) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | no data (2024 years ago) | 27 July 2023 (1 year ago) |
Detailed specifications
Celeron M 420 and Ryzen 9 7945HX3D 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) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Base clock speed | 1.6 GHz | 2.3 GHz |
| Boost clock speed | 1.6 GHz | 5.4 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 | 128 MB (shared) |
| Chip lithography | 65 nm | 5 nm |
| Die size | no data | 2x 71 mm2 |
| Maximum core temperature | 100 °C | 89 °C |
| Number of transistors | no data | 17,840 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
| VID voltage range | 1.0V-1.3V | no data |
Compatibility
Information on Celeron M 420 and Ryzen 9 7945HX3D 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 | FL1 |
| Power consumption (TDP) | 27 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 420 and Ryzen 9 7945HX3D. 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 |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Precision Boost 2 | no data | + |
Security technologies
Celeron M 420 and Ryzen 9 7945HX3D 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 9 7945HX3D 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 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Celeron M 420 and Ryzen 9 7945HX3D.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Pros & cons summary
| Performance score | 0.09 | 36.52 |
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Chip lithography | 65 nm | 5 nm |
| Power consumption (TDP) | 27 Watt | 55 Watt |
Celeron M 420 has 103.7% lower power consumption.
Ryzen 9 7945HX3D, on the other hand, has a 40477.8% higher aggregate performance score, 1500% more physical cores and 3100% more threads, and a 1200% more advanced lithography process.
The Ryzen 9 7945HX3D is our recommended choice as it beats the Celeron M 420 in performance tests.
Should you still have questions on choice between Celeron M 420 and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.
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