Ryzen 5 7645HX vs Ryzen 3 5425C
Primary details
Comparing Ryzen 3 5425C and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 377 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Cezanne (Zen 3, Ryzen 5000) | no data |
| Power efficiency | no data | 35.58 |
| Architecture codename | Barcelo (Zen 3) (2022−2023) | Dragon Range (Zen4) (2023) |
| Release date | 5 May 2022 (2 years ago) | 4 January 2023 (1 year ago) |
Detailed specifications
Ryzen 3 5425C and Ryzen 5 7645HX 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 | 4 (Quad-Core) | 6 (Hexa-Core) |
| Threads | 8 | 12 |
| Base clock speed | 2.7 GHz | 4 GHz |
| Boost clock speed | 4.1 GHz | 5 GHz |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 32 MB (shared) |
| Chip lithography | 7 nm | 5 nm |
| Die size | 180 mm2 | 71 mm2 |
| Maximum core temperature | 95 °C | 100 °C |
| Number of transistors | 10,700 million | 6570 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
Compatibility
Information on Ryzen 3 5425C and Ryzen 5 7645HX 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 | 1 |
| Socket | FP6 | FL1 |
| Power consumption (TDP) | 15 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 5425C and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 5425C and Ryzen 5 7645HX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 5425C and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 6 (Ryzen 4000/5000) | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 5425C and Ryzen 5 7645HX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 8 | 28 |
Pros & cons summary
| Integrated graphics card | 6.04 | 2.85 |
| Recency | 5 May 2022 | 4 January 2023 |
| Physical cores | 4 | 6 |
| Threads | 8 | 12 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 15 Watt | 45 Watt |
Ryzen 3 5425C has 111.9% faster integrated GPU, and 200% lower power consumption.
Ryzen 5 7645HX, on the other hand, has an age advantage of 7 months, 50% more physical cores and 50% more threads, and a 40% more advanced lithography process.
We couldn't decide between Ryzen 3 5425C and Ryzen 5 7645HX. We've got no test results to judge.
Should you still have questions on choice between Ryzen 3 5425C and Ryzen 5 7645HX, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
