Ryzen 5 8640HS vs Ryzen 3 8440U
Primary details
Comparing Ryzen 3 8440U and Ryzen 5 8640HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 503 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Architecture codename | Hawk Point-U (Zen 4 + Zen 4c) | Hawk Point-HS (Zen 4) |
| Release date | 6 December 2023 (less than a year ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Ryzen 3 8440U 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 | 4 (Quad-Core) | 6 (Hexa-Core) |
| Threads | 81 x 4.7 GHz AMD Zen 43 x 4.7 GHz AMD Zen 4c | 12 |
| Base clock speed | 3 GHz | 3.5 GHz |
| Boost clock speed | 4.7 GHz | 4.9 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 16 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 137 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 20,900 million | 25,000 million |
| 64 bit support | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 3 8440U 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 | 1 | 1 |
| Socket | FP7 | FP8 |
| Power consumption (TDP) | 28 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 3 8440U and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | DDR5-5600/LPDDR5x-7500 RAM, PCIe 4, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 | DDR5-5600/LPDDR5x-7500 RAM, PCIe 4, Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 3 8440U and Ryzen 5 8640HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 3 8440U and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon 740M | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 3 8440U and Ryzen 5 8640HS.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 14 | 20 |
Pros & cons summary
| Integrated graphics card | 8.96 | 15.30 |
| Physical cores | 4 | 6 |
| Threads | 81 x 4.7 GHz AMD Zen 43 x 4.7 GHz AMD Zen 4c | 12 |
We couldn't decide between Ryzen 3 8440U and Ryzen 5 8640HS. We've got no test results to judge.
Should you still have questions on choice between Ryzen 3 8440U and Ryzen 5 8640HS, ask them in Comments section, and we shall answer.
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