Ryzen 5 8645HS vs Ryzen 7 5700U
Primary details
Comparing Ryzen 7 5700U and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 684 | not rated |
| Place by popularity | 24 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Lucienne (Zen 2, Ryzen 5000) | no data |
| Architecture codename | Lucienne-U (Zen 2) | Hawk Point-HS (Zen 4) |
| Release date | 12 January 2021 (3 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Ryzen 7 5700U and Ryzen 5 8645HS 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 | 8 (Octa-Core) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 1.8 GHz | 4.3 GHz |
| Boost clock speed | 4.3 GHz | 5 GHz |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 8 MB (shared) | 16 MB (shared) |
| Chip lithography | 7 nm | 4 nm |
| Die size | 156 mm2 | 178 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 9,800 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 7 5700U and Ryzen 5 8645HS 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 | FP8 |
| Power consumption (TDP) | 15 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 5700U and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | DDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | 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 | + | + |
| FMA | + | no data |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 5700U and Ryzen 5 8645HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5700U and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 64 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 8 (Ryzen 4000/5000) | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 5700U and Ryzen 5 8645HS.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 12 | 20 |
Pros & cons summary
| Integrated graphics card | 9.06 | 15.39 |
| Recency | 12 January 2021 | 6 December 2023 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 15 Watt | 45 Watt |
We couldn't decide between Ryzen 7 5700U and Ryzen 5 8645HS. We've got no test results to judge.
Should you still have questions on choice between Ryzen 7 5700U and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.
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