Ryzen 5 8400F vs i5-7640K
Primary details
Comparing Core i5-7640K and Ryzen 5 8400F processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 457 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 64.44 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 22.28 |
| Architecture codename | Kaby Lake-X (2017) | Phoenix (2023−2024) |
| Release date | no data | 1 April 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $170 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-7640K and Ryzen 5 8400F 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 | no data | 12 |
| Base clock speed | no data | 4.2 GHz |
| Boost clock speed | 3.9 GHz | 4.7 GHz |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 1 MB (per core) |
| L3 cache | 6144 KB (shared) | 16 MB (shared) |
| Chip lithography | 14 nm | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i5-7640K and Ryzen 5 8400F 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 | 1151 | AM5 |
| Power consumption (TDP) | 112 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640K and Ryzen 5 8400F. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7640K and Ryzen 5 8400F are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Ryzen 5 8400F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core i5-7640K and Ryzen 5 8400F.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 4 | 6 |
| Chip lithography | 14 nm | 4 nm |
| Power consumption (TDP) | 112 Watt | 65 Watt |
Ryzen 5 8400F has 50% more physical cores, a 250% more advanced lithography process, and 72.3% lower power consumption.
We couldn't decide between Core i5-7640K and Ryzen 5 8400F. We've got no test results to judge.
Should you still have questions on choice between Core i5-7640K and Ryzen 5 8400F, ask them in Comments section, and we shall answer.
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