Ryzen 7 3800X vs i5-7640K
Primary details
Comparing Core i5-7640K and Ryzen 7 3800X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 487 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 15.88 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD Ryzen 7 |
| Power efficiency | no data | 13.13 |
| Architecture codename | Kaby Lake-X (2017) | Matisse (2019−2020) |
| Release date | no data (2024 years ago) | 27 May 2019 (5 years ago) |
| Launch price (MSRP) | no data | $399 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-7640K and Ryzen 7 3800X 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) | 8 (Octa-Core) |
| Threads | no data | 16 |
| Base clock speed | no data | 3.9 GHz |
| Boost clock speed | 3.9 GHz | 4.5 GHz |
| L1 cache | 64 KB (per core) | 512 KB |
| L2 cache | 256 KB (per core) | 4 MB |
| L3 cache | 6144 KB (shared) | 32 MB |
| Chip lithography | 14 nm | 7 nm, 12 nm |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 19,200 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | + |
Compatibility
Information on Core i5-7640K and Ryzen 7 3800X 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 (Uniprocessor) |
| Socket | 1151 | AM4 |
| Power consumption (TDP) | 112 Watt | 105 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640K and Ryzen 7 3800X. 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 7 3800X 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 7 3800X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 Dual-channel |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 51.196 GB/s |
Pros & cons summary
| Physical cores | 4 | 8 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 112 Watt | 105 Watt |
Ryzen 7 3800X has 100% more physical cores, a 100% more advanced lithography process, and 6.7% lower power consumption.
We couldn't decide between Core i5-7640K and Ryzen 7 3800X. We've got no test results to judge.
Should you still have questions on choice between Core i5-7640K and Ryzen 7 3800X, ask them in Comments section, and we shall answer.
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