i7-8559U vs i5-7640K
Primary details
Comparing Core i5-7640K and Core i7-8559U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 1180 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Power efficiency | no data | 17.74 |
| Architecture codename | Kaby Lake-X (2017) | Coffee Lake-U (2018−2019) |
| Release date | no data (2024 years ago) | 2 April 2018 (6 years ago) |
| Launch price (MSRP) | no data | $431 |
Detailed specifications
Core i5-7640K and Core i7-8559U 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) | 4 (Quad-Core) |
| Threads | no data | 8 |
| Base clock speed | no data | 2.7 GHz |
| Boost clock speed | 3.9 GHz | 4.5 GHz |
| Bus type | no data | OPI |
| Bus rate | no data | 4 GT/s |
| Multiplier | no data | 27 |
| L1 cache | 64 KB (per core) | 256 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 6144 KB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| Die size | no data | 123 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 72 °C | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-7640K and Core i7-8559U 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 | FCBGA1528 |
| Power consumption (TDP) | 112 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-7640K and Core i7-8559U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| eDRAM | no data | 128 MB |
| Speed Shift | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
Security technologies
Core i5-7640K and Core i7-8559U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Secure Key | no data | + |
| MPX | - | + |
| Identity Protection | - | + |
| SGX | no data | Yes with Intel® ME |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-7640K and Core i7-8559U are enumerated here.
| AMD-V | - | + |
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-7640K and Core i7-8559U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 38.397 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel Iris Plus Graphics 655 |
| Max video memory | no data | 32 GB |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.2 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Core i5-7640K and Core i7-8559U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
Graphics image quality
Maximum display resolutions supported by Core i5-7640K and Core i7-8559U integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | no data | 4096 x 2304@30Hz |
| Max resolution over eDP | no data | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | no data | 4096 x 2304@60Hz |
Graphics API support
APIs supported by Core i5-7640K and Core i7-8559U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core i5-7640K and Core i7-8559U.
| PCIe version | no data | 3.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Power consumption (TDP) | 112 Watt | 28 Watt |
i7-8559U has 300% lower power consumption.
We couldn't decide between Core i5-7640K and Core i7-8559U. We've got no test results to judge.
Note that Core i5-7640K is a desktop processor while Core i7-8559U is a notebook one.
Should you still have questions on choice between Core i5-7640K and Core i7-8559U, ask them in Comments section, and we shall answer.
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