Intel Core i5-7640X серии X vs Intel Core i7-7740X серии X: comparison
Comparison of Intel Core i5-7640X серии X and Intel Core i7-7740X серии X: key differences and a full specification table.
Key differences
Intel Core i7-7740X серии X has a higher base clock (4.3 GHz vs 4 GHz) and a higher maximum clock (4.5 GHz vs 4.2 GHz).
Both processors match on: core count (4), TDP (112 W), process node (14 nm), maximum memory size (64 GB), memory channels (2), PCIe version (3).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Core i5-7640X серии X | Intel Core i7-7740X серии X |
|---|---|---|
| Cores / threads | 4 | 4 / 8 |
| Max boost clock | 4.2 GHz | 4.5 GHz |
| TDP | 112 W | 112 W |
| Process | 14 nm | 14 nm |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Core i5-7640X серии X | Intel Core i7-7740X серии X |
|---|---|---|
| General | ||
| Model | i5-7640X | i7-7740X |
| Codename | Kaby Lake | Kaby Lake |
| Segment | Desktop | Desktop |
| Product line | Процессоры Intel Core серии X | Процессоры Intel Core серии X |
| Process | 14 nm | 14 nm |
| Launch date | Q2 2017 | Q2 2017 |
| Status | Discontinued | Discontinued |
| Embedded options available | No | No |
| Box contents | Please note: The boxed product does not include a fan or heat sink | Please note: The boxed product does not include a fan or heat sink |
| CPU | ||
| Cores | 4 | 4 |
| Threads | — | 8 |
| Multithreading (SMT/HT) | — | Yes |
| Base clock | 4 GHz | 4.3 GHz |
| Max boost clock | 4.2 GHz | 4.5 GHz |
| Turbo Boost 2.0 frequency | 4.2 GHz | 4.5 GHz |
| Cache (level unspecified) | 6 MB | 8 MB |
| Bus speed | 8 GT/s | 8 GT/s |
| TDP | 112 W | 112 W |
| Turbo Boost | Yes (2) | Yes (2) |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2 | SSE4.1, SSE4.2, AVX2 |
| QPI links | 0 | 0 |
| Memory | ||
| Max memory size | 64 GB | 64 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 2 | 2 |
| Max memory bandwidth | 42 GB/s | 42 GB/s |
| ECC memory supported | No | No |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 16 | 16 |
| PCI Express configurations | Up to 1x16, 2x8, 1x8+2x4 | Up to 1x16, 2x8, 1x8+2x4 |
| Scalability | 1S Only | 1S Only |
| Package and thermal | ||
| Sockets supported | FCLGA2066 | FCLGA2066 |
| Max CPU configuration | 1 | 1 |
| TJUNCTION | 100 °C | 100 °C |
| Thermal solution specification | PCG 2017X | PCG 2017X |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| AES-NI | Yes | Yes |
| Technologies | ||
| Optane Memory Supported | Yes | Yes |