 |  | |
| Editiorial reviews | ||
| User rating |
 Intel Core i5 6400 |  Intel Core i9 9900K | |
|---|---|---|
| Processor socket | LGA 1151 | LGA 1151 |
| Component for | PC | PC |
| Operating modes | 64-bit | 64-bit |
| Intel Core i5 6400 | Intel Core i9 9900K | |
|---|---|---|
| Clock speed | 2.7 GHz | 3.6 GHz |
| Max turbo speed | 3.3 GHz | 5.0 GHz |
| Number of cores | 4 | 8 |
| Number of threads | 4 | 16 |
| Thermal Design Power (TDP) | 65.0 W | 95.0 W |
| Processor lithography | 0.0 in | 0.0 in |
| Bus type | DMI3 | DMI3 |
| Idle states | yes | yes |
| Intel Core i5 6400 | Intel Core i9 9900K | |
|---|---|---|
| On-board graphics adapter | yes | yes |
| Type | Intel HD Graphics 530 | Intel UHD Graphics 630 |
| On-board graphics adapter base frequency | 350.0 MHz | 350.0 MHz |
| On-board graphics adapter DirectX version | 12.0 | 12.0 |
| Intel Core i5 6400 | Intel Core i9 9900K | |
|---|---|---|
| Cache | 6 MB | 16 MB |
| Cache type | Smart Cache | Smart Cache |
| Memory clock speeds supported by processor |
| 2666.0 MHz |
| Maximum internal memory supported by processor | 64.0 GB | 64.0 GB |
| Memory types supported by processor |
| DDR4 SDRAM |
| Memory bandwidth supported by processor (max) | 34.1 GB/s | 41.6 GB/s |
| Memory channels | Dual | Dual |
| Intel Core i5 6400 | Intel Core i9 9900K | |
|---|---|---|
| Cooler included | yes | no |
| Intel Core i5 6400 | Intel Core i9 9900K | |
|---|---|---|
| Thermal monitoring technologies | yes | yes |
| Maximum number of PCI Express lanes | 16 | 16 |
| Supported instruction sets |
|
|
| Execute disable bit | yes | yes |
| Scalability | 1S | 1S |
| Pros | ||
|---|---|---|
| Cons |
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