| PartNumber | BX80673I77820XS R3L5 | BX80673I97900XS R3L2 | BX80673I77800XS R3L4 |
| Description | CPU - Central Processing Units Boxed Intel Core i7-7820X Processor Extreme Edition (11M Cache, up to 4.30 GHz) FC-LGA14B | CPU - Central Processing Units Boxed Intel Core i7-7900X Processor Extreme Edition (13.75M Cache, up to 4.30 GHz) FC-LGA14B | CPU - Central Processing Units Boxed Intel Core i7-7800X Processor Extreme Edition (8.25M Cache, up to 4.00 GHz) FC-LGA14B |
| Manufacturer | Intel | Intel | Intel |
| Product Category | CPU - Central Processing Units | CPU - Central Processing Units | CPU - Central Processing Units |
| RoHS | Y | Y | Y |
| Product | Desktop Processors | Desktop Processors | Desktop Processors |
| Package / Case | FCLGA-2066 | FCLGA-2066 | FCLGA-2066 |
| Family | Intel Core i7 | Intel Core i9 | Intel Core i7 |
| Core | Intel Core i7 | Intel Core i9 | Intel Core i7 |
| Code Name | Skylake | Skylake | Skylake |
| Processor Series | i7-7820X | i9-7900X | i7-7800X |
| Embedded Options | Non-Embedded | Non-Embedded | Non-Embedded |
| Number of Cores | 8 Core | 10 Core | 6 Core |
| TDP Max | 140 W | 140 W | 140 W |
| Maximum Clock Frequency | 3.6 GHz | 3.3 GHz | 3.5 GHz |
| Data Bus Width | 64 bit | 64 bit | 64 bit |
| Memory Size | 128 GB | 128 GB | 128 GB |
| Memory Type | DDR4-2666 | DDR4-2666 | DDR4-2400 |
| System Bus Type | DMI3 | DMI3 | DMI3 |
| System Bus Speed | 8 GT/s | 8 GT/s | 8 GT/s |
| Cache Memory | 11 MB | 13.75 MB | 8.25 MB |
| Packaging | Bulk | Bulk | Bulk |
| Series | i7-7820X | i9-7900X | i7-7800X |
| Brand | Intel | Intel | Intel |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| CPU Configuration Max | 1 Configuration | 1 Configuration | 1 Configuration |
| ECC Memory Supported | Non-Supported | Non-Supported | Non-Supported |
| Intel Hyper Threading Technology | With HT Technology | With HT Technology | With HT Technology |
| Intel Virtualization Technology VT | With VT | With VT | With VT |
| Lithography Process Technology | 14 nm | 14 nm | 14 nm |
| Number of Memory Channels | 4 Channel | 4 Channel | 4 Channel |
| Number of PCI Express Lanes | 28 Lane | 44 Lane | 28 Lane |
| Number of QPI Links | 0 | 0 | 0 |
| Number of Threads | 16 Thread | 20 Thread | 12 Thread |
| PCIe Configurations | 1 Configuration | - | - |
| PCIe Revision | Revision 3.0 | Revision 3.0 | Revision 3.0 |
| Product Type | CPU - Central Processing Units | CPU - Central Processing Units | CPU - Central Processing Units |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Embedded Processors & Controllers | Embedded Processors & Controllers | Embedded Processors & Controllers |
| Tradename | Core i7 | Core i9 | Core i7 |
| Turbo Frequency Max | 4.3 GHz | 4.3 GHz | 4 GHz |
| Part # Aliases | 959988 | 959986 | 959987 |
| Moisture Sensitive | - | Yes | Yes |