| Processor family | Intel Pentium G |
| Processor model | G640 |
| Processor base frequency | 2.8 GHz |
| Processor cores | 2 |
| Processor socket | LGA 1155 (Socket H2) |
| Processor lithography | 32 nm |
| Component for | PC |
| Processor series | Intel Pentium G600 Series for Desktop |
| Processor threads | 2 |
| System bus rate | 5 GT/s |
| Processor operating modes | 64-bit |
| Processor cache | 3 MB |
| Processor cache type | Smart Cache |
| Thermal Design Power (TDP) | 65 W |
| Stepping | Q0 |
| Bus type | DMI |
| Memory bandwidth supported by processor (max) | 17 GB/s |
| Maximum internal memory supported by processor | 32 GB |
| Memory types supported by processor | DDR3-SDRAM |
| Memory clock speeds supported by processor | 1066 MHz |
| Memory channels | Dual-channel |
| On-board graphics card | Yes |
| On-board graphics card model | Intel® HD Graphics |
| On-board graphics card base frequency | 850 MHz |
| On-board graphics card dynamic frequency (max) | 1100 MHz |
| Number of displays supported (on-board graphics) | 2 |
| Execute Disable Bit | Yes |
| Idle States | Yes |
| Thermal Monitoring Technologies | Yes |
| Market segment | Desktop |
| PCI Express slots version | 2.0 |
| Supported instruction sets | SSE4.1, SSE4.2 |
| Embedded options available | No |
| Intel® Hyper Threading Technology (Intel® HT Technology) | No |
| Intel® Turbo Boost Technology | No |
| Intel® Quick Sync Video Technology | No |
| Intel® InTru™ 3D Technology | No |
| Intel® Wireless Display (Intel® WiDi) | No |
| Intel FDI Technology | Yes |
| Intel® Clear Video HD Technology (Intel® CVT HD) | No |
| Intel® Insider™ | No |
| Intel Fast Memory Access | Yes |
| Intel Flex Memory Access | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | No |
| Enhanced Intel SpeedStep Technology | Yes |
| Intel Trusted Execution Technology | No |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel 64 | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | No |
| Intel® vPro™ Platform Eligibility | No |
| Tcase | 69.1 °C |
| Compatibility | Compaq Elite 8300
Compaq Pro 4300
Pro 3515
Compaq Pro 6300 |