Intel® Pentium® Intel Pentium G HP Intel Pentium G640, Intel Pentium G, LGA 1155 (Socket H2), 32 nm, G640, 2,8 GHz, 64-bit HP Intel Pentium G640. Processor family: Intel Pentium G, Processor socket: LGA 1155 (Socket H2), Processor lithography: 32 nm. Memory channels: Dual-channel, Maximum internal memory supported by processor: 32 GB, Memory types supported by processor: DDR3-SDRAM. 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. Market segment: Desktop, Supported instruction sets: SSE4.1, SSE4.2. Processor package size: 37.5 mm