Lenovo ThinkPad X61 Tablet, Intel® Core™2 Duo, 1.6 GHz, 30.7 cm (12.1"), 1024 x 768 pixels, 2 GB, Windows Vista Ultimate Lenovo ThinkPad X61 Tablet. Product type: Hybrid (2-in-1), Form factor: Convertible (Swivel). Processor family: Intel® Core™2 Duo, Processor model: L7500, Processor frequency: 1.6 GHz. Display diagonal: 30.7 cm (12.1"), Display resolution: 1024 x 768 pixels, Touchscreen. Internal memory: 2 GB. Operating system installed: Windows Vista Ultimate. Weight: 1.95 kg