Lenovo USI Pen 2 vs Viewsonic ACP501 stylus pen

Key differences

The Viewsonic ACP501 stylus pen has 3.5 g more weight than the Lenovo USI Pen 2 (20 g vs 16.5 g). The Viewsonic ACP501 stylus pen has 210 mm more package width than the Lenovo USI Pen 2 (430 mm vs 220 mm). The Viewsonic ACP501 stylus pen has 235 mm more package depth than the Lenovo USI Pen 2 (290 mm vs 55 mm). Device compatibility: Laptop on the Lenovo USI Pen 2, Universal on the Viewsonic ACP501 stylus pen. Brand compatibility: Lenovo on the Lenovo USI Pen 2, Viewsonic on the Viewsonic ACP501 stylus pen.

• Device compatibility
  • USI Pen 2:Laptop
  • ACP501 stylus pen:Universal
• Brand compatibility
  • USI Pen 2:Lenovo
  • ACP501 stylus pen:Viewsonic
• Product colour
  • USI Pen 2:Grey
  • ACP501 stylus pen:Black
• Weight
  • USI Pen 2:16.5 g
  • ACP501 stylus pen:20 g
• Package width
  • USI Pen 2:220 mm
  • ACP501 stylus pen:430 mm
• Package depth
  • USI Pen 2:55 mm
  • ACP501 stylus pen:290 mm
• Package height
  • USI Pen 2:20 mm
  • ACP501 stylus pen:440 mm
• Package weight
  • USI Pen 2:64 g
  • ACP501 stylus pen:720 g