The Pentax Optio S4i is mostly gets compared to compacts. The Pentax Optio S4i's top rivals come from Nikon (such as the Coolpix SQ) and Kodak (such as the EasyShare M750)

compared toCompact competitors

Generally, some of the advantages of the Pentax S4i compared to compact competitors include: it is much smaller (ultra compact (84×52×21 mm) vs compact (83×85×25 mm)), is significantly lighter (120 g vs 216 g) and has a viewfinder (tunnel vs none).

However, on average it has a significantly narrower wide angle lens (35 mm vs 26 mm), has a much smaller screen (1.8" vs 2.4"), takes slightly lower resolution photos (4 MP vs 9.7 MP), slightly lower maximum light sensitivity (400 ISO vs 6,400 ISO) and doesn't have a touch screen.

Nikon Coolpix SQ

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1 year older

Significant advantages of the SQ (vs the S4i)

  • None found

Significant disadvantages of the SQ (vs the S4i)

  • Much larger: Compact (83×85×25 mm) vs Ultra compact (84×52×21 mm)
  • Much smaller screen: 1.5" vs 1.8"
  • Much heavier: 216 g vs 120 g

common strengths of the SQ and S4i

  • Wide aperture: f/2.7 vs f/2.6
  • Very small: Compact (83×85×25 mm) vs Ultra compact (84×52×21 mm)
  • Very thin: 1" vs 0.8"

Kodak EasyShare M750

Kodak EasyShare M750
8 years newer

Significant advantages of the M750 (vs the S4i)

  • Much larger screen: 3" vs 1.8"
  • Much better wide angle: 26 mm vs 35 mm
  • Has a touch screen

Significant disadvantages of the M750 (vs the S4i)

  • Significantly larger: Super compact (99×58×20 mm) vs Ultra compact (84×52×21 mm)
  • No viewfinder: None vs Tunnel
  • Slower max shutter speed: 1/1600 of a second vs 1/2000 of a second

common strengths of the M750 and S4i

  • Very small: Super compact (99×58×20 mm) vs Ultra compact (84×52×21 mm)
  • Very light: 136 g vs 120 g
  • Very thin: 0.8" vs 0.8"

Pentax Optio E60

Pentax Optio E60
4 years newer

Significant advantages of the E60 (vs the S4i)

  • Much larger screen: 2.4" vs 1.8"
  • Significantly better wide angle: 32 mm vs 35 mm
  • Better maximum light sensitivity: 6,400 ISO vs 400 ISO

Significant disadvantages of the E60 (vs the S4i)

  • Much larger: Compact (98×59×25 mm) vs Ultra compact (84×52×21 mm)
  • Significantly heavier: 175 g vs 120 g
  • No viewfinder: None vs Tunnel

common strengths of the E60 and S4i

  • Very small: Compact (98×59×25 mm) vs Ultra compact (84×52×21 mm)
  • Very light: 175 g vs 120 g
  • Very thin: 1" vs 0.8"