The Pentax Optio 555 is mostly gets compared to other compacts. The Pentax Optio 555's top rivals come from Pentax (such as the Optio 550 and the Optio W20)

compared toCompact competitors

Generally, some of the advantages of the Pentax Optio 555 compared to other compact competitors include: it has higher quality type of viewfinder (tunnel vs none) and slightly longer exposures (15 seconds vs 4 seconds).

However, on average it has a slightly smaller screen (1.5" vs 2.5"), is slightly larger (compact (100×59×40 mm) vs compact (107×55×23 mm)), is older (september 2003 vs august 2006), is thicker (1.6" vs 0.9") and is slightly heavier (250 g vs 150 g).

Pentax Optio 550

Pentax Optio 550
6 months older

Significant advantages of the Optio 550 (vs the Optio 555)

  • Much faster max shutter speed: 1/4000 of a second vs 1/2000 of a second

Significant disadvantages of the Optio 550 (vs the Optio 555)

  • None found

common strengths of the Optio 550 and Optio 555

  • Wide aperture: f/2.8 vs f/2.8
  • Each has a built-in flash
  • Both have tunnel viewfinders: Tunnel vs Tunnel

Pentax Optio W20

Pentax Optio W20
2 years newer

Significant advantages of the W20 (vs the Optio 555)

  • Much larger screen: 2.5" vs 1.5"
  • Significantly smaller: Compact (107×55×23 mm) vs Compact (100×59×40 mm)
  • Much thinner: 0.9" vs 1.6"

Significant disadvantages of the W20 (vs the Optio 555)

  • No viewfinder: None vs Tunnel

common strengths of the W20 and Optio 555

  • Each has a built-in flash