Ricoh G900 vs Sony A57

The following is a thorough overview of the Ricoh G900 and Sony A57, former is a Waterproof while the other is a Entry-Level DSLR by brands Ricoh and Sony. There exists a substantial gap between the resolutions of the G900 (20MP) and A57 (16MP) and the G900 (1/2.3") and A57 (APS-C) possess totally different sensor sizing.

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The G900 was unveiled 5 years after the A57 which is quite a big difference as far as technology is concerned. Both of the cameras come with different body type with the Ricoh G900 being a Compact camera and the Sony A57 being a Compact SLR camera.

Before diving straight into a complete comparison, below is a simple highlight of how the G900 matches up versus the A57 in relation to portability, imaging, features and an overall mark.

This is a sample of the gallery pictures for Ricoh G900 & Sony SLT-A57. The full galleries are provided at Ricoh G900 Gallery & Sony A57 Gallery.

When you are looking to travel with your camera regularly, you will have to consider its weight and volume. The Ricoh G900 has exterior measurements of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") with a weight of 247 grams (0.54 lbs) and the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") along with a weight of 618 grams (1.36 lbs).

Take a look at the Ricoh G900 and Sony A57 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change based on the lens you have attached at that time. Underneath is the front view sizing comparison of the G900 vs the A57.

Taking into consideration dimensions and weight, the portability score of the G900 and A57 is 89 and 64 respectively.

Sometimes, it is very difficult to envision the gap between sensor dimensions just by going over a spec sheet. The picture underneath will help offer you a more clear sense of the sensor measurements in the G900 and A57.

Clearly, both of these cameras posses different megapixels and different sensor dimensions. The G900 using its tinier sensor will make shooting shallower DOF more challenging and the Ricoh G900 will offer extra detail having an extra 4MP. Greater resolution will allow you to crop photos somewhat more aggressively. The fresher G900 is going to have an advantage in sensor technology.