Casio EX-Z400 vs Sony A55

Let's look closer at the Casio EX-Z400 and Sony A55, one being a Ultracompact and the other is a Entry-Level DSLR by companies Casio and Sony. There exists a huge gap among the image resolutions of the EX-Z400 (12MP) and A55 (16MP) and the EX-Z400 (1/2.3") and A55 (APS-C) offer totally different sensor size.

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The EX-Z400 was unveiled 19 months earlier than the A55 making them a generation apart from one another. Each of these cameras feature different body design with the Casio EX-Z400 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before we go into a step-by-step comparison, here is a short summary of how the EX-Z400 grades against the A55 in the way of portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Casio Exilim EX-Z400 and Sony SLT-A55. The full galleries are viewable at Casio EX-Z400 Gallery and Sony A55 Gallery.

When you are planning to carry your camera, you're going to have to factor its weight and dimensions. The Casio EX-Z400 has got exterior dimensions of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") having a weight of 130 grams (0.29 lbs) and the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Examine the Casio EX-Z400 and Sony A55 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that moment. Underneath is a front view scale comparison of the EX-Z400 compared to the A55.

Factoring in dimensions and weight, the portability rating of the EX-Z400 and A55 is 95 and 67 respectively.

More often than not, it is hard to see the gap in sensor sizing only by looking through technical specs. The graphic here should give you a far better sense of the sensor dimensions in the EX-Z400 and A55.

As you can tell, both of those cameras feature different megapixel count and different sensor sizing. The EX-Z400 having a smaller sensor will make shooting shallow depth of field trickier and the Sony A55 will render greater detail having an extra 4 Megapixels. Greater resolution can also enable you to crop photos way more aggressively. The older EX-Z400 will be behind in sensor technology.