Olympus SP-820UZ vs Sony A6400

Its time to look closer at the Olympus SP-820UZ and Sony A6400, one is a Small Sensor Superzoom and the latter is a Advanced Mirrorless by companies Olympus and Sony. There is a big difference among the image resolutions of the SP-820UZ (14MP) and A6400 (24MP) and the SP-820UZ (1/2.3") and A6400 (APS-C) possess totally different sensor sizing.

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The SP-820UZ was introduced 7 years prior to the A6400 which is a fairly big gap as far as camera tech is concerned. Both of these cameras come with different body type with the Olympus SP-820UZ being a Compact camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before delving straight into a full comparison, below is a brief view of how the SP-820UZ scores versus the A6400 in the way of portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus Stylus SP-820UZ and Sony Alpha a6400. The whole galleries are available at Olympus SP-820UZ Gallery and Sony A6400 Gallery.

When you are aiming to travel with your camera frequently, you will need to take into account its weight and proportions. The Olympus SP-820UZ features exterior measurements of 117mm x 78mm x 93mm (4.6" x 3.1" x 3.7") accompanied by a weight of 485 grams (1.07 lbs) whilst the Sony A6400 has measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).

See the Olympus SP-820UZ and Sony A6400 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that moment. Below is the front view dimension comparison of the SP-820UZ compared to the A6400.

Taking into consideration size and weight, the portability score of the SP-820UZ and A6400 is 69 and 83 respectively.

Generally, it is very tough to envision the difference in sensor dimensions only by researching technical specs. The pic below may offer you a better sense of the sensor measurements in the SP-820UZ and A6400.

As you have seen, the two cameras have got different resolutions and different sensor dimensions. The SP-820UZ with its smaller sensor will make achieving shallower DOF trickier and the Sony A6400 will provide you with extra detail using its extra 10 Megapixels. Higher resolution will also make it easier to crop photographs much more aggressively. The more aged SP-820UZ will be disadvantaged when it comes to sensor tech.