Olympus SP-820UZ vs Sony A7R IV

Let's take a deeper look at the Olympus SP-820UZ vs Sony A7R IV, one is a Small Sensor Superzoom and the other is a Pro Mirrorless by companies Olympus and Sony. There is a crucial difference among the resolutions of the SP-820UZ (14MP) and A7R IV (61MP) and the SP-820UZ (1/2.3") and A7R IV (Full frame) enjoy different sensor measurements.

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The SP-820UZ was introduced 7 years earlier than the A7R IV which is a fairly serious gap as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus SP-820UZ being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before going in to a thorough comparison, below is a concise introduction of how the SP-820UZ matches up against the A7R IV for portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Olympus Stylus SP-820UZ and Sony Alpha A7R IV. The whole galleries are provided at Olympus SP-820UZ Gallery and Sony A7R IV Gallery.

For anyone who is planning to carry around your camera regularly, you will need to take into account its weight and volume. The Olympus SP-820UZ has got outer measurements of 117mm x 78mm x 93mm (4.6" x 3.1" x 3.7") and a weight of 485 grams (1.07 lbs) and the Sony A7R IV has sizing of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Compare the Olympus SP-820UZ vs Sony A7R IV in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at that moment. Below is the front view overall size comparison of the SP-820UZ compared to the A7R IV.

Using size and weight, the portability score of the SP-820UZ and A7R IV is 69 and 62 respectively.

Oftentimes, it's tough to visualize the difference in sensor sizes purely by seeing specifications. The picture underneath may offer you a better sense of the sensor sizing in the SP-820UZ and A7R IV.

Plainly, both the cameras posses different resolutions and different sensor sizes. The SP-820UZ having a smaller sensor is going to make achieving shallow depth of field tougher and the Sony A7R IV will produce extra detail using its extra 47 Megapixels. Greater resolution will also allow you to crop photos somewhat more aggressively. The more aged SP-820UZ will be disadvantaged with regard to sensor tech.